Dell OptiPlex 990 Mini-Tower Service Manual Download Page 23

Page: 23 / 97

Memory

Removing the Memory

1. Follow the procedures in

Before Working Inside Your Computer

2. Remove the

cover

3. Release the memory-retention clips on each side of the memory modules.

4. Lift the memory modules out of the connectors on the system board.

Summary of Contents for OptiPlex 990 Mini-Tower

Page 1: ...Dell OptiPlex 990 Mini Tower Service Manual Regulatory Model D09M Regulatory Type D09M001 ...

Page 2: ...ks of Intel Corporation in the U S and other countries AMD is a registered trademark and AMD Opteron AMD Phenom AMD Sempron AMD Athlon ATI Radeon and ATI FirePro are trademarks of Advanced Micro Devices Inc Microsoft Windows MS DOS Windows Vista the Windows Vista start button and Office Outlook are either trademarks or registered trademarks of Microsoft Corporation in the United States and or othe...

Page 3: ... 11 Removing the Cover 11 Installing the Cover 12 3 Front Bezel 13 Removing the Front Bezel 13 Installing The Front Bezel 14 4 Expansion Card Tab 15 Removing the Expansion Card 15 Installing The Expansion Card 17 5 Optical Drive 19 Removing the Optical Drive 19 Installing The Optical Drive 20 6 Hard Drive 21 Removing the Hard Drive 21 Installing The Hard Drive 22 7 Memory 23 Removing the Memory 23...

Page 4: ...d Processor 31 11 Coin Cell Battery 33 Removing The Coin Cell Battery 33 Installing The Coin Cell Battery 34 12 Power Switch Cable 35 Removing the Power Switch Cable 35 Installing the Power Switch Cable 36 13 Front Thermal Sensor 39 Removing the Front Thermal Sensor 39 Installing the Front Thermal Sensor 40 14 Chassis Fan 41 Removing The System Fan 41 Installing the System Fan 42 15 Input Output P...

Page 5: ...em Board 52 18 System Setup 53 System Setup 53 Boot Menu 53 Boot Menu Enhancements 53 Timing Key Sequences 54 Beep Codes and Text Error Messages 55 Navigation 55 System Setup Options 55 19 Troubleshooting 67 Diagnostic LEDs 67 Beep Codes 74 Error Messages 77 20 Specifications 87 Technical Specifications 87 21 Contacting Dell 97 Contacting Dell 97 ...

Page 6: ...6 ...

Page 7: ...pliance Homepage at www dell com regulatory_compliance CAUTION Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow ...

Page 8: ...ver from being scratched 2 Turn off your computer see Turning Off Your Computer CAUTION To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device 3 Disconnect all network cables from the computer 4 Disconnect your computer and all attached devices from their electrical outlets 5 Press and hold the power button while the computer is un...

Page 9: ...ices 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 After Working Inside Your Computer After you complete any replacement procedure ensure you connect any external devices cards and cables before turning on your computer 1 Replace the cover CAUTION To c...

Page 10: ...10 ...

Page 11: ...g the Cover 1 Follow the procedures in Before Working Inside Your Computer 2 Pull up the cover release latch at the side of the computer 3 Lift the cover upward to a 45 degree angle and remove it from the computer 11 ...

Page 12: ...Installing the Cover 1 Place the cover on the computer 2 Press down on the cover till it clicks into place 3 Follow the procedures in After Working Inside Your Computer 12 ...

Page 13: ...fore Working Inside Your Computer 2 Remove the cover 3 Pry the front bezel retention clips away from the chassis located at the side edge of front bezel 4 Rotate the bezel away from the computer to release the hooks on the opposite edge of the bezel from the chassis 13 ...

Page 14: ...om edge of the front bezel into the slots on the chassis front 2 Rotate the bezel toward the computer to engage the four front bezel retention clips until they click into place 3 Install the cover 4 Follow the procedures in After Working Inside Your Computer 14 ...

Page 15: ...he release tab on the card retention latch outward 4 Pull the release lever away from the PCIe x16 card to release the securing tab from the dent in the card Then ease the card up and out of its connector and remove it from the computer 5 Lift the PCIe x1 expansion card if any up and out of its connector and remove it from the computer 15 ...

Page 16: ...6 Lift the PCI expansion card if any up and out of its connector and remove it from the computer 7 Lift the PCI x4 expansion card if any up and out of its connector and remove it from the computer 16 ...

Page 17: ...nd press down to secure it in place 3 Insert the PCIe x1 card if any into the connector on the system board and press down to secure it in place 4 Insert the PCIe x16 card if any into the connector on the system board and press down to secure it in place 5 Press the retention tab on the card retention latch downwards 6 Install the cover 7 Follow the procedures in After Working Inside Your Computer...

Page 18: ...18 ...

Page 19: ... Remove the cover 3 Remove the front bezel 4 Remove the data cable and power cable from the back of the optical drive 5 Slide down the optical drive latch and then push the optical drive from the back towards the front of the computer 6 Repeat steps 4 and 5 to remove the second optical drive if available 19 ...

Page 20: ...ve latch and push the optical drive from the front towards the back of the computer 2 Connect the data cable and power cable to the optical drive 3 Install the front bezel 4 Install the cover 5 Follow the procedures in After Working Inside Your Computer 20 ...

Page 21: ...ide Your Computer 2 Remove the cover 3 Remove the data cable and power cable from the back of the hard drive 4 Press both blue securing bracket tabs inwards and lift the hard drive bracket out of the bay 5 Flex the hard drive bracket and then remove the hard drive from the bracket 21 ...

Page 22: ...cket and then insert the hard drive into the bracket 2 Press both blue securing bracket tabs inward and slide the hard drive bracket into the bay in the chassis 3 Connect the data cable and power cable to the back of the hard drive 4 Install the cover 5 Follow the procedures in After Working Inside Your Computer 22 ...

Page 23: ...ry 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the cover 3 Release the memory retention clips on each side of the memory modules 4 Lift the memory modules out of the connectors on the system board 23 ...

Page 24: ...nectors on the system board Install the memory module in the order of A1 B1 A2 B2 2 Press down on the memory modules until the retention clips spring back to secure them in place 3 Install the cover 4 Follow the procedures in After Working Inside Your Computer 24 ...

Page 25: ...Intrusion Switch 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the cover 3 Disconnect the intrusion switch cable from system board 4 Slide the intrusion switch toward the chassis bottom and remove it from the system board 25 ...

Page 26: ...sert the intrusion switch into the chassis rear and slide it toward the chassis top to secure it 2 Connect the intrusion switch cable to the system board 3 Install the cover 4 Follow the procedures in After Working Inside Your Computer 26 ...

Page 27: ...dures in Before Working Inside Your Computer 2 Remove the cover 3 Disconnect the speaker cable from the system board 4 Unthread the speaker cable from the chassis clip 5 Press down the speaker securing tab and slide the speaker upwards to remove it 27 ...

Page 28: ...er securing tab and slide the speaker downward to secure it 2 Thread the speaker cable into the chassis clip 3 Connect the speaker cable to the system board 4 Install the cover 5 Follow the procedures in After Working Inside Your Computer 28 ...

Page 29: ...e the cover 3 Disconnect the heat sink assembly cable from the system board 4 Loosen the captive screws that secure the heat sink assembly to the system board 5 Lift the heat sink assembly upwards and remove it from the computer Lay the assembly with the fan facing downwards and with the thermal grease facing upwards 29 ...

Page 30: ...elease lever down and then move it outwards to release it from the retention hook that secures it 7 Lift the processor cover 8 Lift the processor to remove it from the socket and place it in an antistatic package 30 ...

Page 31: ...ess the release lever down and then move it inward to secure it with the retention hook 4 Place the heat sink assembly into the chassis 5 Tighten the captive screws to secure the heat sink assembly to the system board 6 Connect the heat sink assembly cable to the system board 7 Install the cover 8 Follow the procedures in After Working Inside Your Computer 31 ...

Page 32: ...32 ...

Page 33: ...Battery 1 Follow the procedures in Before Working Inside Your Computer 2 Remove the cover 3 Press the release latch away from the coin cell battery to allow the battery to pop up from the socket 4 Lift the coin cell battery out of the computer 33 ...

Page 34: ...Cell Battery 1 Place the coin cell battery into its slot on the system board 2 Press the coin cell battery downwards until it is secured 3 Install the cover 4 Follow the procedures in After Working Inside Your Computer 34 ...

Page 35: ... Before Working Inside Your Computer 2 Remove the cover 3 Remove the front bezel 4 Remove the optical drive 5 Disconnect the power switch cable from the system board 6 Unthread the power switch cable from the chassis clips 7 Unthread the power switch cable from the chassis clip 35 ...

Page 36: ... front of the computer Installing the Power Switch Cable 1 Slide the power switch cable in through the front of the computer 2 Secure the power switch cable to the chassis 3 Thread the power switch cable into the chassis clips 4 Connect the power switch cable to the system board 36 ...

Page 37: ...5 Install the optical drive 6 Install the front bezel 7 Install the cover 8 Follow the procedures in After Working Inside Your Computer 37 ...

Page 38: ...38 ...

Page 39: ...ollow the procedures in Before Working Inside Your Computer 2 Remove the cover 3 Disconnect the thermal sensor cable from the system board 4 Unthread the thermal sensor cable from the chassis clip 5 Pry the thermal sensor away from the chassis front and remove 39 ...

Page 40: ...cure the thermal sensor to the chassis front 2 Thread the thermal sensor cable into the chassis clips 3 Connect the thermal sensor cable to the system board 4 Install the cover 5 Follow the procedures in After Working Inside Your Computer 40 ...

Page 41: ...1 Follow the procedures in Before Working Inside Your Computer 2 Remove the cover 3 Disconnect the system fan cable from the system board 4 Pry and remove the system fan away from the four grommets securing it to the back of the computer 41 ...

Page 42: ... in the chassis 2 Pass the four grommets through the chassis and slide outward along the grooves to secure them in place 3 Connect the fan cable to the system board 4 Install the cover 5 Follow the procedures in After Working Inside Your Computer 42 ...

Page 43: ... Inside Your Computer 2 Remove the cover 3 Remove the front bezel 4 Disconnect the Input Output Panel and FlyWire cable from the system board 5 Unthread the Input Output Panel and FlyWire cable from the clip on the computer 6 Remove the screw that secures the Input Output panel to the computer 43 ...

Page 44: ...8 Remove the Input Output panel by routing the cable through the front of the computer Installing the Input Output Panel 1 Insert the Input Output panel into the slot on the chassis front 2 Slide the Input Output panel towards the right of the computer to secure to the chassis 44 ...

Page 45: ... chassis 4 Thread the Input Output panel or the FlyWire cable into the chassis clip 5 Connect the Input Output panel or the FlyWire cable to the system board 6 Install the front bezel 7 Install the cover 8 Follow the procedures in After Working Inside Your Computer 45 ...

Page 46: ...46 ...

Page 47: ...ures in Before Working Inside Your Computer 2 Remove the cover 3 Disconnect the power cables connected to the hard drive s and optical drive s 4 Unthread the power cables from the clips in the computer 5 Disconnect the 24 pin power cable from the system board 47 ...

Page 48: ...r cable from the system board 7 Remove the screws that secure the power supply to the back of the computer 8 Push in on the blue release tab beside the power supply and slide the power supply towards the front of the computer 48 ...

Page 49: ...he screws securing the power supply to the back of the computer 3 Connect the 4 pin power cable to the system board 4 Connect the 24 pin power cable to the system board 5 Thread the power cables into the chassis clips 6 Connect the power cables connected to the hard drives s and optical drive s 7 Install the cover 8 Follow the procedures in After Working Inside Your Computer 49 ...

Page 50: ...50 ...

Page 51: ...Before Working Inside Your Computer 2 Remove the cover 3 Remove the front bezel 4 Remove the expansion card 5 Remove the heat sink and processor 6 Disconnect all the cables connected to the system board 7 Remove the screws that secure the system board to the computer 51 ...

Page 52: ...he system board to the port connectors on the back of the chassis and place the system board in the chassis 2 Tighten the screws securing the system board to the chassis 3 Connect the cables to the system board 4 Install the heatsink and processor 5 Install the expansion card 6 Install the front bezel 7 Install the cover 8 Follow the procedures in After Working Inside Your Computer 52 ...

Page 53: ...evice for example floppy CD ROM or hard drive Keystroke Function Ctrl Alt F8 one time boot and diagnostics utility menu F12 one time boot and diagnostics utility menu Boot Menu Enhancements The boot menu enhancements are as follows Easier access Although the Ctrl Alt F8 keystroke still exists and can be used to call up the menu simply press F12 during system boot to access the menu User prompting ...

Page 54: ... Sequences The keyboard is not the first device initialized by Setup As a result if you press a keystroke too early you lock out the keyboard When this happens a keyboard error message appears on the monitor and you cannot restart the system with the Ctrl Alt Del keys To avoid this scenario wait until the keyboard is initialized before pressing the keystroke There are two ways to know that this ha...

Page 55: ...the BIOS screens Action Keystroke Expand and collapse field Enter left or right arrow key or Expand or collapse all fields Exit BIOS Esc Remain in Setup Save Exit Discard Exit Change a setting Left or right arrow key Select field to change Enter Cancel modification Esc Reset defaults Alt F or Load Defaults menu option System Setup Options NOTE Depending on the computer and its installed devices th...

Page 56: ...ou to specify the order in which the computer attempts to find an operating system The options are Diskette drive USB Storage Device CD DVD CD RW Drive Onboard NIC SATA CD DVD CD RW Drive Boot List Option Legacy UEFI Date Time Allows you to set the date and time Changes to the system date and time take effect immediately System Configuration Integrated NIC Allows you to enable or disable the integ...

Page 57: ... enable or disable the various on board drives SATA 0 SATA 1 SATA 2 SATA 3 Smart Reporting This field controls whether hard drive errors for integrated drives are reported during system startup This technology is part of the SMART Self Monitoring Analysis and Reporting Technology specification This option is disabled by default USB Configuration This field configures the integrated USB controller ...

Page 58: ...This option is disabled by default NOTE The Video setting will only be visible when a video card is installed in the system Security Internal HDD 1 Password Allows you to set change or delete the password on the system s internal hard disk drive HDD Successful changes to this password take effect immediately By default the drive will not have a password set Enter the old password Enter the new pas...

Page 59: ...hen an administrator password is set Allow Non Admin Password Changes This option is enabled by default Non Admin Setup Changes This option lets you determine whether changes to the setup option are permitted when an administrator password is set Allow Wireless Switch Changes This option is disabled by default TPM Security This option lets you control whether the Trusted Platform Module TPM in the...

Page 60: ...ation screens via the hotkey One Time Enable User may enter OROM configuration screens via the hotkeys on next boot only After next boot the setting will revert to disabled Disable User may not enter OROM configuration screens via the hotkey This option is set to Enable by default Admin Setup Lockout Allows you to enable or disable the option to enter Setup when an Admin password is set This optio...

Page 61: ...pplied after a power loss You can set the AC Recovery to Power Off default Power On Last State Auto On Time Allows you to set the option to automatically turn on the computer Time is kept in standard 12 hour format hour minutes seconds Change the startup time by typing the values in the time and AM PM fields NOTE This feature does not work if you turn off your computer using the switch on a power ...

Page 62: ...fault Keyboard Errors Allows you to enable or disable the keyboard error reporting when the computer starts This option is enabled by default POST Hotkeys Allows you to specify the function keys to display on the screen when the computer starts Enable F12 Boot menu enabled by default Fast Boot This option can speed up the boot process by bypassing some compatibility steps Minimal The system boots ...

Page 63: ...mechanism This option is not set by default Some graphics cards require that the SERR message mechanism be disabled Image Server Lookup Method Specifies how the ImageServer looks up the server address Static IP DNS enabled by default NOTE This field is only relevant when the Integrated NIC control in the System Configuration group is set to Enabled with ImageServer ImageServer IP Specifies the pri...

Page 64: ...uration group is set to Enabled with ImageServer and when Client DHCP is set to Static IP Client Subnet Mask Specifies the subnet mask of the client The default setting is 255 255 255 255 NOTE This field is only relevant when the Integrated NIC control in the System Configuration group is set to Enabled with ImageServer and when Client DHCP is set to Static IP Client Gateway Specifies the gateway ...

Page 65: ...ents Displays the DellDiag event log Thermal Events Displays the thermal event log and allows you to Clear Log Power Events Allows you to clear the power event logs Clear Log BIOS Progress Events Displays the BIOS Progress event log 65 ...

Page 66: ...66 ...

Page 67: ...ible The system now includes pre POST and POST LEDs in an attempt to help identifying a possible problem with the system easier and more accurate NOTE The diagnostic lights will blink when the power button is amber or off and will not blink when it is blue This has no other significance Diagnostic Light Patterns LED Power Button Problem Description The computer is either turned off or is not recei...

Page 68: ...Button Problem Description A possible system board power supply or peripheral failure has occurred Troubleshooting Steps Power off computer leaving the computer plugged in Press and hold the power supply test button at the rear of the power supply unit If the LED next to the switch illuminates the problem may be with your system board If the LED next to the switch does not illuminate disconnect al...

Page 69: ...rts normally continue to install additional memory modules one at a time until you have identified a faulty module or reinstalled all modules without error If only one memory module is installed try moving it to a different DIMM connector and re start the computer If available install verified working memory of the same type into your computer LED Power Button Problem Description BIOS may be corru...

Page 70: ...from the power supply unit LED Power Button Problem Description Possible peripheral card or system board failure has occurred Troubleshooting Steps Remove all peripheral cards from the PCI and PCI E slots and re start the computer If the computer boots add the peripheral cards back one by one until you find the bad one LED Power Button Problem Description A possible system board failure has occurr...

Page 71: ...processor failure has occurred Troubleshooting Steps Re seat the processor LED Power Button Problem Description Memory modules are detected but a memory failure has occurred Troubleshooting Steps If two or more memory modules are installed remove the modules then re install one module and re start the computer If the computer starts normally continue to install additional memory modules one at a t...

Page 72: ...install all USB devices and check all cable connections LED Power Button Problem Description No memory modules are detected Troubleshooting Steps If two or more memory modules are installed remove the modules then reinstall one module and restart the computer If the computer starts normally continue to install additional memory modules one at a time until you have identified a faulty module or rei...

Page 73: ... Power Button Problem Description A possible expansion card failure has occurred Troubleshooting Steps Determine if a conflict exists by removing an expansion card not a graphics card and restarting the computer If the problem persists reinstall the card you removed then remove a different card and restart the computer Repeat this process for each expansion card installed If the computer starts no...

Page 74: ...oard If there is an error message on the screen identifying a problem with a device hard drive check the device to make sure it is functioning properly If the operating system is attempting to boot from a device optical drive check system setup to ensure the boot sequence is correct for the devices installed on your computer Beep Codes The computer can emit a series of beeps during start up if the...

Page 75: ...ion failure Code 1 2 3 Cause DMA page register read write failure Code 1 3 1 through 2 4 4 Cause DIMMs not being properly identified or used Code 3 1 1 Cause Slave DMA register failure Code 3 1 2 Cause Master DMA register failure Code 3 1 3 Cause Master interrupt mask register failure Code 3 1 4 Cause Slave interrupt mask register failure Code 3 2 2 Cause Interrupt vector loading failure 75 ...

Page 76: ...est failure Code 3 4 1 Cause Screen initialization failure Code 3 4 2 Cause Screen retrace failure Code 3 4 3 Cause Search for video ROM failure Code 4 2 1 Cause No time tick Code 4 2 2 Cause Shutdown failure Code 4 2 3 Cause Gate A20 failure Code 4 2 4 Cause Unexpected interrupt in protected mode Code 4 3 1 Cause Memory failure above address 0FFFFh 76 ...

Page 77: ...e 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 Technical Support Description The computer failed to complete the boot routine three consecutive times for the ...

Page 78: ... correctly put spaces in the proper place and used the correct pathname Bad error correction code ECC on disk read Description The floppy or hard drive controller detected an uncorrectable read error Controller has failed Description The hard drive or the associated controller is defective Data error Description The floppy or hard drive cannot read the data For the Windows operating system run the...

Page 79: ... the drive access light turns on try a different disk Diskette subsystem reset failed Description The floppy drive controller may be faulty Gate A20 failure Description One or more memory modules may be faulty or improperly seated Reinstall the memory modules and if necessary replace them General failure Description The operating system is unable to carry out the command This message is usually fo...

Page 80: ...uration information does not match the hardware configuration Invalid Memory configuration please populate DIMM1 Description DIMM1 slot does not recognize a memory module The module should be re seated or installed Keyboard failure Description A cable or connector may be loose or the keyboard or keyboard mouse controller may be faulty Memory address line failure at address read value expecting val...

Page 81: ... be faulty or improperly seated Reinstall the memory modules and if necessary replace them Memory odd even logic failure at address read value expecting value Description A memory module may be faulty or improperly seated Reinstall the memory modules and if necessary replace them Memory write read failure at address read value expecting value Description A memory module may be faulty or improperly...

Page 82: ...oning Non system disk or disk error Description The floppy disk in drive A does not have a bootable operating system installed on it Either replace the floppy disk with one that has a bootable operating system or remove the floppy disk from drive A and restart the computer Not a boot diskette Description The operating system is trying to boot to a floppy disk that does not have a bootable operatin...

Page 83: ...r could not find a particular sector on the disk or the requested sector is defective Reset failed Description The disk re set operation failed Sector not found Description The operating system cannot locate a sector on the floppy or hard drive Seek error Description The operating system cannot find a specific track on the floppy disk or hard drive Shutdown failure Description A chip on the system...

Page 84: ...de of normal specifications It is advisable to immediately back up your data and replace your hard drive by calling your support desk or Dell Description During initial startup the drive detected possible error conditions When your computer finishes booting immediately back up your data and replace your hard drive for installation procedures see Adding and Removing Parts for your computer type If ...

Page 85: ...drive Description The operating system cannot write to the floppy or hard drive X is not accessible The device is not ready Description The floppy drive cannot read the disk Insert a floppy disk into the drive and try again 85 ...

Page 86: ...86 ...

Page 87: ... view information about your computer Processor Processor type Intel Core i3 series Intel Core i5 series Intel Core i7 series Intel Pentium series Intel Celeron series Total Cache Up to 8 MB cache depending on processor type Memory Type DDR3 Speed 1333 MHz Connectors Desktop Mini Tower Small Form Factor four DIMM slots Ultra Small Form Factor two DIMM slots Capacity 1 GB 2 GB and 4 GB Minimum Memo...

Page 88: ...io Integrated four Channel High Definition Audio Network Integrated Intel 82579LM Ethernet capable of 10 100 1000 Mb s communication System Information System Chipset Intel 6 Series Express Chipset DMA Channels two 82C37 DMA controllers with seven independently programmable channels Interrupt Levels Integrated I O APIC capability with 24 interrupts BIOS Chip NVRAM 80 MB 10 MB Expansion Bus Bus Typ...

Page 89: ...height cards Desktop up to three low profile cards Small Form Factor up to two low profile cards Ultra Small Form Factor none PCI Express x16 Mini Tower up to two full height cards Desktop up to two low profile cards Small Form Factor up to two low profile cards Ultra Small Form Factor none Mini PCI Express Mini Tower none Desktop none Small Form Factor none Ultra Small Form Factor up to one half ...

Page 90: ...one Ultra Small Form Factor none 2 5 inch SATA drive bays Mini Tower two Desktop one Small Form Factor one Ultra Small Form Factor one External Connectors Audio Back Panel two connectors for line out and line in microphone Front Panel two connectors for microphone and headphone Network Adapter one RJ45 connector Serial one 9 pin connector 16550C compatible Parallel one 25 pin connector optional fo...

Page 91: ...i Tower Desktop one 120 pin connector Small Form Factor Ultra Small Form Factor none PCI Express x1 data width maximum one PCI Express lane Mini Tower Desktop one 36 pin connector Small Form Factor Ultra Small Form Factor none PCI Express x16 wired as x4 data width maximum four PCI Express lanes Mini Tower Desktop Small Form Factor one 164 pin connector Ultra Small Form Factor none PCI Express x16...

Page 92: ... 7 pin connectors Memory Mini Tower Desktop Small Form Factor four 240 pin connectors Ultra Small Form Factor two 240 pin connectors Internal USB Mini Tower Desktop one 10 pin connector Small Form Factor Ultra Small Form Factor none System Fan one 5 pin connector Front panel control Mini Tower Desktop Small Form Factor one 34 pin and one 5 pin connector Ultra Small Form Factor one 20 pin and one 1...

Page 93: ...4 pin connector Controls and Lights Front of the computer Power button light Blue light Solid blue light indicates power on state blinking blue light indicates sleep state of the computer Amber light Solid amber light when the computer does not start indicates a problem with the system board or power supply Blinking amber light indicates a problem with the system board Drive activity light Blue li...

Page 94: ...nnection to the network Network activity light on integrated network adapter Yellow light A blinking yellow light indicates that network activity is present Power supply diagnostic light Green light The power supply is turned on and is functional The power cable must be connected to the power connector at the back of the computer and the electrical outlet NOTE You can test the health of the power ...

Page 95: ...wer supply wattage rating Physical Height Width Depth Weight Mini Tower 36 00 cm 14 17 inches 17 50 cm 6 89 inches 41 70 cm 16 42 inches 8 87 kg 19 55 lb Desktop 36 00 cm 14 17 inches 10 20 cm 4 01 inches 41 00 cm 16 14 inches 7 56 kg 16 67 lb Small Form Factor 29 00 cm 11 42 inches 9 26 cm 3 65 inches 31 20 cm 12 28 inches 5 70 kg 12 57 lb Ultra Small Form Factor 23 70 cm 9 33 inches 6 50 cm 2 56...

Page 96: ... GRMS Maximum shock Operating 40 G Storage 105 G Altitude Operating 15 2 m to 3048 m 50 ft to 10 000 ft Storage 15 2 m to 10 668 m 50 ft to 35 000 ft Airborne contaminant level G1 or lower as defined by ANSI ISA S71 04 1985 96 ...

Page 97: ...isit support dell com 2 Verify your country or region in the Choose a Country Region drop down menu at the bottom of the page 3 Click Contact Us on the left side of the page 4 Select the appropriate service or support link based on your need 5 Choose the method of contacting Dell that is convenient for you 97 ...

Search results

Summary of Contents for OptiPlex 990 Mini-Tower

Reviews:

Related manuals for OptiPlex 990 Mini-Tower

Brands by name

Popular brands

Dell OptiPlex 990 Mini-Tower, Service Manual

Search results

Summary of Contents for OptiPlex 990 Mini-Tower

Reviews:

Related manuals for OptiPlex 990 Mini-Tower

Brands by name

Popular brands