Dell OptiPlex 960 Service Manual
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Also See for OptiPlex 960:
- Technical manualbook (40 pages) ,
- Configuration manual (16 pages) ,
- Setup and features information (10 pages)
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Summary of Contents for Dell OptiPlex 960
- Page 1 Dell™ OptiPlex™ 960 Service Manual Mini Tower Computer Desktop Computer Small Form Factor Computer ...
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Page 2: Replacing The Battery
™ computer and disconnect it from the electrical outlet for a few hours; then reconnect the computer, turn it on, and enter system setup (see the Dell Technology Guide). If the date and time are not correct in system setup, replace the battery. - Page 3 After Working on Your Computer. ™ 8. Enter system setup (see the Dell Technology Guide) and restore the settings you recorded in step 1. 9. Properly dispose of the old battery as described in the safety information that shipped with your computer.
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Page 4: Contacting Dell
3. Click Contact Us on the left side of the page. 4. Select the appropriate service or support link based on your need. 5. Choose the method of contacting Dell that is convenient for you. Back to Contents Page ... -
Page 5: Desktop Computer
Back to Contents Page Desktop Computer Dell™ Optiplex™ 960 Mini Tower/Desktop/Small Form Factor Service Manual Inside View of Your Computer Inside View of Your Computer 1 drive bays (media card reader, floppy drive, optical 2 power supply drive, hard drive(s)) 3 chassis-intrusion switch 4 system board 5 card slots... -
Page 6: Notes, Notices, And Cautions
Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, OptiPlex, Dell OpenManage and the YOURS IS HERE logo are trademarks of Dell Inc.; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation in the U.S. -
Page 7: Installing A Pci Card
CAUTION: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. - Page 8 card release lever, securing tab system board connector card insert card-retention latch 3. If you are installing a card in an empty card connector on the system board, remove the filler bracket to create a card-slot opening at the back of the computer.
- Page 9 PCIe x16 card release lever securing slot (not all cards) securing tab PCIe x16 card connector 6. Place the card in the connector and press down firmly. Using the following illustration as a guide, ensure that the card is fully seated in the slot. card fully seated card not fully seated bracket within slot...
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Page 10: Removing A Pci Card
10. If you installed a sound card: ™ a. Enter system setup, select Audio Controller, and change the setting to Off (see the Dell Technology Guide). b. Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the microphone, speaker/headphone, or line-in connectors on the back or front panel. -
Page 11: Installing A Pci Card In The Riser-Card Cage
10. If you removed a sound card: ™ a. Enter system setup, select Audio Controller, and change the setting to On (see the Dell Technology Guide). b. Connect external audio devices to the audio connectors on the computer back panel. - Page 12 riser-card cage handle 4. If you are installing a new card, remove the filler bracket to create an empty card-slot opening. If you are replacing a card that is already installed in the computer, remove the card. If necessary, disconnect any cables connected to the card. Grasp the card by its corners, and ease it out of its connector.
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Page 13: Removing A Pci Card From The Riser-Card Cage
13. If you installed a sound card, perform the following steps: ™ a. Enter system setup, select Audio Controller, and change the setting to Off (see the Dell Technology Guide). b. Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the microphone, speaker/headphone, or line-in connectors on the back panel. - Page 14 11. If you removed a sound card: ™ a. Enter system setup, select Audio Controller, and change the setting to On (see the Dell Technology Guide). b. Connect external audio devices to the audio connectors on the computer back panel.
- Page 15 Internal Wireless Card - Installation The internal wireless card is an optional device. 1 wireless card assembly 2 wireless card cable to antenna 3 Wi-Fi external antenna connector 4 card retention clasp release 5 card retention clasp To install the card, do the following: ...
- Page 16 6. Grasp the wireless card assembly at the ends, press down the card retention clasp release and lift the card to unplug it from the system board wireless card connector. Remove the wireless card assembly from the chassis. 7. Close the opening for the Wi-Fi external antenna connector with the plug provided for the computer. Contact Dell for a replacement plug if none is available. ...
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Page 17: Removing The Chassis Intrusion Switch
Chassis Intrusion Switch CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Chassis Intrusion Switch 1. Perform the procedure Before Working on Your Computer. - Page 18 4. Save your BIOS settings and exit system setup. Back to Contents Page ...
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Page 19: Removing The Desktop Computer Cover
CAUTION: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover. - Page 20 a. Align the bottom of the cover with the hinge tabs located along the bottom edge of the computer. b. Using the hinge tabs as leverage, rotate the cover downward to close it. c. Snap the cover into place by pulling back on the cover release latch and then releasing the latch when the cover is properly seated. d.
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Page 21: Removing The Heatsink Assembly
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. -
Page 22: Removing The Processor
heatsink assembly captive screw housing (4) 4. If previously cables were routed through the guides on the back of the heatsink assembly, reroute them through the guides. Removing the Processor 1. Perform the procedure Before Working on Your Computer. - Page 23 NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer. NOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket. ...
- Page 24 Remove and Replace the Fan and Shroud Assembly The fan and shroud assembly can be removed and replaced without removing the heatsink. 1. Perform the procedure Before Working on Your Computer. 2. Disconnect the fan cable from the system board (see System Board Components).
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Page 25: Connecting Drive Cables
If you will be operating your computer without an optical drive or a 3.5-inch device (floppy drive or media card reader) installed, the appropriate drive bay insert must be installed in place of the drive. Contact Dell if you need a drive bay insert. -
Page 26: Power Cable Connectors
data interface cable connector data interface connector Power Cable Connectors power cable power input connector Connecting and Disconnecting Drive Cables When removing a cable with a pull-tab, grasp the colored pull-tab and pull until the connector detaches. When connecting and disconnecting a cable without a pull tab, hold the cable by the black connector at each end. ... -
Page 27: Removing An Optical Drive
If you will be operating your computer without an optical drive or a 3.5-inch device (floppy drive or media card reader) installed, the appropriate drive bay insert must be installed in place of the drive. Contact Dell if you need a drive bay insert. See Removing Drive Bay Inserts. -
Page 28: Installing An Optical Drive
7. Perform the procedure After Working on Your Computer. ™ 8. Update your configuration information by setting the appropriate Drive option (0 or 1) under Drives. See the Dell Technology Guide for more information. ™ 9. Verify that your computer works correctly by running the Dell Diagnostics (see the Dell Technology Guide). -
Page 29: Removing A Floppy Drive
If you will be operating your computer without an optical drive or a 3.5-inch device (floppy drive) installed, the appropriate drive bay insert must be installed in place of the drive. Contact Dell if you need a drive bay insert. -
Page 30: Media Card Reader
10. If you are adding a floppy drive to the computer system: ™ a. Boot your computer and press F2 when prompted to enter system Setup (see the Dell Technology Guide). b. On the Settings menu, select Drives, then Diskette Drive. -
Page 31: Removing A Media Card Reader
5. If you are not replacing the media card reader at this time, install the 3.5 inch drive bay insert (see Replacing Drive Bay Inserts). Contact Dell if you need a drive bay insert. Installing a Media Card Reader ... -
Page 32: Hard Drive
Hard Drive The OptiPlex 960 desktop chassis support either one or two 3.5-inch hard drives, or one or two 2.5-inch hard drives. If a single hard drive is installed, it may be a 3.5-inch or 2.5-inch hard drive. When installing a second hard drive, the hard drive being installed must be he same type (3.5-inch or 2.5-inch) as the drive in the chassis. -
Page 33: Removing The Primary Hard Drive
CAUTION: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover. -
Page 34: Replacing The Primary Hard Drive
drive bay caddy 8. If the primary hard drive is a 2.5-inch hard drive, it is mounted on the top (flat side) of a 2.5-inch hard drive caddy in the drive bay caddy. To remove the primary drive: a. - Page 35 3. If installing 2.5-inch hard drives as the primary hard drive: a. Position the new 2.5-inch hard drive into the flat side of the 2.5-inch hard drive caddy with the side of the drive with the label plate facing away from the caddy, and the connector end of the drive toward the end of the caddy with the cable cutout (back end).
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Page 36: Removing The Secondary Hard Drive
Removing the Secondary Hard Drive In the OptiPlex 960 desktop chassis, a secondary 3.5-inch hard drive is installed in the floppy drive/media card reader bay. A secondary 2.5-inch hard drive is installed with the primary 2.5-inch hard drive in the drive bay. - Page 37 3. Remove the optical drive, if installed (see Removing an Optical Drive). 4. If the secondary drive is a 3.5-inch hard drive: a. Lift the drive-release latch and slide the drive toward the front of the computer. Then, lift it out of the chassis. ...
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Page 38: Installing A Secondary Hard Drive
1 2.5-inch hard drive and 2.5-inch hard drive caddy 2 release tabs (2) 3 drive bay caddy e. The secondary 2.5-inch hard drive is mounted on the U-shaped side of the 2.5-inch hard drive caddy. Disconnect the power cable y-adapter from the secondary hard drive. - Page 39 d. Connect the SATA data cable to the hard drive and to the SATA1 connector on the system board (see System Board Components). e. Lower the hard drive into the floppy drive/media card reader bay. Slide the drive toward the back of the chassis until it locks into place. ...
- Page 40 1 2.5-inch hard drive caddy, U-shaped 2 2.5-inch hard drive, connector side up 3 cable cutout 4 screws (4) e. Secure the drive to the drive caddy with four screws, two on each side. f. Attach the power cable y-adapter to the hard drives installed in the caddy. power cable adapter g.
- Page 41 11. Perform the following: a. Turn on the computer. ™ b. When the computer boots, press F2 to enter system Setup (see the Dell Technology Guide for more information). c. In the Settings menu, select Drives, and select Drives in the sub- menu.
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Page 42: Removing The I/O Assembly
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover. - Page 43 I/O assembly securing tab I/O assembly cables/connectors Replacing the I/O Assembly To replace the I/O assembly, do the following: 1. Perform the procedure Before Working on Your Computer. NOTE: Use the guides on the I/O assembly bracket to help position the I/O assembly in place, and use the notch on the I/O assembly bracket to help seat the panel.
- Page 44 I/O assembly I/O assembly cables, connectors (2) securing tab 4. Push the I/O connector block into the I/O assembly opening until it snaps into place. 5. Plug the I/O assembly cable connectors into their system board connectors (see System Board Components).
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Page 45: Replacing The Power Supply
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. -
Page 46: Dc Power Connector P1
11. Replace the optical drive (see Optical Drive). 12. Connect the AC power cable to the connector. 13. Perform the procedure After Working on Your Computer. DC Power Connectors DC Power Connector P1 Pin Number Signal name 18-AWG Wire... -
Page 47: Dc Power Connector P2
+5 VDC Black *Use 22-AWG wire instead of 18-AWG wire. DC Power Connector P2 Pin Number Signal Name 18-AWG Wire Black Black +12 VDC Yellow +12 VDC Yellow DC Power Connector P4 Pin Number Signal Name 22-AWG Wire... -
Page 48: Internal Speaker
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. - Page 49 1. Perform the procedure Before Working on Your Computer. 2. Disconnect the speaker cable from the system board. 3. To remove the internal speaker, press the locking tab, shift the speaker to move the speaker housing retention tabs out of the grill retention tabs, and lift the speaker from the chassis.
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Page 50: System Board Components
Back to Contents Page Dell™ Optiplex™ 960 Mini Tower/Desktop/Small Form Factor Service Manual System Board Components System Board Components fan connector (FAN_CPU) processor connector (CPU) processor power connector memory module connectors (12VPOWER) (DIMM_1, DIMM_2, DIMM_3, DIMM_4) SATA drive connectors (3) password jumper (PSWD) internal USB connector (FLEX_USB) Service Mode jumper... -
Page 51: Ddr2 Memory Overview
If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module. -
Page 52: Installing Memory
CAUTION: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To avoid electrostatic discharge and damage to internal components, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface on the computer chassis. -
Page 53: Removing Memory
CAUTION: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To avoid electrostatic discharge and damage to internal components, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface on the computer chassis. -
Page 54: Notes, Notices, And Cautions
Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, OptiPlex, Dell OpenManage and the YOURS IS HERE logo are trademarks of Dell Inc.; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation in the U.S. - Page 55 CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
- Page 56 card retention latch alignment guide card release lever, securing tab card connector release tab 3. If you are installing a new card, remove the filler bracket to create a card- slot opening. Then continue with step 5. 4. If you are replacing a card that is already installed in the computer, remove the card. If necessary, disconnect any cables connected to the card. ...
- Page 57 13. If you installed a sound card: a. Enter system setup, select Audio Controller, and change the setting to Off (see the Dell™ Technology Guide for more information on system setup). b. Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the microphone, speaker/headphone, or line-in connectors on the back panel of the computer.
- Page 58 7. If you removed a sound card: a. Enter system setup, select Audio Controller, and change the setting to On. (See the Dell™ Technology Guide for more information). b. Connect external audio devices to the audio connectors on the back panel of the computer.
- Page 59 5. Grasp the wireless card assembly at the ends, press down the card retention clasp release and lift the card to unplug it from the system board wireless card connector. Remove the wireless card assembly from the chassis. 6. Close the opening for the Wi-Fi external antenna connector with the plug provided for the computer. Contact Dell for a replacement plug if none is available. ...
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Page 60: Removing The Chassis Intrusion Switch
Chassis Intrusion Switch CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Chassis Intrusion Switch 1. Perform the procedure Before Working on Your Computer. - Page 61 4. Save your BIOS settings and exit system setup. Back to Contents Page ...
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Page 62: Removing The Mini Tower Computer Cover
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover. - Page 63 Gently pull the power cables toward you so that they do not get caught underneath the drives. 2. Ensure that no tools or extra parts are left inside the computer. 3. To replace the cover: a. Align the bottom of the cover with the hinge tabs located along the bottom edge of the computer. b.
- Page 64 CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
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Page 65: Removing The Processor
heatsink assembly heat-sink assembly bracket captive screw (2) 4. Reroute cables removed earlier through the cable guides on the heatsink assembly. Reconnect them as needed. Removing the Processor 1. Perform the procedure Before Working on Your Computer. -
Page 66: Installing The Processor
Installing the Processor NOTICE: Ground yourself by touching an unpainted metal surface on the back of the computer. NOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket. ... -
Page 67: Replacing The Fan Assembly
3. Disconnect the fan cable from the system board (see System Board Components). 4. Lift (press up) the fan retention tab on the lower side of the fan assembly (toward the bottom of the computer) while pulling back (away from the chassis) the tab on the upper side of the fan assembly, and simultaneously sliding the assembly toward the back of the chassis to release it from the chassis. -
Page 68: Connecting Drive Cables
NOTE: If you are removing or adding a device that affects the hardware or RAID configuration of the system, BIOS settings may need to be changed. Refer to the Dell™ Technology Guide for more information. Your computer supports: Up to Two 3.5-inch or up two 2.5-inch SATA (Serial ATA) hard drives One 3.5-inch floppy drive or media card reader... -
Page 69: Hard Drive
Hard Drive The OptiPlex 960 mini-tower chassis support either one or two 3.5-inch hard drives, or one or two 2.5-inch hard drives. If a single hard drive is installed, it may be a 3.5-inch or 2.5-inch hard drive. When installing a second hard drive, the hard drive being installed must be he same type (3.5-inch or 2.5-inch) as the drive in the chassis. - Page 70 The drive to be removed may be a 3.5-inch hard drive installed in the upper drive bay or lower drive bay, or 2.5-inch hard drive in the upper bay, and may be a primary drive or secondary drive. The upper drive bay always contains the primary hard drive, and, if a drive is installed in the lower drive bay, it is always configured as a secondary hard drive. When two 2.5-inch hard drives are installed in the system (as primary and secondary drives), both are mounted on the same 2.5-inch hard drive caddy and it is installed in the upper drive bay.
- Page 71 Install the 2.5-inch hard drive caddy into the drive bay caddy, and place it in the upper drive bay. c. Replace the computer cover. d. Reconnect your computer to power and other I/O devices as needed. ™ e. Boot your computer and press F2 when prompted to enter system Setup (see the Dell Technology Guide).
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Page 72: Replacing A Hard Drive
CAUTION: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover. - Page 73 1 2.5-inch hard drive caddy (flat 2 2.5-inch hard drive (primary drive side up) shown) 3 end of caddy with cable cutout 4 screws (4) 1 2.5-inch hard drive caddy (U- 2 2.5-inch hard drive (secondary shaped side up) drive shown) 3 end of caddy with cable cutout 4 screws (4) b.
- Page 74 Computer. 12. Reboot the computer and press F2 when prompted to enter system Setup (see the Dell™ Technology Guide for more information). a. In the Settings menu, select Drives, and select Drives on the sub- menu. b. Enable the SATA port for the drive installed, if necessary.
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Page 75: Floppy Drive
Refer to documentation for your operating system for instructions. ™ 15. Test the hard drive by running the Dell Diagnostics (see the Dell Technology Guide). 16. If the drive you just installed is the primary drive, install a bootable operating system onto the drive, if necessary. -
Page 76: Removing The Floppy Drive
1. If the floppy drive you are removing will not be replaced: ™ a. Boot your computer and press F2 when prompted to enter system Setup (see the Dell Technology Guide). b. On the Settings menu, select Drives, then Diskette Drive. - Page 77 8. If you are adding a floppy drive to the computer system: ™ a. Boot your computer and press F2 when prompted to enter system Setup (see the Dell Technology Guide). b. On the Settings menu, select Drives, then Diskette Drive.
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Page 78: Removing The Media Card Reader
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover. -
Page 79: Optical Drive
7. Perform the procedure After Working on Your Computer). ™ 8. Verify that your computer works correctly by running the Dell Diagnostics (see the Dell Technology Guide). Optical Drive CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. -
Page 80: Removing An Optical Drive
Removing an Optical Drive 1. Perform the procedure Before Working on Your Computer. 2. Disconnect the power and data cables from the back of the drive. 3. Remove the drive bezel (see Remove the Drive Bezel). 4. - Page 81 After Working on Your Computer. ™ 10. Update your configuration information in system setup by setting the appropriate Drive option (SATA-1, SATA-2, or SATA-3) under Drives. (See the Dell Technology Guide.) ™ 11. Verify that your computer works correctly by running the Dell Diagnostics (see the Dell Technology Guide).
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Page 82: Removing The I/O Assembly
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover. - Page 83 I/O assembly securing screw I/O assembly cable connectors Replacing the I/O Assembly 1. Perform the procedure Before Working on Your Computer. 2. Remove the drive bezel, if installed (see Remove the Drive Bezel). 3. Remove the bezel, if installed (see Remove the Bezel).
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Page 84: Replace The Bezel
10. Replace the optical drive, if removed earlier (see Replacing or Installing an Optical Drive). 11. Replace the drive bay caddy. 12. Replace the drive bezel (see Replace the Drive Bezel). 13. Perform the procedure After Working on Your Computer. -
Page 86: Replacing The Power Supply
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. -
Page 87: Dc Power Connector P1
DC Power Connectors DC Power Connector P1 Pin Number Signal name 18-AWG Wire +3.3 VDC Orange +3.3 VDC Orange Black +5 VDC Black +5 VDC Black PS_PWRGOOD Gray P5AUX Purple V_12P0_DIG White V_12P0_DIG White +3.3 VDC Orange +3.3VDC/SE* Orange... -
Page 88: Dc Power Connector P2
DC Power Connector P2 Pin Number Signal Name 18-AWG Wire Black Black +12 VADC Yellow +12 VADC Yellow DC Power Connectors P3, P5, P8, and P9 Pin Number Signal name 18-AWG Wire +3.3 VDC Orange Black +5 VDC... -
Page 89: Internal Speaker
CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. - Page 90 1. Perform the procedure Before Working on Your Computer. 2. Disconnect the cable from the INT SPKR1 connector on the system board (see System Board Components). 3. To remove the internal speaker, press the locking tab, shift the speaker to move the speaker housing retention tabs out of the retention tabs on the grill, and lift the speaker from the chassis.
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Page 91: System Board Components
Back to Contents Page Dell™ Optiplex™ 960 Mini Tower/Desktop/Small Form Factor Service Manual System Board Components System Board Components connector for optional wireless card (PCIE_WLS1) thermal sensor connector (THRML1) connector for optional internal speaker (INT_SPKR1) 4 fan connector (FAN_CPU1) processor connector (CPU) processor power connector (12VPOWER) auxiliary power LED (AUX_POWER) - Page 92 CAUTION: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
- Page 93 11. If you installed a sound card: ™ a. Enter system setup, select Integrated Audio from the Onboard Devices group, and change the setting to Off (see the Dell Technology Guide). b. Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the line-in connector on the back panel of the computer.
- Page 94 10. If you removed a sound card: ™ a. Enter system setup, select Integrated Audio from the Onboard Devices group, and change the setting to On (see the Dell Technology Guide). b. Connect external audio devices to the audio connectors on the back panel of the computer.
- Page 95 11. If you removed a network-adapter card connector: ™ a. Enter system setup, select Integrated NIC from the Onboard Devices group, and change the setting to On (see the Dell Technology Guide). b. Connect the network cable to the integrated network connector on the back panel of the computer.
- Page 96 11. If you installed a sound card: ™ a. Enter system setup, select Integrated Audio from the Onboard Devices group, and change the setting to Off (see the Dell Technology Guide). b. Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the line-in connector on the back panel of the computer.
- Page 97 10. If you removed a sound card: ™ a. Enter system setup, select Integrated Audio from the Onboard Devices group, and change the setting to On (see the Dell Technology Guide). b. Connect external audio devices to the audio connectors on the back panel of the computer.
- Page 98 1 wireless card assembly 2 wireless card cable to antenna 3 Wi-Fi external antenna connector 4 card retention clasp release 5 card retention clasp To install the card, do the following: 1. Perform the procedure Before Working on Your Computer.
- Page 99 5. Grasp the wireless card assembly at the ends, press down the card retention clasp release and lift the card to unplug it from the system board wireless card connector. Remove the wireless card assembly from the chassis. 6. Close the opening for the Wi-Fi external antenna connector with the plug provided for the computer. Contact Dell for a replacement plug if none is available. ...
- Page 100 Chassis Intrusion Switch CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Chassis Intrusion Switch 1. Perform the procedure Before Working on Your Computer.
- Page 101 the setting, move to the Apply button and press Enter. NOTE: The default setting is On-Silent. 4. Save your BIOS settings and exit system setup. Back to Contents Page ...
- Page 102 CAUTION: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.
- Page 103 a. Align the bottom of the cover with the hinge tabs located along the bottom edge of the computer. b. Using the hinge tabs as leverage, rotate the cover downward to close it. c. Snap the cover into place by pulling back on the cover release latch and then releasing the latch when the cover is properly seated. d.
- Page 104 CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
- Page 105 center cover latch processor cover processor socket release lever NOTICE: When replacing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket. 9.
- Page 106 processor cover processor processor socket center cover latch release lever front alignment-notch socket and processor pin-1 indicator rear alignment-notch NOTICE: To avoid damage, ensure that the processor aligns properly with the socket, and do not use excessive force when you install the processor.
- Page 107 heatsink assembly captive screw in housing (4) fan cable connectors (2) 12. If the system contained a wireless card that was removed in a previous step, replace the card (see Internal Wireless Card - Installation). 13. Reroute cables through guides on the fan shroud. ...
- Page 108 fan and shroud assembly fan shroud screws (4) fan cable connectors (2) 9. Position the new fan and shroud assembly onto the heatsink, aligning the screw holes in the shroud with the holes in the heatsink. 10.
- Page 109 NOTE: If you are removing or adding a device that affects the hardware or RAID configuration of the system, BIOS settings may need to be changed. Refer to the Dell™ Technology Guide for more information. Your computer supports: One 3.5-inch SATA (serial ATA) hard drive or two 2.5-inch SATA hard drives One slimline media card reader or one slimline floppy drive...
- Page 110 data interface cable connector SATA interface connector Power Cable Connectors power cable power input connector Connecting and Disconnecting Drive Cables When removing an cable with a pull-tab, grasp the colored pull-tab and pull until the connector detaches. When connecting and disconnecting a SATA data cable, hold the cable by the black connector at each end. ...
- Page 111 CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.
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Page 112: Removing The Hard Drive
power cable SATA data cable Removing the Hard Drive 1. If you are removing a hard drive that contains data you want to keep, back up your files before you begin this procedure. 2. Perform the procedure Before Working on Your Computer. - Page 113 1 2.5-inch hard drive mounted as the primary 2 2.5-inch hard drive drive caddy 1 2.5-inch hard drive mounted as the secondary 2 2.5-inch hard drive drive caddy c. If the primary 2.5-inch hard drive was removed, and will be replaced by the secondary hard drive installed on the caddy, remove the secondary drive and install it on the mount it on the flat side of the 2.5-inch hard drive caddy.
- Page 114 2.5" hard drive with caddy hard drive shroud pins (2 on each side) release tabs (2) b. Install the hard drive and shroud assembly in the chassis (see Replacing the Hard Drive and Shroud Assembly). 3. If you are installing a 2.5-inch drive: a.
- Page 115 Turn on the computer. ™ b. When the computer boots, press F2 when prompted to enter system Setup (see the Dell Technology Guide for more information). c. In the Settings menu, select Drives, and select Drives in the sub- menu.
- Page 116 CAUTION: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.
- Page 117 drive release latch optical drive 5. If the optical drive is not being replaced after removal: a. Remove the hard drive and shroud assembly (see Removing the Hard Drive and Shroud Assembly). a. Disconnect the SATA cable from the system board and remove the cable from the chassis. b.
- Page 118 1. If the floppy drive you are removing will not be replaced: ™ a. Boot your computer and press F2 when prompted to enter system Setup (see the Dell Technology Guide). b. On the Settings menu, select Drives, then Diskette Drive.
- Page 119 drive release tab floppy drive 6. Push down the drive release latch and slide the floppy drive towards the back of the computer. Then lift it out of the chassis. 7. If the drive is not being replaced with any device: a.
- Page 120 10. If you are adding a floppy drive to the computer system: ™ a. Boot your computer and press F2 when prompted to enter system Setup (see the Dell Technology Guide). b. On the Settings menu, select Drives, then Diskette Drive.
- Page 121 CAUTION: Before you begin any of the procedures in this section, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.
- Page 122 e. Remove the three shoulder screws from the inside of the drive bay insert, and install them onto the media card reader. f. Remove the hard drive and shroud assembly (see Removing the Hard Drive and Shroud Assembly). 3. Align the screws on the media card reader with the bracket slots in the computer, and gently move the drive forward until it clicks into place. media card reader screws (3) bracket rails (3)
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Page 123: Remove The Bezel
™ 11. Verify that your computer works correctly by running the Dell Diagnostics (see the Dell Technology Guide). Remove the Bezel Lift the three front cover retention tabs to release the top edge of the cover. Roll the cover down and lift it away from the chassis. - Page 124 CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.
- Page 125 To replace the I/O assembly, do the following: 1. Remove the computer cover, if installed (see System Board Components). NOTE: Use the guides on the I/O assembly bracket to help position the I/O assembly in place, and use the notch on the I/O assembly bracket to help seat the panel.
- Page 126 CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
- Page 127 14. Reconnect the DC power cables to the system board and drives (see System Board Components and `Drives). 15. Replace the floppy drive or media card reader (see Installing a Floppy Drive). 16. Replace the optical drive (see Installing an Optical Drive).
- Page 128 +3.3 V Orange +3.3V Orange (optional) -12 V* Blue Black PWR_PS_ON Green Black Black Black VCC (+5V) VCC (+5V) VCC (+5V) Black *Use 22-AWG wire instead of 18-AWG wire. DC Power Connector P2 Pin Number Signal Name 18-AWG Wire Black Black...
- Page 129 2, 3 +5VDC 5, 6 Black Back to Contents Page ...
- Page 130 CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components.
- Page 131 1. Perform the procedure Before Working on Your Computer. 2. Disconnect the speaker cable from the system board. 3. To remove the internal speaker, press the locking tab, shift the speaker to move the speaker housing retention tabs away from the grill retention tabs, and lift the speaker from the chassis.
- Page 132 Back to Contents Page Dell™ Optiplex™ 960 Mini Tower/Desktop/Small Form Factor Service Manual System Board Components System Board Components heatsink front fan connector processor connector (CPU) (FAN_CPU) processor power connector memory module connectors (12VPOWER) (DIMM_1, DIMM_2, DIMM_3, DIMM_4) password jumper pins (PSWD) SATA drive connectors (3) internal (FlexBay) USB...
- Page 133 Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, OptiPlex, Dell OpenManage and the YOURS IS HERE logo are trademarks of Dell Inc.; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation in the U.S.
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Page 134: Small Form Factor Computer
Back to Contents Page Small Form Factor Computer Dell™ Optiplex™ 960 Mini Tower/Desktop/Small Form Factor Service Manual Inside View of Your Computer Inside View of Your Computer drive-release latch optical drive power supply assembly intrusion switch hard drive and shroud assembly system board (inside) heatsink assembly ... -
Page 135: Mini Tower System Board Screws
Back to Contents Page System Board Dell™ Optiplex™ 960 Mini Tower/Desktop/Small Form Factor Service Manual Removing the System Board: Mini Tower, Desktop, and Small Form Factor Computers Replacing the System Board: Mini Tower, Desktop, and Small Form Factor Computers Removing the System Board: Mini Tower, Desktop, and Small Form Factor Computers ... -
Page 136: Small Form Factor System Board Screws
desktop system board screws (11 — 7 for system board, 4 for heatsink) Small Form Factor System Board Screws 1 small form factor system board 2 screws (8 — 4 for system board, 4 for heatsink) Place the system board assembly that you just removed next to the replacement system board to ensure it is identical. Replacing the System Board: Mini Tower, Desktop, and Small Form Factor Computers ... -
Page 137: Mini Tower Computer
Back to Contents Page Mini Tower Computer Dell™ Optiplex™ 960 Mini Tower/Desktop/Small Form Factor Service Manual Inside View of Your Computer Inside View of Your Computer 1 optical drive 2 flex bay device (for optional floppy disk drive, media card reader, etc.) 3 power 4 chassis-intrusion switch... - Page 138 Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, OptiPlex, Dell OpenManage and the YOURS IS HERE logo are trademarks of Dell Inc.; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation in the U.S.
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Page 139: Troubleshooting Tips
CAUTION: Always unplug your computer from the electrical outlet before opening the cover. NOTE: For detailed troubleshooting information, including responding to system messages, see your Service Manual on support.dell.com. Using the Hardware Troubleshooter 1. Click the Windows Vista Start button , and click Help and Support. - Page 140 4. If the LED still does not illuminate, the problem is probably with the power supply. Contact Dell (see Contacting Dell). No CPU detected. Reinstall the CPU and restart the system. If the computer still fails to boot, inspect the CPU socket for damage.
- Page 141 3. Repeat this process for each expansion card installed. If the computer starts normally, troubleshoot the last card removed from the computer for resource conflicts. 4. If the problem persists, contact Dell (see Contacting Dell). Steady Blue Another failure has occurred.
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Page 142: Memory Problems
Lockups and Software Problems NOTE: The procedures in this document were written for the Windows default view, so they may not apply if you set your Dell computer to the Windows Classic view. The computer does not start up Ensure that the power cable is firmly connected to the computer and to the electrical outlet ... -
Page 143: Dell Technical Update Service
If necessary, uninstall and then reinstall the program. Dell Technical Update Service The Dell Technical Update service provides proactive e-mail notification of software and hardware updates for your computer. To enroll for the Dell Technical Update service, go to support.dell.com/technicalupdate. ... - Page 144 5. Type 1 to start the CD menu and press <Enter> to proceed. 6. Select Run the 32 Bit Dell Diagnostics from the numbered list. If multiple versions are listed, select the version that is appropriate for your computer. ...
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Page 145: Recommended Tools
Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. -
Page 146: Turning Off Your Computer
components. Turning Off Your Computer NOTICE: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1. Shut down the operating system. 2. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off.