Related Manuals for Dell Inspiron 5721
Summary of Contents for Dell Inspiron 5721
- Page 1 Inspiron 17/17R Owner’s Manual Computer model: Inspiron 3721/5721 Regulatory model: P17E Regulatory type: P17E001...
- Page 2 , and the Windows start button logo are either trademarks or registered ® trademarks of Microsoft Corporation in the United States and/or other countries; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license. 2012 - 12 Rev. A00...
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Page 3: Table Of Contents
Contents Before You Begin ......Turn Off Your Computer and Connected Devices ..Safety Instructions . - Page 4 Replacing the Base Cover ....Procedure ......Postrequisites .
- Page 5 Removing the Wireless Mini-Card ... . Prerequisites ......Procedure .
- Page 6 Replacing the Cooling Assembly ... . . Procedure ......Postrequisites .
- Page 7 Removing the Display Hinges ....Prerequisites ......Procedure .
- Page 8 Contents...
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Page 9: Before You Begin
Before You Begin Turn Off Your Computer and Connected Devices CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. Save and close all open files and exit all open programs. Shut down your computer. -
Page 10: Safety Instructions
For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting to the power source. -
Page 11: After Working Inside Your Computer
After Working Inside Your Computer After you complete the replacement procedures, ensure the following: • Replace all screws and ensure that no stray screws remain inside your computer. • Connect any external devices, cables, cards, and any other part(s) you removed before working on your computer. -
Page 12: Removing The Battery
"Before You Begin" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Close the display and turn the computer over. -
Page 13: Replacing The Battery
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the tabs on the battery with the slots on the battery bay and snap the battery into place. -
Page 14: Removing The Optical Drive
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. - Page 15 Remove the screw that secures the optical-drive bracket to the optical-drive assembly and remove the optical-drive bracket. Carefully pull the optical-drive bezel and remove it from the optical drive. optical-drive bezel optical drive optical-drive bracket screw Removing the Optical Drive...
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Page 16: Replacing The Optical Drive
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the tabs on the optical-drive bezel with the slots on the optical drive and snap the optical-drive bezel into place. -
Page 17: Removing The Keyboard
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. - Page 18 Turn the keyboard over and place it on the palm-rest. Lift the connector latch and disconnect the keyboard cable from the keyboard-cable connector. Lift the keyboard off the palm-rest. keyboard cable connector latch keyboard palm-rest Removing the Keyboard...
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Page 19: Replacing The Keyboard
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Slide the keyboard cable into the keyboard-cable connector and press down on the connector latch to secure the cable. -
Page 20: Removing The Base Cover
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 21: Replacing The Base Cover
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Slide the tabs on the base cover into the slots on the computer base and snap the base cover into place. -
Page 22: Removing The Memory Module(S)
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 23: Replacing The Memory Module(S)
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the notch on the memory module with the tab on the memory-module connector. -
Page 24: Removing The Hard Drive
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in Sleep or On state. -
Page 25: Procedure
Procedure Remove the screws that secure the hard-drive assembly to the computer base. Using the pull tab, slide the hard-drive assembly towards the side of the computer to disconnect the hard-drive assembly from the system board. Using the pull tab, lift the hard-drive assembly off the computer base. pull-tab hard-drive assembly screws (3) - Page 26 Remove the screws that secure the hard-drive bracket to the hard drive. Using the pull-tab, lift the hard-drive bracket off the hard drive. screws (4) hard-drive bracket hard drive Removing the Hard Drive...
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Page 27: Replacing The Hard Drive
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. CAUTION: Hard drives are extremely fragile. Exercise care when handling the hard drive. -
Page 28: Removing The Coin-Cell Battery
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS settings to default. -
Page 29: Replacing The Coin-Cell Battery
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. WARNING: The battery may explode if installed incorrectly. Replace the battery only with the same or equivalent type. -
Page 30: Removing The Palm-Rest
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. - Page 31 Turn the computer over and open the display as far as possible. Lift the connector latches and, using the pull-tabs, disconnect the power-button cable and touchpad cable from the system board. power-button cable connector latches (2) pull-tab touchpad cable Removing the Palm-Rest...
- Page 32 Remove the screws that secure the palm-rest to the computer base. Using a plastic scribe, gently lift and release the tabs on the palm-rest from the slots on the computer base. CAUTION: Separate the palm-rest from the display assembly carefully to avoid damage to the display assembly.
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Page 33: Replacing The Palm-Rest
"Before You Begin" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the palm-rest to the computer base. -
Page 34: Removing The Wireless Mini-Card
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. - Page 35 Slide and remove the wireless mini-card out of the mini-card connector. wireless mini-card mini-card connector Removing the Wireless Mini-Card...
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Page 36: Replacing The Wireless Mini-Card
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless mini-card, ensure that no cables are placed under the wireless mini-card. -
Page 37: Removing The I/O Board
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 38: Replacing The I/O Board
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Use the alignment posts on the computer base to place the I/O board in position. -
Page 39: Removing The System Board
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in system setup after you replace the system board. -
Page 40: Procedure
Procedure Disconnect the power-adapter-port cable and the speaker cable from the system board. Peel the mylar sleeve from the system board. power-adapter-port cable speaker cable mylar sleeve Removing the System Board... - Page 41 Peel the tape that secures the display cable to the system board and disconnect the display cable from the system board. Lift the connector latch and, using the pull-tab, disconnect the I/O-board cable from the system board. Display cable tape I/O-board cable pull-tab connector latch...
- Page 42 Remove the screws that secure the system board to the computer base. Lift the system board at an angle and release the system-board ports from the slots on the computer base. Lift the system-board assembly off the computer base. Remove the hard-drive interposer board. See "Removing the Hard-Drive Interposer Board"...
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Page 43: Replacing The System Board
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the system setup after you replace the system board. -
Page 44: Postrequisites
Postrequisites Replace the wireless Mini-Card. See "Replacing the Wireless Mini-Card" on page 36. Replace the palm-rest. See "Replacing the Palm-Rest" on page 33. Replace the keyboard. See "Replacing the Keyboard" on page 19. Follow the instructions from step 3 to step 5 in "Replacing the Hard Drive" on page 27. -
Page 45: Removing The Fan
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 46: Procedure
Procedure Disconnect the fan cable from the system board. Remove the screw that secures the fan to the system board. Lift the fan along with the cable, off the computer base. fan cable screw Removing the Fan... -
Page 47: Replacing The Fan
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Place the fan on the computer base and replace the screw that secures the fan to the computer base. -
Page 48: Removing The Cooling Assembly
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 49: Procedure
Procedure In sequential order (indicated on the heat-sink), remove the screws that secure the cooling assembly to the system board. Lift the cooling assembly off the system board. cooling assembly screws (6) Removing the Cooling Assembly... -
Page 50: Replacing The Cooling Assembly
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Clean the grease from the bottom of the cooling assembly and reapply it. -
Page 51: Removing The Hard-Drive Interposer Board
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 52: Procedure
Procedure Remove the screws that secure the hard-drive interposer board to the system board. Disconnect the hard-drive interposer board from the system board. screws (2) hard-drive interposer board Removing the Hard-Drive Interposer Board... -
Page 53: Replacing The Hard-Drive Interposer Board
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Connect the hard-drive interposer board to the system board. -
Page 54: Removing The Speakers
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 55: Procedure
Procedure Remove the screws that secure the speakers to the computer base. Note the speaker-cable routing and remove the cable from its routing guides. Lift the speakers, along with the speaker cable, off the computer base. screws (4) speaker cable speakers (2) Removing the Speakers... -
Page 56: Replacing The Speakers
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Using the alignment posts on the computer base, place the speakers in position. -
Page 57: Removing The Display Assembly
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 58: Procedure
Procedure Note the antenna cable routing and remove the cable from its routing guides. Remove the screws that secure the display assembly to the computer base. Lift the display assembly off the computer base. display assembly screws (9) routing guides Removing the Display Assembly... -
Page 59: Replacing The Display Assembly
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Place the display assembly on the computer base and align the screw holes on the display assembly with the screw holes on the computer base. -
Page 60: Removing The Display Bezel
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 61: Procedure
Procedure Using your fingertips, carefully pry up the inside edge of the display bezel. Remove the display bezel off the display back-cover. display bezel Removing the Display Bezel... -
Page 62: Replacing The Display Bezel
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the display bezel with the display back-cover, and gently snap the display bezel into place. -
Page 63: Removing The Display Hinges
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 64: Procedure
Procedure Remove the screws that secure the display hinges to the display back-cover. Lift the display hinges off the display back-cover. screws (2) display hinges (2) display back-cover Removing the Display Hinges... -
Page 65: Replacing The Display Hinges
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Align the screw holes on the display hinges with the screw holes on the display back-cover. -
Page 66: Removing The Display Panel
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 67: Procedure
Procedure Remove the screws that secure the display panel to the display back-cover. Gently lift the display panel and turn it over. display back-cover display panel screws (12) Removing the Display Panel... - Page 68 Peel the tape adhered over the display cable. Disconnect the display cable from the display-panel cable connector. tape display cable Removing the Display Panel...
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Page 69: Replacing The Display Panel
"Before You Begin" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Connect the display cable to the display-panel connector. -
Page 70: Removing The Camera Module
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 71: Procedure
Procedure Disconnect the camera cable from the camera module. Remove the screw that secures the camera module to the display back-cover. Lift camera module off the display back-cover. screw camera module camera cable Removing the Camera Module... -
Page 72: Replacing The Camera Module
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Use the alignment posts on the display back-cover to place the camera module in position. -
Page 73: Removing The Power-Adapter Port
After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Prerequisites Remove the battery. See "Removing the Battery" on page 12. -
Page 74: Procedure
Procedure Note the routing of the power-adapter-port cable and remove the power-adapter-port cable from the routing guides on the computer base. Lift the power-adapter port, along with its cable, off the computer base. power-adapter port cable routing guides power-adapter port Removing the Power-Adapter Port... -
Page 75: Replacing The Power-Adapter Port
"Before You Begin" on page 9. After working inside your computer, follow the instructions in "After Working Inside Your Computer" on page 11. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Procedure Slide the power-adapter port into position. -
Page 76: Flashing The Bios
The BIOS may require flashing when an update is available or when replacing the system board. To flash the BIOS: Turn on the computer. Go to dell.com/support. Click Start Here under Support for Home Users. If you have your computer's Service Tag, type your computer's Service Tag and click Submit.