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Dell Precision 7820 Tower
Owner's Manual
Regulatory Model: D02T
Regulatory Type: D02T001

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Summary of Contents for Dell Precision 7820

  • Page 1 Dell Precision 7820 Tower Owner's Manual Regulatory Model: D02T Regulatory Type: D02T001...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2017 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
  • Page 3: Table Of Contents

    Contents 1 Working on your computer..........................7 Safety instructions................................7 Turning off your computer — Windows 10........................7 Before working inside your computer..........................8 After working inside your computer..........................8 2 Removing and installing components......................9 Screw size list..................................9 Recommended tools................................ 10 Power supply unit (PSU)..............................11 Removing the PSU..............................11 Installing the PSU................................
  • Page 4 Installing the intruder switch.............................33 Internal chassis speaker..............................33 Removing the internal chassis speaker........................34 Installing the internal chassis speaker........................35 Air shroud..................................35 Removing the air shroud............................35 Installing the air shroud............................. 36 Memory..................................... 36 Removing the memory module..........................36 Installing the memory module...........................36 Graphical processing unit(GPU).............................37 Removing the GPU..............................
  • Page 5 Updating BIOS on systems with bitlocker enabled....................85 Updating your system BIOS using a USB flash drive.................... 85 Updating the Dell BIOS in Linux and Ubuntu environments................. 86 Flashing the BIOS from the F12 One-Time boot menu..................86 System and setup password............................90 Assigning a system password and setup password....................90...
  • Page 6 Security device drivers..............................94 Software device drivers............................95 Human Interface Device drivers..........................95 Firmware..................................95 7 Troubleshooting............................96 Dell Enhanced Pre-Boot System Assessment — ePSA diagnostic 3.0..............96 Running the ePSA diagnostics..........................96 Preboot blinking power button codes........................... 96 8 Contacting Dell............................101 Contents...
  • Page 7: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
  • Page 8: Before Working Inside Your Computer

    NOTE: 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 6 seconds to turn them off.
  • Page 9: Removing And Installing Components

    Removing and installing components Topics: • Screw size list • Recommended tools • Power supply unit (PSU) • Side cover • Front bezel • Hard Disk Drive bezel • Hard disk drive assembly • Slim Optical Disk Drive • Front input and output bezel •...
  • Page 10: Recommended Tools

    Component Screw type Quantity Intruder Holder M3X5.0mm PDB Board #6-32X1/4 inches PDB Bracket M3X5.0mm Slim ODD Plug M3X5.0mm HDD Bracket M3X5.0mm #6-32 UNC X6.0mm 5.25" ODD Bracket M3X5.0mm System Board #6-32X1/4 inches Middle Fan Fixed Bracket #6-32X1/4 inches Middle Fan Bracket #6-32X1/4 inches Rear Fan Bracket #6-32X1/4 inches...
  • Page 11: Power Supply Unit (Psu)

    Power supply unit (PSU) Removing the PSU Follow the procedure in Before working inside your computer. Disconnect the power cable from the system. Press the PSU release latch [1] and slide the power supply away from the system [2]. Installing the PSU Slide in the power supply unit to the PSU slot on the system.
  • Page 12: Side Cover

    Side cover Removing the side cover Follow the procedure in Before working inside your computer. CAUTION: The system will not power on while the side cover is off. Also, the system will shut down if the side cover is removed while the system is on. To remove the side cover: Press the latch Pull the latch [1] upward and rotate it to release the cover [2].
  • Page 13: Installing The Side Cover

    Lift the cover to remove it from the system. Installing the side cover First hold and align the bottom of the side cover to the chassis. Ensure that the hook on the bottom of the side cover snaps into the notch on the system. Press the system cover until it clicks into place.
  • Page 14: Front Bezel

    Front bezel Removing the front bezel Follow the procedure in Before working inside your computer. Remove the side cover. To remove the front bezel: Pry the retention tabs to release the front bezel from the system. b Rotate the bezel forward and lift the front bezel away from the system. Removing and installing components...
  • Page 15: Installing The Front Bezel

    Installing the front bezel Hold the bezel and ensure that the hooks on the bezel snap into the notches on the system. Rotate the bezel forward and press the front bezel until the tabs click into place. Follow the procedure in After working inside your computer.
  • Page 16: Installing Hdd Bezel

    Installing HDD bezel Hold the bezel and ensure that the hooks on the bezel snap into the notches on the system. Press the blue lock button on the left edge of the ODD bay to secure the bezel to the system. Install the side cover.
  • Page 17 NOTE: Do not remove the side cover, if the front I/O bezel is unlocked. HDD bezel To remove the HDD bracket: Press the release button [1] to unlock the latch [2]. b Pull the latch to slide the bracket out of the HDD slot. Removing and installing components...
  • Page 18: Installing The Hdd Bracket

    Installing the HDD bracket Slide the bracket into the drive bay until it clicks into place. CAUTION: Ensure that the latch is open before installing the bracket. Lock the latch. Install the following components: HDD bezel side cover Follow the procedure in After working inside your computer.
  • Page 19 side cover HDD bezel HDD bracket To remove the HDD: Expand one side of the bracket. b Lift the hard drive out of the bracket. Removing and installing components...
  • Page 20: Installing The Hdd

    Installing the HDD Insert the HDD into the 3.5" bracket with the connector end of the hard drive towards the back of the HDD bracket. Slide the HDD bracket back into the hard drive bay. Install the following: HDD bracket HDD bezel side cover Follow the procedure in...
  • Page 21 b Slide the slim ODD out of the system. Removing and installing components...
  • Page 22: Installing The Slim Odd

    Installing the slim ODD Slide the slim ODD into the slot on the chassis. Tighten the screw to secure the slim ODD to the chassis. Install the side cover. Follow the procedure in After working inside your computer. Front input and output bezel Removing front input and output bezel Follow the procedure in Before working inside your...
  • Page 23 b Lift the bezel from the chassis. Removing and installing components...
  • Page 24: Installing Front Input And Output Bezel

    Installing front input and output bezel Hold the input and output(I/O) bezel and ensure that the hooks on the bezel snap into the notches on the system. Press the retention tabs and secure them to the chassis. Install the : front bezel side cover Follow the procedure in...
  • Page 25 b Remove the five screws[1,2] that secure the bracket to the chassis. Removing and installing components...
  • Page 26 Slide the ODD bracket toward the rear of the system and lift it away from the chassis. Removing and installing components...
  • Page 27: Installing The 5.25 Odd Bay

    Installing the 5.25 ODD bay Place the ODD bracket into the system slot. Replace the (6-32 X 6.0mm) screws. Place the ODD filler back into the slot. Install the: front bezel side cover Follow the procedure in After working inside your computer Front input and output panel Removing front input and output panel Follow the procedure in...
  • Page 28 To remove the front input and output(I/O) panel: Disconnect the intruder switch cable [1], USB 3.1 cable [2], front I/O power cable [3], USB 3.1 cable [4], Speaker cable [5], Audio cable [6] NOTE: Do not pull the connector by the cable wires. Instead, disconnect the cable by pulling the connector end.
  • Page 29 Slide the I/O panel out of the chassis. Removing and installing components...
  • Page 30: Installing Front Input And Output Panel

    Installing front input and output panel Insert the input and output(I/O) panel onto its slot in the system. Slide the panel to secure the hooks into the chassis hole. Tighten the screw to secure the front I/O panel to the chassis. Connect the following cables: •...
  • Page 31: Input And Output Panel Bracket

    front bezel side cover Follow the procedure in After working inside your computer. Input and output panel bracket Removing input and output panel bracket Follow the procedure in Before working inside your computer. Remove the: side cover front bezel front input and output bezel 5.25 inch ODD bracket front input and output panel To remove the input and output(I/O) panel bracket:...
  • Page 32: Installing Input And Output Panel Bracket

    Installing input and output panel bracket Insert the input and output(I/O) panel into the metal bracket. Replace the screws to secure the I/O panel bracket to the I/O panel. Install the: front input and output panel front input and output bezel 5.25 inch ODD bracket front bezel side cover...
  • Page 33: Installing The Intruder Switch

    NOTE: The system will not power on without the Intruder switch installed. Installing the intruder switch Place the intruder switch into the slot in the system chassis. Replace the screw and secure the switch to the chassis. Connect the cable to the system board. Install the: 5.25 inch ODD bracket front bezel...
  • Page 34: Removing The Internal Chassis Speaker

    Removing the internal chassis speaker Follow the procedure in Before working inside your computer. Remove the: . side cover front bezel 5.25 inch ODD bracket To remove the internal chassis speaker: Disconnect the speaker cable [1] from the front I/O module. b Press the speaker securing tabs [2], then pull to release it from the system.
  • Page 35: Installing The Internal Chassis Speaker

    Installing the internal chassis speaker Press and hold the tabs on either side of the intrusion speaker, and slide the speaker module into the slot to secure it to the system. Connect the internal chassis speaker cable to the connector on the system chassis. Install the: 5.25 inch ODD bracket front bezel...
  • Page 36: Installing The Air Shroud

    Installing the air shroud Place the shroud into its position and make sure that the tab fits into the system. Align the shroud to its locking tab. Press down the shroud until it clicks into place. Install the side cover. Follow the procedure in After working inside your computer.
  • Page 37: Graphical Processing Unit(Gpu)

    Graphical processing unit(GPU) Removing the GPU Follow the procedure in Before working inside your computer. Remove the side cover. To remove the GPU: Disconnect the power cable [1] from the GPU card. NOTE: Not all GPU cards will have power cable, may not apply to all systems. b Press and rotate the blue clips backward [2], to unlock the filler bracket.
  • Page 38: Installing The Gpu

    Installing the GPU Align and place the GPU to the PCIe slot on the system board. Press it down so that it is securely seated on the slot. Connect the power cable to the GPU. Lock both the blue clips forward on the filler bracket to secure the GPU to the system board. Install the side cover.
  • Page 39: Installing The Coin Cell Battery

    b Lift the coin-cell battery out of the system board. Installing the coin cell battery Place the coin-cell battery into its slot on the system board. Press the coin-cell battery with positive (+) side facing up until the release latch springs back into place and secures it to the system board.
  • Page 40: System Fan

    System fan Removing the System fan Follow the procedure in Before working inside your computer Remove the: side cover air shroud front bezel 5.25 inch ODD bracket graphical processing unit(GPU) To remove the system fan: Press the connector tab and disconnect the two fan cables from the system board. NOTE: Do not pull the connector by the cable wires.
  • Page 41: Installing The System Fan

    b Remove the screws [1] securing the system fan to the system board and lift the system fan up [2] . Installing the system fan Align the system fan to its slot on the system board and secure it with the 3 screws. Connect the fan cables to the slot on the system board.
  • Page 42: Installing The Fan Into The Fan Bracket

    system fan To remove the fan from the fan bracket: Slide out the four rubber grommets for each fan from the fan chassis [1]. b Lift the fan and remove it from the fan assembly [2]. Installing the fan into the fan bracket Place the fan into the fan bracket.
  • Page 43: Pcie Holder

    system fan side cover Follow the procedure in After working inside your computer PCIe holder Removing PCIe holder Follow the procedure in Before working inside your computer. Remove the: side cover graphical processing unit(GPU) To remove the PCIe holder: Disconnect the two power cables from the cable slot in the PCIe holder [1]. b Press the PCIe holder securing clip and slide the holder [2] out of the chassis.
  • Page 44: Installing The Pcie Holder

    Installing the PCIe holder Align and place the PCIe holder to the system chassis. Press the holder back until it clicks to the system. Connect the two power cables to the cable slots in the holder. Install the: graphical processing unit(GPU) side cover Follow the procedure in After working inside your...
  • Page 45 Remove the screws [1]. d Press the tab[2] to detach the fan from the system. Removing and installing components...
  • Page 46 Rotate the fan forward and lift it away from the system. Removing and installing components...
  • Page 47: Installing The Rear System Fan

    Installing the rear system fan Insert the fan assembly on one side to align it with the screw tab on the PSU bracket. Press the assembly on the other side to align it with the screw tab on the PCI bracket. Tighten the two screws to secure it with the system.
  • Page 48 graphical processing unit (GPU) To remove the front system fan: Unroute the following cables from the card holder [5]: • SATA 0,1 cable [1] • SATA 2, 3, 4, 5 cable [2] • ODD 0, 1 cable [3] • USB 3.1 cable [4] NOTE: Do not pull the connector by the cable wires.
  • Page 49: Installing The Front System Fan

    Installing the front system fan Align the front system fan to its retention slot in the system chassis. Replace the screw that secures the front system fan to the chassis. Connect the fan cable to the system board. Route the following cables through the cable holder and connect to the system board: •...
  • Page 50: Processor Heat Sink Module

    Processor heat sink module Removing the processor heat sink module Follow the procedure in Before working inside your computer. NOTE: Ensure that you have Torx 30 screwdriver to remove the processor heat sink module (PHM). Remove the: side cover air shroud To remove the heat sink: Remove the four heat sink screws [1], in the diagonal order (4, 3, 2, 1).
  • Page 51: Installing The Processor Heat Sink Module

    Installing the processor heat sink module Place the heat sink on the CPU slot. Replace the four screws in the diagonal order (1,2,3,4), to secure the heat sink to the system board. Install the: air shroud side cover Follow the procedure in After working inside your computer.
  • Page 52 d Use a torx screwdriver to pry the CPU off the processor heat sink module. Place the blade between the clip and the CPU. NOTE: A flatbed screwdriver or plastic scribe can also be used as well. Unlatch the CPU from the two keying latches on the processor carrier and gently lift the CPU. NOTE: Avoid touching the CPU contacts with your fingers.
  • Page 53: Installing The Cpu

    Installing the CPU Orient the processor carrier so that the smooth (logo-less) side of the carrier is facing up and the triangle mark on the carrier is on the bottom left hand corner. Align the processor with the carrier so that the triangle mark on the top side of the processor is aligned with the triangle mark on the carrier.
  • Page 54 Flip both the processor and the carrier over so that the pins on the processor and the logo side of the carrier are facing up. Carefully insert the processor into the carrier so that it is secured by the hooks on the upper and lower side of the carrier. NOTE: After inserting the processor into the carrier, check to see whether the small triangle on the processor aligns with the triangle on the carrier.
  • Page 55 Insert the processor and carrier assembly into the heat sink so that the hooks on the four corners of the carrier are locked into the openings of heat sink. NOTE: After inserting the processor and carrier assembly into the heat sink, double check to see whether the triangle on the carrier is located on the bottom right corner of the heat sink (when the bottom side of the heat sink is facing up).
  • Page 56: System Board

    Install the: heat sink air shroud side cover Follow the procedure in After working inside your computer System board Removing system board Follow the procedure in Before working inside your computer. Remove the: side cover air shroud memory module system fan rear system fan PCIe card holder To remove the system board:...
  • Page 57 d Disconnect the following cables from the system board connectors: • audio cable [1] • power cable [2] • cable holder [3] • power control cable [4] • 24 Pin power cable [5] • front I/O panel [6] Removing and installing components...
  • Page 58 Disconnect the following cables: • SATA 2, 3, 4, 5 cable [1] • SATA 0,1 cable [2] • ODD 0, 1 cable [3] • USB 3.1 cable [4] • Front system fan cable [5] NOTE: Do not pull the connector by the cable wires . Instead, disconnect the cable by pulling on the connector end.
  • Page 59 Remove the screws that secure the system board to the chassis. Removing and installing components...
  • Page 60 g Slide the system board towards HDD bracket module to detach it from the system. Removing and installing components...
  • Page 61 h Lift the system board up to remove it from the chassis. Removing and installing components...
  • Page 62: Installing The System Board

    Installing the system board Align and place the system board into the chassis. Slide the system board to its position. Replace the screws to secure the system board to the chassis. Place the system fan fixed bracket and replace the single screw on the system board. Connect the following cables: •...
  • Page 63: System Board Components

    System board components The following image displays the system board components. Slot 6 PCI Slot PCI 3x16 Memory slots CPU0 Memory slots Front panel audio port Power CPU port Rear fan 0 port HDD fan port Rear fan 1 port PCIE1 PCIE0 Power control port...
  • Page 64 Power port Jumper SW_Power USB 2_INT Front panel power connector System fan 0 USB 2_flex Front panel USB3.2 port Front panel USB3.1 SATA 0, 1, 2, 3, 4, 5 and ODD 0, 1 ports VROC_key Removing and installing components...
  • Page 65: Technology And Components

    This section provides information about the technologies that comes with the Dell Precision 7820 Tower. The following table lists the basic of technologies that are available on the Dell Precision7820 Tower systems for Dell internal users only. Table 2. Technologies list...
  • Page 66: Teradici Pcoip

    Dell UltraSpeed Duo (PCIE M.2 Interposer) Remote Solutions 1-1 Teradici PCoIP • CLIENT: Dell or other Branded Zero Client (TERA Gen 2) (Dell-Wyse P25) DUAL Monitor Support • HOST: PCIe x1 PCoIP Dual Host Card (TERA Gen 2) • CLIENT: Dell or other Branded Zero Client (TERA Gen 2) (Dell-Wyse P45 ) QUAD Monitor Support •...
  • Page 67 NOTE: You cannot upgrade the PCoIP host driver software while a VMware View-brokered PCoIP session is active between a host workstation or host PC and VMware View client. Doing this will result in losing access to your mouse and keyboard when the driver software is removed.
  • Page 68: System Specifications

    System specifications Topics: • System specifications • Memory specifications • Video specifications • Audio specifications • Network specifications • Card slots • Storage specifications • External connectors • Power specifications • Physical specifications • Environmental specifications System specifications Feature Specification Processor type •...
  • Page 69: Audio Specifications

    Features Specifications • NVIDIA Quadro GP100 • NVIDIA Quadro P6000 • NVIDIA Quadro P5000 • Radeon Pro WX 7100 • Radeon Pro WX 5100 • Radeon Pro WX 4100 • NVIDIA Quadro P4000 • NVIDIA Quadro P2000 • Radeon Pro WX 3100 •...
  • Page 70: Storage Specifications

    Externally Accessible DVD-ROM; DVD+/-RW 5.25” Bay Options: BD, DVD+/-RW Internally Accessible • M.2 NVMe PCIe SSDs — Up to 4 x 1TB drives on 1 Dell Precision Ultra-Speed Drive Quad x16 cards • Front FlexBay M.2 NVMe PCIe SSDs —Up to 2 x 1TB drives •...
  • Page 71: Environmental Specifications

    Features Specifications Depth • 518.3 mm Optional 19” rackmount rail kit Environmental specifications Temperature Specifications Operating 5 °C to 35 °C (41 F to 95 °F) NOTE: * Starting at 5000 ft, the maximum operating ambient temperature is derated by 1 C (1.8 F) per 1000 ft up to 10,000 ft.
  • Page 72: System Setup

    System Setup Topics: • General options • System configuration • Video • Security • Secure boot • Performance • Power management • Post behaviour • Manageability • Virtualization support • Maintenance • System logs • Advanced configurations • SupportAssist system resolution •...
  • Page 73: System Configuration

    Option Description Boot List Option Allows you to change the boot list options. Click one of the following options: • Legacy • UEFI—Default Allows you to Enable Legacy Option ROMs. Advanced Boot Options The options are: • Enable Legacy Option ROMs—Default •...
  • Page 74 Option Description SATA Operation 7820 Tower Allows you to configure the operating mode of the integrated SATA hard-drive controller. Click one of the following options: • Disabled • AHCI • RAID On—Default NOTE: SATA is configured to support RAID mode. Drives 7820 Tower Allows you to enable or disable various drives on board.
  • Page 75 Internal USB Configuration • Internal Port 2 This option is set by default. Allows you to connect to Dell WD and TB family of docks. Dell Type-C Dock Configuration Always Allows Dell Docks This option is set by default. Allows you to enable or disable the Thunderbolt device support Thunderbolt Adapter Configuration capability.
  • Page 76: Video

    Option Description Allows you to enable or disable 64-bit capable PCI devices to be Memory Map IO above 4GB decoded in above 4 GB address space(only if the system supports 64-bit PCI decoding). • Memory Map IO above 4GB This option is not set by default. Allows you to control the HDD fans.
  • Page 77: Security

    Option Description • SLOT7_CPU1 Security Table 6. Security Option Description Allows you to set, change, or delete the administrator(admin) password. Admin Password The entries to set password are: • Enter the old password: • Enter the new password: • Confirm new password: Click OK once you set the password.
  • Page 78 Option Description Allows you to bypass the System password and the Internal HDD password, when it is set, during a Password Bypass system restart. Click one of the options: • Disabled—Default • Reboot bypass Allows you to change the System password when the administrator password is set. Password Change •...
  • Page 79: Secure Boot

    Option Description • One Time Enable • Disabled Admin Setup Lockout Allows you to prevent users from entering Setup when an administrator password is set. • Enable Admin Setup Lockout This option is not set by default. Master Password Lockout Allows you to disable master password support.
  • Page 80 • Disabled • Enabled—Default Allows you to identify and isolate memory errors in system RAM. Dell Reliable Memory Technology (RMT) • Enable Dell RMT—Default • Clear Dell RMT Allows you to enable or disable this mode to reduce latency of System Isochronous Mode memory transactions at the expense of bandwidth.
  • Page 81: Power Management

    Power management Table 9. Power Management Option Description AC Recovery Specifies how the computer will respond when AC power is applied after an AC power loss. You can set the AC Recovery to: • Power Off—Default • Power On • Last Power State Allows you to set the time at which the computer must turn on automatically.
  • Page 82: Post Behaviour

    Post behaviour Table 10. POST Behavior Option Description Numlock LED Specifies if the NumLock function can be enabled when the system boots. This option is set by default. Specifies whether keyboard related errors are reported when it boots. This option is set by default. Keyboard Errors Allows you to create additional pre-boot delay and see POST status messages.
  • Page 83: Virtualization Support

    Option Description This option is set by default. Virtualization support Table 12. Virtualization Support Option Description This option specifies whether a Virtual Machine Monitor (VMM) can utilize the additional hardware Virtualization capabilities provided by the Intel Virtualization technology. • Enable Intel Virtualization Technology This option is set by default.
  • Page 84: System Logs

    Table 16. SupportAssit System Resolution Option Description The Auto OS Recovery Threshold setup option controls the automatic boot flow for Support Assist Auto OS Recovery System Resolution Console and Dell OS Recovery tool. Threshold Click one of the following options: • •...
  • Page 85: Updating Bios On Systems With Bitlocker Enabled

    Insert the USB Flash drive into the system that requires the BIOS update. Restart the system and press F12 when the Dell Splash logo appears to display the One Time Boot Menu. Using arrow keys, select USB Storage Device and click Return.
  • Page 86: Updating The Dell Bios In Linux And Ubuntu Environments

    Most Dell systems built after 2012 have this capability and you can confirm by booting your system to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your system. If the option is listed, then the BIOS supports this BIOS update option.
  • Page 87 The Bios flash menu will open then click the browse button. The E5450A14.exe file is shown as an example in the following screenshot. The actual file name may vary. System Setup...
  • Page 88 Once the file is selected, it will show in the file selection box and you can click the OK button to continue. Click the Begin Flash Update button. System Setup...
  • Page 89 A warning box is displayed asking you if you want to proceed. Click the Yes button to begin the flash. At this point the BIOS flash will execute, the system will reboot and then the BIOS flash will start and a progress bar will show the progress of the flash.
  • Page 90: System And Setup Password

    Once complete, the system will reboot and the BIOS update process is completed. System and setup password You can create a system password and a setup password to secure your computer. Password type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer.
  • Page 91: Deleting Or Changing An Existing System And Or Setup Password

    Press Y to save the changes. The computer reboots. Deleting or changing an existing system and or setup password Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or Setup password.
  • Page 92: Software

    NeoKylin v6.0 Downloading drivers Turn on the computer. Go to Dell.com/support. Click Product Support, enter the Service Tag of your system, and then click Submit. NOTE: If you do not have the Service Tag, use the auto detect feature or manually browse for your system model.
  • Page 93: Chipset Drivers

    Chipset drivers Verify if the Intel chipset and Intel Management Engine Interface drivers are already installed in the computer. Graphics controller driver Verify if the graphics controller driver is already installed in the computer. Ports Verify if the drivers for the ports are already installed in the computer. Software...
  • Page 94: Usb Drivers

    USB drivers Verify if the USB drivers are already installed in the computer. Network driver The driver is labeled as Intel I219-LM Ethernet Driver. Audio drivers Verify if the audio drivers are already installed in the computer. Storage controller drivers Verify if the storage controller drivers are already installed in the computer.
  • Page 95: Software Device Drivers

    Software device drivers Verify if the software device drivers are already installed in the computer. Human Interface Device drivers Verify if the human interface device drivers are already installed in the computer. Firmware Verify if the Firmware drivers are already installed in the computer. Software...
  • Page 96: Troubleshooting

    3.0. Running the ePSA diagnostics Power-on the computer. As the computer boots, press the F12 key as the Dell logo appears. On the boot menu screen, select the Diagnostics option. Click the arrow key at the bottom left corner. Diagnostics front page is displayed.
  • Page 97 Power Button LED State Description Solid Amber The second state of the LED at power up, indicates that the POWER_GOOD signal is active and it is probable that the power supply is fine. Solid White System is in S0 state. This is the normal power states of a functioning machine.
  • Page 98 State State Name Power Light: Amber Amber Blinking Problem Description Suggested Blinking Pattern Resolution 2, 6 2 blinks followed by a Bad Processor • short pause, 6 blinks, configuration activity is in long pause, then progress or a repeats CPU failure was detected.
  • Page 99 State State Name Power Light: Amber Amber Blinking Problem Description Suggested Blinking Pattern Resolution one to determine which card failed. • Contact Tech Support. 3, 3 3 blinks followed by a No Memory • If customer can short pause, 3 blinks, detected assist to troubleshoot,...
  • Page 100 State State Name Power Light: Amber Amber Blinking Problem Description Suggested Blinking Pattern Resolution • Contact Tech Support 3, 6 3 blinks followed by a System board failure • Fatal system short pause, 6 blinks, board failure detected. long pause, then •...
  • Page 101: Contacting Dell

    Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: Go to Dell.com/support.

This manual is also suitable for:

Precision 7920Precision 5820 tower

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