Dell Precision C0931- Manuals

2 Front Bezel Removing the Front Bezel 1. Follow the procedures in Before Working Inside Your Computer . 2. Unlock the front bezel using the given key. 3. Lift the bezel release tab and gently pull the front bezel away from the computer. Related Links Installing the Front Bezel 11

Installing the Front Bezel 1. Insert the front bezel in the slot downwards and push it towards the computer. 2. Secure the release tab. 3. Lock the front bezel using the given key. 4. Follow the procedures in After Working Inside Your Computer . Related Links Removing the Front Bezel 12

3 Cover Removing the Cover 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Rotate the latch-release lock counter-clockwise to the unlocked position. 4. Lift the latch and slide the cover towards the back of the computer. 5. Hold the cover on both side...

Related Links Installing the Cover Installing the Cover 1. Place the cover on the computer and press down until it clicks into place. 2. Press down the cover latch. 3. Using a screwdriver, rotate the latch-release lock clockwise, to lock the cover. 4. Install the front bezel . 5. Follow the procedur...

4 Cooling Shroud Removing the Cooling Shroud CAUTION: The computer will be populated with one or two CPUs. Currently, when there is a single CPU installed, airflow can bypass CPU1 which increases fan speeds and therefore leads to poor acoustic performance. Adding a mylar piece in this region redirec...

Related Links Installing the Cooling Shroud Installing the Cooling Shroud 1. Gently place the shroud in front of the system fans into the system board. 2. Install the cover . 3. Install the front bezel . 4. Follow the procedures in After Working Inside Your Computer . Related Links Removing the Cool...

5 Optical Drive Removing the Optical Drive 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Disconnect the power and data cable from the back of the optical drive. 6. Press down and push the blue rel...

Related Links Installing the Optical Drive Installing the Optical Drive 1. Insert the optical drive into the drive bay. 2. Connect the power and data cables. 3. Install the cooling shroud . 4. Install the cover . 5. Install the front bezel . 6. Follow the procedures in After Working Inside Your Comp...

6 Hard Drive Carrier Removing the Hard-Drive Carrier 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Press the release button. 7. Pull the hard-drive carrier handle ope...

8. Hold the front of the hard drive and slide out until it is free of the drive bay. Related Links Installing the Hard-Drive Carrier Installing the Hard-Drive Carrier 1. Insert the hard drive into the drive bay. 2. Press the hard-drive carrier handle until it clicks into place. 3. Install the coolin...

7 Hard Drive Assembly Removing the Hard-Drive Assembly 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the screws securing the...

9. Lift up the hard-drive caddy from the hard drive and remove. Related Links Installing the Hard-Drive Assembly Installing the Hard-Drive Assembly 1. Place the hard drive in the hard-drive caddy. 2. Tighten the screws that secure the hard drive on either side of the hard-drive caddy. 3. Install the...

8 SAS Backplane Removing the SAS Backplane 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembly . 8. Discon...

Related Links Installing the SAS Backplane Installing the SAS Backplane 1. Push the blue release tabs and insert the backplane in the slot along the hard-drive assembly. 2. Connect the SAS cables. 3. Install the hard drive assembly . 4. Install the hard drive carrier . 5. Install the optical drive ....

9 Power Supply Removing the Power Supply 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembly . 8. Remove t...

Installing the Power Supply 1. Insert the power supply unit into the computer until it clicks into place. 2. Install the SAS backplane . 3. Install the hard drive assembly . 4. Install the hard-drive carrier . 5. Install the optical drive . 6. Install the cooling shroud . 7. Install the cover . 8. I...

10 Control Panel Removing the Control Panel CAUTION: Two different Torx drivers are needed for the control panel disassembly/reassembly, a T10 and T8. 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5....

Related Links Installing the Control Panel Installing the Control Panel 1. Attach the control panel cables. 2. Replace the torx screw securing the control panel. 3. Install the power supply . 4. Install the SAS backplane . 5. Install the hard drive assembly . 6. Install the hard-drive carrier . 7. I...

11 System Fan Removing the System Fans 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembly . 8. Remove the...

Related Links Installing the System Fans Installing the System Fans 1. Insert the fan in the cooling fan assembly until it clicks into place. 2. Repeat step 1 for the remaining cooling fans. 3. Install the control panel . 4. Install the power supply . 5. Install the SAS backplane . 6. Install the ha...

12 Fan Bracket Removing the Removable Fan Bracket 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembly . 8....

Related Links Installing the Removable Fan Bracket Installing the Removable Fan Bracket 1. Place the fan bracket in the computer. 2. Press both release tabs downwards simultaneously to secure the bracket. 3. Install the system fans . 4. Install the control panel . 5. Install the power supply . 6. In...

13 Card Cages Removing the Expansion Card Cages 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembly . 8. R...

Related Links Installing the Expansion Card Cages Installing the Expansion Card Cages 1. Fix the inner expansion card cage in the computer. 2. Connect the cables leading to the expansion card cage. 3. Fix the outer expansion card cage in the computer. 4. Connect the cables leading to the expansion c...

14 Power Distribution Unit Removing the Power Distribution Unit 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive...

Related Links Installing the Power Distribution Unit Installing the Power Distribution Unit 1. Place the power distribution unit on the computer. 2. Fix the screws securing the power distribution unit. 3. Route and place the CPU 1, CPU 2, SAS Backplane and optical driver power cables. 4. Connect CPU...

15 Center Riser Board Removing the Center Riser Board 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembly ...

16. Lift the center riser board up and away from the computer. Related Links Installing the Center Riser Board Installing the Center Riser Board 1. Place the center riser board on the computer. 2. Slide the center riser board into place and press the release tab downwards. 3. Install the power distr...

16 CMOS Battery Removing the CMOS Battery 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembly . 8. Remove ...

17. Press the coin-cell battery inward to allow the battery to pop up from the socket. (power distribution unit removed for visibility purposes) 18. Lift the coin-cell battery out of the system and properly dispose of the battery. Related Links Installing the CMOS Battery Installing the CMOS Battery...

17 Video Card Removing the Video Card 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembly . 8. Remove the ...

18. Press the release tab in the direction shown by (1) and carefully lift the video card up and away from the computer as shown by direction marked (2). Related Links Installing the Video Card Installing the Video Card 1. Insert the video card in the slot provided until it clicks into place. 2. Pre...

18 SAS Controller Card Removing the SAS Controller Card 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembl...

19. Carefully lift the SAS Controller Card up and away from the computer. Related Links Installing the SAS Controller Card Installing the SAS Controller Card 1. Place and insert the SAS controller card on the computer. 2. Replace the release latch to secure the SAS controller card. 3. Install the vi...

13. Install the hard drive assembly . 14. Install the hard drive carrier . 15. Install the optical drive . 16. Install the cooling shroud . 17. Install the cover . 18. Install the front bezel . 19. Follow the procedures in After Working Inside Your Computer . 20. To enable RAID, see RAID Configurati...

19 Remote Access Host Card Removing the Remote Access Host Card 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive...

20. Carefully lift the Remote Access Host Card up and away from the computer. Related Links Installing the Remote Access Host Card Installing the Remote Access Host Card 1. Place and insert the Remote Access Host Card in to the slot provided. 2. Replace the release latch to secure the Remote Access ...

20 Front Chassis Assembly Removing the Front Chassis Assembly 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive a...

Related Links Installing the Front Chassis Assembly Installing the Front-Chassis Assembly 1. Slide the front-chassis assembly towards the back of the computer until it clicks into place. 2. Install the remote access host card . 3. Install the SAS controller card . 4. Install the video card . 5. Inst...

21 Processor and Heat Sink Removing the Processors and Heat Sink 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-driv...

25. Carefully lift the processor out of the socket. 26. Repeat steps 21 to 25 for the second processor (if installed). Related Links Installing the Processors and Heat Sink Installing the Processors and Heat Sink 1. Place and insert the processor in the socket. 2. Press the processor shield downward...

22 Memory Removing the Memory 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembly . 8. Remove the SAS Back...

23. Remove the memory module. 24. Repeat steps 22 and 23 for the other memory modules. Related Links Installing the Memory Installing the Memory 1. Insert the memory module in the slot. 2. Press back the memory tabs to lock it into place. 62

23 System Board Removing the System Board 1. Follow the procedures in Before Working Inside Your Computer . 2. Remove the front bezel . 3. Remove the cover . 4. Remove the cooling shroud . 5. Remove the optical drive . 6. Remove the hard drive carrier . 7. Remove the hard-drive assembly . 8. Remove ...

Installing the System Board 1. Place the system board on the chassis. 2. Gently slide the system board towards the back of the computer. Press the blue release tab. 3. Connect all cables to the system board. 4. Install the memory . 5. Install the processor and heat sink . 6. Install the front chassi...

24 System Setup Boot Menu As with previous workstation platforms, this computer includes a one-time boot menu. This feature gives users a quick and convenient mechanism to bypass the System Setup-defined boot device order and boot directly to a specific device (for example: floppy, CD-ROM, or hard d...

NOTE: The utility partition is not protected from debug routines or the FDISK utility. System Setup Options NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not appear. • To make changes to the BIOS setup, select one of the below options, update ...

25 Troubleshooting Diagnostic LEDs NOTE: The diagnostic LEDs only serve as an indicator of the progress through the POST process. These LEDs do not indicate the problem that caused the POST routine to stop. The diagnostic LEDs are located on the front of the chassis next to the power button. These d...

Light Pattern Problem Description Troubleshooting Steps Diagnostic LEDs Power Button LED correct for the devices installed on your computer. Beep Codes The computer can emit a series of beeps during start-up if the display cannot show errors or problems. These series of beeps, called beep codes, ide...

Error Messages Address mark not found Description The BIOS found a faulty disk sector or could not find a particular disk sector. Alert! Previous attempts at booting this system have failed at checkpoint [nnnn]. For help in resolving this problem, please note this checkpoint and contact Dell Technic...

26 Specifications Specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information regarding the configuration of your computer, click Start → Help and Support and select the option to view information abo...

27 Contacting Dell Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by coun...