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Troubleshooting

The following section describes common troubleshooting steps that can be performed to resolve certain problems on your computer.

Topics:

•

Dell Enhanced Pre-Boot System Assessment — ePSA Diagnostic 3.0

•

Hard drive indicator codes

Dell Enhanced Pre-Boot System Assessment —
ePSA Diagnostic 3.0

You can invoke the ePSA diagnostics by either of the following ways :

•

Press the F12 key when the system posts and choose

ePSA or Diagnostics

option on One Time Boot Menu.

•

Press and hold Fn(Function key on keyboard) and

Power On

(PWR) the system.

Running the ePSA Diagnostics

Invoke diagnostics boot by either of the methods that are suggested below:

1. Power on the computer.
2. As the computer boots, press the F12 key when the Dell logo is displayed.
3. In the boot menu screen, use Up/Down arrow key to select the

Diagnostics

option and then press

Enter

NOTE:

The Enhanced Pre-boot System Assessment window displays, listing all devices detected in the computer.

The diagnostics starts running the tests on all the detected devices.

4. Press the arrow in the lower-right corner to go to the page listing.

The detected items are listed and tested.

5. To run a diagnostic test on a specific device, press Esc and click

Yes

to stop the diagnostic test.

6. Select the device from the left pane and click

Run Tests

7. If there are any issues, error codes are displayed.

Note the error code and contact Dell.

Testing memory using ePSA

1. Turn on or restart your system.
2. Perform one of the following actions after the Dell logo is displayed:

•

With keyboard press

F12

•

The system displays one time boot menu and uses up and down arrow key to go to diagnostics and press enter to launch ePSA.

The Pre Boot System Assessment (PSA) starts on your system.

NOTE:

If you wait too long and the operating system logo be displayed, continue to wait until you see the desktop.

Turn off the laptop and try again.

NOTE:

ePSA can alternatively be launched by pressing and holding Fn+ Press Power button.

Troubleshooting

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Содержание D04X

Страница 1: ...Dell Precision 7920 Tower Owner s Manual Regulatory Model D04X Regulatory Type D04X001 ...

Страница 2: ...age to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2017 2019 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 2020 01 Rev A03 ...

Страница 3: ...roud 20 Installing the air shroud fan assembly 20 Removing the air shroud fan 20 Installing the air shroud fan 22 Front bezel 22 Removing the front bezel 22 Installing the front bezel 23 PCIe holder 24 Removing PCIe card holder 24 Installing the PCIe card holder 25 Intrusion switch 25 Removing the intrusion switch 25 Installing the intrusion switch 27 Front system fan assembly 27 Removing the fron...

Страница 4: ...53 Removing the HDD and ODD frame 53 Installing the HDD and ODD frame 56 Slim Optical Disk Drive 56 Removing the slim ODD and ODD latch 56 Installing the slim ODD and ODD latch 58 5 25 inch optical drive 59 Removing the 5 25 inch optical drive 59 Installing the 5 25 inch optical drive 60 Power distribution and fan control board 61 Removing the power distribution and fan control board 61 Installing...

Страница 5: ...odule 88 Installing the VROC module 89 4 Technology and components 90 Memory configuration 90 Technologies list 90 MegaRAID 9440 8i and 9460 16i controller 92 Teradici PCoIP 94 5 System specifications 98 System specifications 98 Memory specifications 98 Video specifications 99 Audio specifications 99 Network specifications 99 Card Slots 100 Storage specifications 100 External connectors 100 Power ...

Страница 6: ... setup password 115 Deleting or changing an existing system setup password 115 7 Software 117 Supported operating systems 117 Downloading drivers 117 Chipset driver 117 Graphics controller driver 118 USB drivers 118 Network drivers 119 Audio drivers 119 Ports 119 Storage controller drivers 119 Other drivers 119 8 Troubleshooting 121 Dell Enhanced Pre Boot System Assessment ePSA Diagnostic 3 0 121 ...

Страница 7: ... Topics Front view Back view Internal view Major components of your system Front view 1 Power button Power light 2 HDD Activity LED 3 SD card slot 4 USB 3 1 Gen 1 ports 5 USB 3 1 Gen 1 Type C port with PowerShare 6 USB 3 1 Gen 1 Type C port 7 Universal audio jack 8 Front bezel release latch 9 5 25 ODD Bay 10 Slimline optical bay 1 Chassis 7 ...

Страница 8: ...Mouse port 6 PSU BIST LED 7 PS 2 Keyboard port 8 Network Port AMT Enabled Optional 9 Network Port 10 USB 3 1 Gen 1 ports 11 USB 3 1 Gen 1 Type C port with PowerShare 12 Mechanical expansion slot 13 PCIe expansion slots 14 Side cover release latch 15 PCIe expansion slots CPU1 required 8 Chassis ...

Страница 9: ...ry Air shroud 3 Intrusion switch 4 Front system fan assembly 5 Front Bezel lock unlock button 6 Auxiliary PCIe power cables 7 Powered graphical processing unit GPU 8 PCIe release latches 9 Rear HDD Bezel lock unlock button 10 Rear Fans Chassis 9 ...

Страница 10: ...1 CPU1 socket 2 CPU0 Heatsink 3 PCIe holder 4 CPU0 Memory Slots 5 CPU0 Memory Slots 6 Coin cell battery 7 Half length PCIe graphics card 8 CPU1 Memory Slots 9 CPU1 Memory Slots 10 Chassis ...

Страница 11: ...y 2 Data cable and power cable for the Slim ODD 3 HDD fan bracket 1 4 Intrusion switch 5 Power distribution and fan control board 6 PSU 7 Flex 3 optional 8 Flex 4 optional 9 HDD fan bracket 0 10 Flex 1 enclosure 11 Flex 0 enclosure Chassis 11 ...

Страница 12: ...im Optical Disk Drive 6 Memory bracket 7 5 25 inch Optical Disk Drive 8 NVMe Flexbay 9 Front input and output panel 10 Front bezel 11 Front input and output bezel 12 Hard disk drive and optical disk drive frame 13 Hard Disk Drive bezel 14 Backpane and Drop cables 15 Right side cover 16 Computer chassis 17 System board 18 Expansion card 19 Memory 20 Processor 21 CPU locking clip 12 Chassis ...

Страница 13: ...d 26 Power supply unit PSU NOTE Dell provides a list of components and their part numbers for the original system configuration purchased These parts are available according to warranty coverages purchased by the customer Contact your Dell sales representative for purchase options Chassis 13 ...

Страница 14: ...t covered by your warranty Read and follow the safety instructions that came with the product CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or contacts on a c...

Страница 15: ...5 Disconnect your computer and all attached devices from their electrical outlets 6 Press and hold the power button while the computer is unplugged to ground the system board NOTE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer After working ...

Страница 16: ...Slim Optical Disk Drive 5 25 inch optical drive Power distribution and fan control board Front HDD cable and fan assembly Fan bracket Graphical processing unit GPU Memory Coin cell battery Processor heat sink module System board RAID controller battery RAID controller battery bracket VROC module Screw size list Table 1 Screw list Component Screw Type Quantity PSU extended card 6 32X1 4 inches 3 FI...

Страница 17: ...5fan bracket for hot plug 6 32 UNC X5 45mm 2 Flex2 HDD bay bracket 6 32 UNC X5 45mm 4 Flex2 6025fan bracket for cable attached 6 32 UNC X5 45mm 2 Flex3 HDD bracket 6 32 UNC X5 45mm 4 Flex3 6025fan bracket for cable attached 6 32 UNC X5 45mm 2 Flex4 HDD bracket 6 32 UNC X5 45mm 4 Flex4 6025fan bracket for cable attached 6 32 UNC X5 45mm 2 HH ODD holder M3X5 0mm 4 HSBP board 6 32 UNC X5 45mm 3 CPU0 ...

Страница 18: ...s secured with a screw Installing the PSU 1 Slide in the power supply unit to the PSU slot on the system 2 Connect the power cable to the system 3 Follow the procedure in After working inside your computer Side cover Removing the side cover 1 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 i...

Страница 19: ...it from the system Installing the side cover 1 First hold and align the bottom of the side cover to the chassis 2 Ensure that the hook on the bottom of the side cover snaps into the notch on the system 3 Press the system cover until it clicks into place Removing and installing components 19 ...

Страница 20: ...le from the system board 1 b Lift the shroud away from the system 2 Installing the air shroud fan assembly 1 Place the shroud into its position and ensure that the tab fits into the system 2 Press down the shroud until it locks with a click 3 Reconnect the fan connector cable to the system board 4 Install the side cover 5 Follow the procedure in After working inside your computer Removing the air ...

Страница 21: ...able from the latches 1 and 2 5 Remove the screws that secures the fan to the air shroud 1 and lift the fan away from the air shroud 2 NOTE The shroud will need to be flexed open slightly in order to be removed Removing and installing components 21 ...

Страница 22: ...e air shroud and flip over 4 Install the a air shroud top b side cover 5 Follow the procedure in After working inside your computer Front bezel Removing the front bezel 1 Follow the procedure in Before working inside your computer 2 Remove the side cover 3 To remove the front bezel a Press the latch and pry the retention tabs to release the front bezel from the system 22 Removing and installing co...

Страница 23: ... front bezel 1 Hold the bezel and ensure that the hooks on the bezel snap into the notches on the system 2 Rotate the bezel forward and press the front bezel until the tabs click into place 3 Follow the procedure in After working inside your computer Removing and installing components 23 ...

Страница 24: ...f MegaRAID 9460 is installed disconnect the Super CAP from the card before removing the PCIe card holder from the system a Disconnect the power cables on either side of the card holder by pressing the tab and pulling it out of the cable slot in the PCIe holder 1 and 2 b Release the dual cables passing through the clip on the card holder 3 4 Release the latches connecting the front system fan assem...

Страница 25: ...ect the Super CAP back to the card 6 Install the a air shroud b side cover 7 Follow the procedure in After working inside your computer Intrusion switch Removing the intrusion switch 1 Follow procedure in Before working inside your computer 2 Remove the right side cover 3 To remove the intrusion switch that is located at the bottom of the system board NOTE The system will not power on when the int...

Страница 26: ... 7 To remove the intrusion switch module a Pull the bottom intrusion switch cable up toward the chassis 1 b Press the tab to disconnect the intrusion switch cable from the system board 2 c Unroute the intrusion switch cables from the clip on the chassis 3 d Remove the screw on the intrusion module 4 e Lift the intrusion module from the front system fan assembly 5 26 Removing and installing compone...

Страница 27: ... the intrusion switch cable to the system board 5 Push the bottom intrusion switch cable down toward the bottom chassis 6 Replace the following components a PCIe graphics card holder b air shroud c side cover 7 Remove the right side cover 8 Pull the intrusion switch cable up from the top chassis 9 Insert and slide the intrusion switch into the slot in the chassis to secure it 10 Follow the procedu...

Страница 28: ...ift it away from the system fan chassis 2 b Disconnect the internal chassis speaker cable from the connector unroute it from the clip on the system fan chassis 3 and lift it away from chassis 4 4 Disconnect the four system fan cables from the connectors on the system board CAUTION Do not pull the connector by the cable wires Instead disconnect the cable by pulling on the connector end Pulling the ...

Страница 29: ...5 Remove the two screws securing the fan chassis to the system 1 and the two screws securing the fan chassis in front of the system 2 Removing and installing components 29 ...

Страница 30: ...6 Rotate and lift the fan assembly away from the system 30 Removing and installing components ...

Страница 31: ...gh the clip on the system fan assembly and connect the internal chassis speaker to the connector 6 Replace the intrusion switch module to the slot on the fan assembly and insert the screw to secure it with the system fan assembly 7 Install the following components a PCIe graphics card holder b air shroud c front bezel d side cover 8 Follow the procedure in After working inside your computer Intern...

Страница 32: ... system 3 Installing the internal chassis speaker 1 Press and hold the tabs on either side of the internal chassis speaker and slide the speaker module into the slot to secure it to the system 2 Route the internal chassis speaker cable through the clip on the system fan assembly 3 Connect the one end of the internal chassis speaker cable to the connector on the system fan assembly 4 Install the fo...

Страница 33: ...ut from the chassis 3 4 Optional Remove the ODD bezel from the chassis by prying the edges of the bezel and lift it away Installing the HDD bezel 1 If the ODD bezel is removed install it by aligning the notch of the bezel into the slot on the chassis Optional 2 Align the HDD bezel onto its slots on the chassis and press the HDD bezel towards the chassis 3 Press the blue lock button located near th...

Страница 34: ... 2 Remove the a side cover NOTE Do not remove the side cover if the front I O bezel is unlocked b HDD bezel NOTE Remove only the HDD bezel 3 To remove the HDD carrier a Press the release button 1 to unlock the latch 2 b Pull the latch to slide the carrier out of the HDD slot 34 Removing and installing components ...

Страница 35: ...he latch 3 Install the following components a HDD bezel b side cover 4 Follow the procedure in After working inside your computer Removing the HDD 1 Follow the procedure in Before working inside your computer 2 Remove the following a side cover b HDD bezel c HDD carrier 3 To remove the 3 5 inch HDD a Expand one side of the carrier Removing and installing components 35 ...

Страница 36: ...HDD 1 Insert the HDD to its slot in the HDD bracket with the connector end of the hard drive towards the back of the HDD carrier 2 Slide the HDD carrier back into the hard drive bay 3 Install the following a HDD carrier 36 Removing and installing components ...

Страница 37: ...n Before working inside your computer 2 Remove the a side cover NOTE Do not remove the side cover if the front I O bezel is unlocked b HDD bezel NOTE Remove only the HDD bezel 3 To remove the NVMe flexbay a Press the release button 1 to unlock the latch 2 b Pull the latch to slide the carrier out of the HDD slot Removing and installing components 37 ...

Страница 38: ...ove the SSD carrier from the NVMe flexbay a Press the release button to slide the M 2 SSD carrier out of the NVMe flexbay b Pull the M 2 SSD carrier out of the NVMe flexbay 38 Removing and installing components ...

Страница 39: ...5 To remove the SSD from the SSD carrier a Remove the screws on either side of the SSD b Remove the screw from the top of the SSD carrier Removing and installing components 39 ...

Страница 40: ...c Slide the SSD cover from the top of the carrier d Slide the SSD out of the M 2 slot on the carrier 40 Removing and installing components ...

Страница 41: ...Installing the NVMe flexbay 1 To install the SSD in the carrier a Remove the dummy SSD blank from the SSD carrier b Peel off the tape from the SSD carrier Removing and installing components 41 ...

Страница 42: ...c Peel off the adhesive tape from the SSD carrier cover 2 Install the SSD in the carrier 42 Removing and installing components ...

Страница 43: ...alling the carrier 6 Lock the latch 7 Install the following components a HDD bezel b side cover 8 Follow the procedure in After working inside your computer Front input and output bezel Removing the front input and output bezel 1 Follow the procedure in Before working inside the computer 2 Remove the a side cover b front bezel c HDD and ODD bezel 3 To remove the front Input Output I O bezel pry th...

Страница 44: ...4 Slightly slide the panel and lift it away from the chassis 44 Removing and installing components ...

Страница 45: ... 3 Follow the procedure in After working inside your computer Front input and output panel Removing the front input and output panel 1 Follow the procedure in Before working inside your computer 2 Remove the following a side cover b air shroud c front bezel d PCIe holder e front system fan f HDD and ODD bezel g input and output bezel Removing and installing components 45 ...

Страница 46: ...ct the following cables from the connectors on the I O panel Front panel cable 1 Front USB 3 1 cable 2 Front USB 3 1 cable 3 Front panel audio cable 4 b Remove the single screw that secures the I O panel to the chassis 46 Removing and installing components ...

Страница 47: ...4 Slide the I O panel toward the left of the system to release it and then remove the I O panel out of the system Removing and installing components 47 ...

Страница 48: ... secure the I O panel to the chassis 4 Connect the following cables to the connectors on the I O panel Front panel cable Front USB 3 1 cable Front USB 3 1 cable Front panel audio cable NOTE The color of the cable matches the color of the connector 5 Install the following a input and output bezel b HDD and ODD bezel c front system fan d PCIe holder e front bezel f air shroud 48 Removing and install...

Страница 49: ...puter 2 Remove the following a side cover b air shroud c front bezel d PCIe holder e front system fan f HDD and ODD bezel g input and output bezel h input and output panel 3 To remove the Input Output I O panel bracket a Remove the two screws that secure the I O panel to the bracket b Release and remove the I O panel out of the bracket Removing and installing components 49 ...

Страница 50: ...CIe holder f front bezel g air shroud h side cover 4 Follow the procedure in After working inside your computer Rear system fan Removing the rear system fan 1 Follow the procedure in Before working inside your computer 2 Remove the following a side cover b air shroud 3 To remove the rear system fan assembly a Remove the two screws 1 and press the tab 2 to rotate the rear system fan into the chassi...

Страница 51: ... CAUTION Do not pull the connector by the cable wires Instead disconnect the cable by pulling on the connector end Pulling on the cable wires may loosen them from the connector 4 Lift the system fan assembly from the system Removing and installing components 51 ...

Страница 52: ...e procedure in Before working inside your computer 2 Place the system chassis on the side with the right side cover facing upward 3 Remove the two screws 1 that secure the right side cover to the chassis 4 Slide the side cover back with the handle and then lift it away from the system 2 Installing the right side cover 1 Slide the cover forward and ensure that the hooks on the cover snap into the n...

Страница 53: ...ure in Before working inside the computer 2 Remove the a side cover b front bezel c HDD and ODD bezel d front i o bezel 3 To remove the front HDD and ODD frame gently pry on the latches of the frame 4 Slightly pull the panel and lift it away from the chassis Removing and installing components 53 ...

Страница 54: ...5 Flip the frame 6 Gently press the release tab on the plastic filler and lift it out of the frame 54 Removing and installing components ...

Страница 55: ...7 Holding the blue tag gently pull the optical drive metal filler out of the slot Removing and installing components 55 ...

Страница 56: ...d ODD bezel c front bezel d side cover 5 Follow the procedure in After working inside your computer Slim Optical Disk Drive Removing the slim ODD and ODD latch 1 Follow the procedure in Before working inside the computer 2 Remove the right side cover 3 To remove the ODD a Disconnect the data cable and power cable 1 from the optical drive connector b Slide the blue latch towards the left of the cha...

Страница 57: ...ve the ODD out of the drive bay 5 To remove the ODD bracket from the ODD drive a Push the optical drive latch inwards so that the latch disconnects from the optical drive Removing and installing components 57 ...

Страница 58: ...DD drive and lock it 2 Slide the optical drive into the drive bay from the front of the system until it fits in to place 3 Connect the data cable and power cable to the connectors on the optical drive 4 Install the right side cover 5 Follow the procedure in After working inside your computer 58 Removing and installing components ...

Страница 59: ...efore working inside your computer 2 Remove the a side cover 3 To remove the 5 25 inch optical drive a Disconnect the power cable and the SATA cable from the optical drive b Push down on the release latch 1 c Slide the optical drive out of the system 2 Removing and installing components 59 ...

Страница 60: ... HDD and optical drive bezel d front I O bezel e HDD and optical drive frame 2 Align the screw holes on the bracket with the holes on the optical drive 3 Install the four screws that secure the plastic optical drive bracket to the optical drive 60 Removing and installing components ...

Страница 61: ...and fan control board Removing the power distribution and fan control board 1 Follow the procedure in Before working inside the computer 2 Remove the a PSU b right side cover 3 To remove the power distribution and fan control board a Press the tab on both sides of the connector and disconnect the power cable on the control board 1 b Disconnect the fan cables from the connectors on the control boar...

Страница 62: ...ing the power distribution and fan control board 1 Replace the control board into its slot on the chassis and secure it with the three screws to the chassis 2 Connect the two power cables fan cables PDB power VGA cables to the connectors on the control board 3 Install the a right side cover 62 Removing and installing components ...

Страница 63: ...is 1 b Press the tabs of the connector to disconnect the SATA 0 cable from the connector on the system board 2 c Press the tabs to disconnect the power cable and remove it from the plug 3 d Disconnect the fan cables from the connectors on the power distribution and fan control board 4 CAUTION Do not pull the connector by the cable wires Instead disconnect the cable by pulling on the connector end ...

Страница 64: ...system board 4 Replace the front HDD cable and fan assembly into their slots on the chassis and secure them with screws to the chassis 5 Install the right side cover 6 Follow the procedure in After working inside your computer Fan and sensor cable assembly Precision 7920 Tower may have as many as 12 system fans connected to the system board It is important for technicians to connect these fans to ...

Страница 65: ...Figure 1 Mandatory System Fan Removing and installing components 65 ...

Страница 66: ...ndatory Front System Fans Fan0 cable FAN_SYS0 Mandatory Fan1 cable FAN_SYS1 Mandatory Fan2 cable FAN_SYS2 Mandatory Fan3 cable FAN_SYS3 Mandatory Rear System Fans Fan0 cable FAN_REAR0 Mandatory Fan1 cable FAN_REAR1 Mandatory HDD Fans Fan in Flex0 FAN_FLEX0 Depend on shipped configuration Fan in Flex1 FAN_FLEX1 Fan in Flex2 FAN_FLEX2 Fan in Flex3 FAN_FLEX3 Fan in Flex4 FAN_FLEX4 66 Removing and ins...

Страница 67: ...Mandatory System Fan Removing and installing components 67 ...

Страница 68: ...68 Removing and installing components ...

Страница 69: ...ged to run ePSA after the service is completed to verify if all the fans are detected and working Fan bracket Removing the fan from the fan bracket 1 Follow the procedure in Before working inside your computer 2 Remove the a side cover b system fan 3 To remove the fan from the fan bracket a Slide out the four rubber grommets for each fan from the fan chassis 1 b Lift the fan and remove it from the...

Страница 70: ...t 1 Place the fan into the fan bracket 2 Tighten the grommets that secure the fan to the fan bracket 3 Install the a system fan b side cover 4 Follow the procedure in After working inside your computer 70 Removing and installing components ...

Страница 71: ...e side cover 3 To remove the GPU a 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 c Lift the GPU from the PCIe slot on the system board Removing and installing components 71 ...

Страница 72: ...edure in After working inside your computer Memory Removing the memory module 1 Follow the procedure in Before working inside your computer 2 Remove the following a side cover b air shroud 3 Press the memory module retention tabs on each side of the memory module 4 Lift the memory module out of the memory slot on the system board WARNING Rotating the memory module out of the slot will cause damage...

Страница 73: ...n the module until the levers lock into place unassisted 4 Install the a air shroud b side cover 5 Follow the procedure in After working inside your computer Coin cell battery Removing the coin cell battery 1 Follow the procedure in Before working inside your computer 2 Remove the a side cover b graphical processing unit GPU c air shroud 3 To remove the coin cell battery a Press the release latch ...

Страница 74: ... back into place and secures it to the system board 3 To install a air shroud b graphical processing unit GPU c side cover 4 Follow the procedure in After working inside your computer Processor heat sink module Removing the processor heat sink module 1 Follow the procedure in Before working inside your computer NOTE Ensure that you have Torx 30 screwdriver to remove the processor heat sink module ...

Страница 75: ...he system board CAUTION CPU will be removed with the heat sink Installing the processor heat sink module 1 Place the heat sink on the CPU slot 2 Replace the four screws in the diagonal order 1 2 3 4 to secure the heat sink to the system board 3 Install the a air shroud b side cover 4 Follow the procedure in After working inside your computer Removing and installing components 75 ...

Страница 76: ...heat sink module c Press the other two carrier latchs 2 of the processor carrier and remove it from the slot in the heat sink 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 e Unlatch the CPU from the two keying latches on the processor carrier and gently li...

Страница 77: ... of the carrier is facing up and the triangle mark on the carrier is on the bottom left hand corner 2 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 Removing and installing components 77 ...

Страница 78: ... 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 If they are not aligned repeat the preceding steps 5 Align the processor and carrier assembly with the heat sink so that the triangle marks on the processor and carrier are aligned with the triangle mark on the top side of the heat sink capti...

Страница 79: ...mbly 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 7 Install the processor and heat sink onto the central processing unit CPU socket and then secure the four captive screws on the heat sink to the system board in sequential order 1 2 3 4 Removing and installing com...

Страница 80: ... a heat sink b air shroud c side cover 9 Follow the procedure in After working inside your computer System board System board components Figure 1 Components of the system board 80 Removing and installing components ...

Страница 81: ...3 Power 2 14 Intrusion switch connector 15 System Fan 3 16 Internal speaker connector 17 CPU1 memory slots 18 CPU 0 socket 19 System Fan 2 20 CPU1 memory slots 21 System Fan 1 22 LPC_ESPI_Debug 23 Power cable 1 24 CPU fan 1 25 Coin Cell battery 26 ODD cable 27 Front Panel USB 28 USB 2_Int 29 Flex USB 30 Power remote 31 VROC_key Removing system board 1 Follow the procedure in Before working inside ...

Страница 82: ... h rear system fan 3 Disconnect the following cables from the system board Front panel audio cable 1 Power cable Power control cable Internal chassis speaker cable Intrusion module cable System fan 3 cable 2 4 Disconnect the front panel cables 1 power cable 2 front panel USB 2 cable and DD cable 3 82 Removing and installing components ...

Страница 83: ...onnect the SATA 0 cable from system board NOTE Depending on the system configuration additional cables might need to be disconnected 6 Remove the twelve screws securing the system board to the chassis Removing and installing components 83 ...

Страница 84: ...d slide it back to its position 2 Tighten the screws to secure the system board to the chassis 3 Connect all the cables to the connectors on the system board 4 Install the a rear system fan b processor heat sink module c GPU d memory module e front system fan f PCIe card holder g air shroud 84 Removing and installing components ...

Страница 85: ...ide your computer RAID controller battery Removing the RAID controller battery 1 Follow the procedure in Before working inside your computer 2 Remove the side cover 3 To remove the RAID controller battery a Disconnect the RAID controller battery cable from the RAID controller card b Push the securing tab out to release the RAID controller battery Removing and installing components 85 ...

Страница 86: ...c Lift and remove the RAID controller battery 86 Removing and installing components ...

Страница 87: ...onnect the RAID controller battery cable RAID controller battery bracket Removing the RAID controller battery bracket 1 Follow the procedure in Before working inside your computer 2 Remove the side cover 3 Remove the RAID controller battery 4 To remove the RAID controller battery bracket a Lift up the securing tab 1 and slide the RAID controller battery bracket out 2 Removing and installing compon...

Страница 88: ... controller battery bracket the opposite way it was removed 2 Ensure the tabs on the bracket fits into the holders on the chassis VROC module Removing the VROC module Plug out the VROC module from the system board in the upward direction 88 Removing and installing components ...

Страница 89: ...Installing the VROC module Plug in the VROC module to the system board Removing and installing components 89 ...

Страница 90: ... memory configuration for the Dell Precision Tower 7920 systems The following table illustrates the memory configuration and population rules for the Dell Precision Tower 7920 Technologies list This section provides information about the technologies that comes with the Dell Precision 7920 Tower The following table lists the basic of technologies that are available on the Dell Precision 7920 Tower...

Страница 91: ...el Xeon Bronze 32xx processors Intel Xeon Platinum 82xx processors Intel Xeon Gold 62xx processors 3 Memory DDR4 4 Audio Integrated Realtek ALC3234 High Definition Audio Codec 2 Channel 5 Network NIC Integrated RJ45 6 Graphics Radeon Pro WX 9100 7100 5100 4100 3100 2100 3200 NVIDIA Quadro GP100 Quadro P6000 Quadro P5000 Quadro P4000 Quadro P2000 Quadro P1000 Quadro P600 Quadro P400 Quadro 8000 Qua...

Страница 92: ...adapters bring NVMe performance benefits to the storage tier by providing connectivity and data protection for SAS SATA interfaces Based on the dual core SAS3516 or SAS3508 RAID on Chip ROC and 72 bit DDR4 2133 SDRAM these controllers provide bandwidth and IOPS performance increases and are ideal for high end servers utilizing internal storage or connecting to large scale external storage enclosur...

Страница 93: ...ault flash back up at power fail Supports bad block management Balance protection and performance for critical applications with RAID levels 0 1 5 6 10 50 and 60 Table 4 Features of MegaRAID 9440 8i and 9460 16i controller 9440 8i 9460 16i Ports 8 internal 16 internal Connectors 2 x SFF8643 4 x SFF8643 x4 Storage Interface Support SATA Eight x1 SAS One x8 Two x4 Four x2 Eight x1 NVMe Two x4 Four x...

Страница 94: ...EE OS Support Microsoft Windows VMware vSphere ESXi Red Hat Linux SuSe Linux Ubuntu Linux Oracle Linux CentOS Linux Debian Linux Fedora and FreeBSD Contact Oracle support for Oracle Solaris driver or software support Microsoft Windows VMware vSphere ESXi Red Hat Linux SuSe Linux Ubuntu Linux Oracle Linux CentOS Linux Debian Linux Fedora and FreeBSD Contact Oracle support for Oracle Solaris driver ...

Страница 95: ...e select Always trust software from Teradici Corporation 10 If prompted restart the operating system otherwise skip this step When restarted the host driver software installation process continues when the OS boots up Click Install to continue 11 Click Finish to complete the installation Power management cable configuration for Teradici PCoIP Portal and Host Card If the Dell Precision Workstation ...

Страница 96: ...connector labeled 30 on the system board diagram Make sure the power management cable from the Teradici card is not plugged into either the two pin Clear CMOS or Clear PSWD jumpers 96 Technology and components ...

Страница 97: ...ng a remote restart request to the Teradici card You will then have to reset the time and BIOS settings If the power management cable from the Teradici card is plugged into the Clear PSWD jumper then the BIOS password will be cleared and a new one will need to be configured Technology and components 97 ...

Страница 98: ... Intel Xeon Silver 41xx processors Intel Xeon Bronze 31xx processors Intel Xeon Gold 52xx processors Intel Xeon Silver 42xx processors Intel Xeon Bronze 32xx processors Intel Xeon Platinum 82xx processors Intel Xeon Gold 62xx series processors Total cache Up to 38 5 MB Memory specifications Features Specifications Type DDR4 RDIMM ECC Maximum Frequency Up to 2933 MHz Speed Up to 2933 MHz Connectors...

Страница 99: ...IA NVS 315 NVIDIA Quadro RTX 4000 NVIDIA Quadro RTX 5000 6000 8000 NVIDIA GeForce RTX 2080 B Audio specifications Features Specifications Type High Definition Audio Codec 2 Channel Controller Integrated Realtek ALC3234 Internal Speaker Power Rating 2W Internal microphone support no Network specifications Features Specifications Integrated Intel i219 and i210 Gigabit Ethernet controllers with Intel...

Страница 100: ...4 x 1TB drives 2 drives per CPU Requires dual CPU config Up to 8 x 3 5 or 2 5 SATA Drives Up to 10 x 3 5 or 2 5 SATA SAS Drives with optional controller External connectors Features Specifications Audio Rear 1 x Audio Line out Rear 1 x Audio Line in Microphone Front 1 x Universal Audio Jack Network Rear 2 x RJ45 Network ports Serial port Rear 1 x Serial port USB Front 2 x USB 3 1 Gen 1 and 2 x USB...

Страница 101: ...at 5000 ft the maximum operating ambient temperature is derated by 1 C 1 8 F per 1000 ft up to 10 000 ft Storage 40 C to 65 C 40 F to 149 F Relative humidity maximum Specifications Operating 8 to 85 non condensing Storage 5 to 95 non condensing Maximum vibration Specifications Operating 0 52 Grms 5 to 350 Hz Storage 2 0 Grms 5 to 500 Hz Maximum Shock Specifications Operating 40 G half sine 2 5 ms ...

Страница 102: ...your computer System Information Memory Configuration Processor Information Device Information PCI Information Boot Sequence Allows you to change the order in which the computer attempts to find an operating system Diskette Drive USB Storage Device CD DVD CD RW Drive Onboard NIC Internal HDD Boot List Option Allows you to change the boot list option Legacy UEFI Advanced Boot Options Allows you to ...

Страница 103: ...led w PXE Default Integrated NIC 2 Allows you to configure the integrated network controller The options are Enabled Default Enabled w PXE NOTE This feature is supported only on Tower 7920 UEFI Network Stack Allows pre OS and early OS networking features to use any enabled NICs Enabled UEFI Network Stack This option is set by default Serial Port Identifies and defines the serial port settings You ...

Страница 104: ...echnology specification Enable SMART Reporting This option is disabled by default USB Configuration Allows you to enable or disable the internal USB configuration The options are Enable Boot Support Enable Front USB Ports Enable internal USB ports Enable rear USB Ports HDD Fans Allows you to control the HDD fans Default Setting depends on the system configuration Audio Allows you enable or disable...

Страница 105: ...ong passwords Default Setting Enable Strong Password is not selected Password Configuration You can define the length of your password Min 4 Max 32 Password Bypass Allows you to enable or disable the permission to bypass the System password when it is set The options are Disabled Default Reboot bypass Password Change Allows you to enable the disable permission to the System passwords when the admi...

Страница 106: ...ockout Allows you to prevent users from entering Setup when an administrator password is set Enable Admin Setup Lockout Default Setting The option is disabled Secure boot Table 9 Secure Boot Option Description Secure Boot Enable Allows you to enable or disable the Secure Boot Feature The options are Disabled Default Enabled Expert Key Management Allows you to enable or disable Custom Mode Key Mana...

Страница 107: ...r Thread Control Allows you to enable or disable the HyperThreading in the processor Default Setting Enabled Cache Prefetch Default Setting Enable Hardware Prefetch and Adjacent Cache Line Prefetch Dell Reliable Memory Technology RMT Allows you to identify and isolate memory errors in system RAM Default Setting Enable Dell Reliable Memory Technology RMT System Isochronous Mode Allows you to enable...

Страница 108: ...led in the operating system This feature only works when the computer is connected to AC power supply Disabled Does not allow the system to power on by special LAN signals when it receives a wake up signal from the LAN or wireless LAN LAN Only Allows the system to be powered on by special LAN signals LAN with PXE Boot Allows the system to power on and immediately boot to PXE when it receives a wak...

Страница 109: ...lize the additional hardware capabilities provided by Intel Trusted Execution Program Trusted Execution This option is disabled by default Maintenance Table 14 Maintenance Option Description Service Tag Displays the service tag of your computer Asset Tag Allows you to create a system asset tag if an asset tag is not already set This option is not set by default SERR Messages Controls the SERR mess...

Страница 110: ...S on systems with BitLocker enabled CAUTION If BitLocker is not suspended before updating the BIOS the next time you reboot the system it will not recognize the BitLocker key You will then be prompted to enter the recovery key to progress and the system will ask for this on each reboot If the recovery key is not known this can result in data loss or an unnecessary operating system reinstall For mo...

Страница 111: ...OS supports this BIOS update option NOTE Only systems with BIOS Flash Update option in the F12 One Time Boot Menu can use this function Updating from the One Time Boot Menu To update your BIOS from the F12 One Time boot menu you will need USB key formatted to the FAT32 file system key does not have to be bootable BIOS executable file that you downloaded from the Dell Support website and copied to ...

Страница 112: ...3 The Bios flash menu will open then click the Flash from file 4 Select external USB device 112 System Setup ...

Страница 113: ...5 Once the file is selected Double click the flash target file then press submit 6 Click the Update BIOS then system will reboot to flash the BIOS System Setup 113 ...

Страница 114: ...tual Drives Drives Available size Hot spare drives PD Mgmt Physical Drive Management This screen displays basic information about existing physical drives connected to the selected controller including drive ID vendor size type and state and allows you to manage physical drives Press F2 to show the context menu Rebuild Copyback Locate Place Drive online Place drive offline Make Global HS Remove Ho...

Страница 115: ...rity screen is displayed 2 Select System Admin Password and create a password in the Enter the new password field Use the following guidelines to assign the system password A password can have up to 32 characters The password can contain the numbers 0 through 9 Only lower case letters are valid upper case letters are not allowed Only the following special characters are allowed space 3 Type the sy...

Страница 116: ...the new password when prompted If you delete the System and Setup password confirm the deletion when prompted 5 Press Esc and a message prompts you to save the changes 6 Press Y to save the changes and exit from System Setup The computer restarts 116 System Setup ...

Страница 117: ...ing drivers 1 Turn on the computer 2 Go to Dell com support 3 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 4 Click Drivers and Downloads 5 Select the operating system installed on your system 6 Scroll down the page and select the driver to install 7 Click...

Страница 118: ...Graphics controller driver Verify if the graphics controller driver is already installed in the computer USB drivers Verify if the USB drivers are already installed in the computer 118 Software ...

Страница 119: ...ivers for the ports are already installed in the computer Storage controller drivers Verify if the storage controller drivers are installed in the computer Other drivers This section lists driver details for all the other components in the Device Manager Security device drivers Verify if the security device drivers are installed in the computer Software device drivers Verify if the software device...

Страница 120: ...Human Interface Devices Verify if the Human Interface device drivers are installed in the computer Portable Devices Verify if the portable device drivers are installed in the computer 120 Software ...

Страница 121: ...sment window displays listing all devices detected in the computer The diagnostics starts running the tests on all the detected devices 4 Press the arrow in the lower right corner to go to the page listing The detected items are listed and tested 5 To run a diagnostic test on a specific device press Esc and click Yes to stop the diagnostic test 6 Select the device from the left pane and click Run ...

Страница 122: ...ot the issue with system board contact Tech support 1 2 1 amber blink followed by a short pause 2 white blinks long pause then repeats Bad system board Power Supply or Power Supply cabling If you can assist to troubleshoot narrow down the issue with PSU BIST Test reseat cable If nothing works contact Tech Support 1 3 1 amber blink followed by a short pause 3 white blinks long pause then repeats Ba...

Страница 123: ... blinks long pause then repeats Invalid memory installed Memory subsystem configuration activity is in progress Memory modules have been detected but appear to be incompatible or in an invalid configuration If customer can assist to troubleshoot narrow down the issue by removing one by one the memory on motherboard to determine which one failed Contact Tech Support 2 6 2 amber blinks followed by a...

Страница 124: ...epeats PCIe Add in Card population issue PCI device is installed on CPU1 slot and CPU1 is not installed If you can assist to troubleshoot move all PCIe card in CPU1 slot to CPU0 slot An alternative would be install an identical CPU as CPU0 to CPU1 socket Contact Tech Support 4 6 4 amber blinks followed by a short pause 6 white blinks long pause then repeats RAID Volume degraded RAID volume is degr...

Страница 125: ... LED indicator indicates whether the hard drive is currently in use or not The status LED indicator indicates the power condition of the drive Hard drive indicators NOTE LED status or activity indicators will only work with a backplane with each carriers shown below Figure 4 Hard drive indicators 1 hard drive activity LED indicator 2 hard drive status LED indicator 3 hard drive Troubleshooting 125...

Страница 126: ...r second Identifying drive or preparing for removal Off Drive ready for removal NOTE The drive status indicator remains off until all drives are initialized after the system is turned on Drives are not ready for removal during this time Flashes green amber and then turns off Predicted drive failure Flashes amber four times per second Drive failed Flashes green slowly Drive rebuilding Solid green D...

Страница 127: ... 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 1 Go to Dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the appropriate service or support link based on...

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