Dell OptiPlex 790 (Early 2011) Bedienungshandbuch

Dell OptiPlex 790 Mini-Tower Owner'sManualRegulatory Model D09MRegulatory Type D09M001

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Cover 2Removing the Cover1. Follow the procedures in Before Working Inside Your Computer.2. Pull up the cover-release-latch at the side of the compute

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Front Bezel 3Removing the Front Bezel1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Pry the front bezel retent

Installing The Front Bezel1. Insert the hooks along the bottom edge of the front bezel into the slots onthe chassis front.2. Rotate the bezel toward t

Expansion Card 4Removing the Expansion Card1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Push the release tab

6. Lift the PCI expansion card (if any) up and out of its connector and removeit from the computer.7. Lift the PCI x4 expansion card (if any) up and o

Installing The Expansion Card1. Insert the PCIe x4 card into the connector on the system board and pressdown to secure it in place.2. Insert the PCIe

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Optical Drive 5Removing the Optical Drive1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Remove the front bezel

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of yourcomputer.CAUTION: A CAUTION indicates

6. Repeat steps 4 and 5 to remove the second optical drive (if available).Installing The Optical Drive1. Slide up the optical-drive latch and push the

Hard Drive 6Removing the Hard Drive1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Remove the data cable and po

6. Repeat the above steps for the second hard drive, if available.Installing The Hard Drive1. Flex the hard-drive bracket and then insert the hard dri

Memory 7Removing the Memory1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Release the memory-retention clips o

Installing the Memory1. Insert the memory modules into the connectors on the system board. Installthe memory module in the order of A1 > B1 > A2

Chassis Intrusion Switch 8Removing The Chassis Intrusion Switch1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3.

Installing the Intrusion Switch1. Insert the intrusion switch into the chassis rear and slide it toward thechassis top to secure it.2. Connect the int

Speaker 9Removing The Speaker1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Disconnect the speaker cable from

Installing the Speaker1. Press the speaker-securing tab and slide the speaker downward to secureit.2. Thread the speaker cable into the chassis clip.3

Heat Sink And Processor 10Removing the Heat Sink and Processor1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. D

ContentsNotes, Cautions, and Warnings...21 Working on Your Computer...

6. Press the release lever down and then move it outwards to release it fromthe retention hook that secures it.7. Lift the processor cover.8. Lift the

Installing the Heat Sink and Processor1. Insert the processor into the processor socket. Ensure the processor isproperly seated.2. Lower the processor

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Coin-Cell Battery 11Removing The Coin-Cell Battery1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Press the rel

Installing The Coin-Cell Battery1. Place the coin-cell battery into its slot on the system board.2. Press the coin-cell battery downwards until it is

Power-Switch Cable 12Removing the Power-Switch Cable1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Remove the

8. Pry the power-switch cable free.9. Slide the power-switch cable out through the front of the computer.36

Installing the Power-Switch Cable1. Slide the power-switch cable in through the front of the computer.2. Secure the power-switch cable to the chassis.

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Front Thermal Sensor 13Removing the Front Thermal Sensor1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Disconn

Installing the Memory...248 Chassis Intrusion Switch

Installing the Front Thermal Sensor1. Secure the thermal sensor to the chassis front.2. Thread the thermal sensor cable into the chassis clips.3. Conn

System Fan 14Removing The System Fan1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Disconnect the system fan c

Installing the System Fan1. Place the system fan in the chassis.2. Pass the four grommets through the chassis and slide outward along thegrooves to se

Input/Output Panel 15Removing the Input/Output Panel1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Remove the

7. Slide the Input/Output panel towards the left of the computer to release it.8. Remove the Input/Output panel by routing the cable through the front

Installing the Input/Output Panel1. Insert the Input/Output panel into the slot on the chassis front.2. Slide the Input/Output panel towards the right

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Power Supply 16Removing The Power Supply1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Disconnect the power ca

6. Disconnect the 4-pin power cable from the system board.7. Remove the screws that secure the power supply to the back of thecomputer.8. Push in on t

9. Lift the power supply out of the computer.Installing the Power Supply1. Place the power supply in the chassis and slide towards the back of thecomp

16 Power Supply...47Removing The Power Supply...

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System Board 17Removing The System Board1. Follow the procedures in Before Working Inside Your Computer.2. Remove the cover.3. Remove the front bezel.

9. Tilt the system board to 45–degrees, and then lift the system board out ofthe computer.Installing the System Board1. Align the system board to the

System Setup 18System SetupThis computer offers you the following options:•Access System Setup by pressing <F2>• Bring up a one-time boot menu b

When you enter the <F12> or <Ctrl><Alt><F8> keystroke correctly, the computerbeeps. The key sequence invokes the Boot Device M

Action KeystrokeExpand and collapse field <Enter>, left- or right-arrow key, or +/–Expand or collapse all fields < >Exit BIOS <Esc>

General• SATA•CD/DVD/CD-RW DriveBoot List Option• Legacy• UEFIDate/Time Allows you to set the date and time. Changes to the systemdate and time take e

System Configuration• Disabled = The SATA controller is hiddenDrives Allows you to enable or disable the various on-board drives:• SATA-0• SATA-1• SAT

VideoNOTE: The Video setting will only be visible when a video card is installed in thesystem.SecurityInternal HDD-1PasswordAllows you to set, change,

SecurityAllow Non-Admin Password Changes — This option isenabled by default.Non-Admin SetupChangesThis option lets you determine whether changes to th

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Security• Enable — User may enter OROM configuration screens viathe hotkey.• One-Time Enable — User may enter OROM configurationscreens via the hotkey

Power Management• Power On•Last StateAuto On Time Allows you to set the option to automatically turn on thecomputer. Time is kept in standard 12-hour

POST BehaviorKeyboard Errors Allows you to enable or disable the keyboard error reportingwhen the computer starts. This option is enabled by default.P

Image ServerLookup Method Specifies how the ImageServer looks up the server address.•Static IP• DNS (enabled by default)NOTE: This field is only relev

Image ServerNOTE: This field is only relevant when the "Integrated NIC"control in the "System Configuration" group is set to"

Troubleshooting 19Diagnostic LEDsNOTE: The diagnostic LEDs only serve as an indicator of the progress through thePower-on Self-Test (POST) process. Th

• Ensure that the main power cable and front panelcable are securely connected to the system board.LEDPower ButtonProblem Description A possible syste

LEDPower ButtonProblemDescriptionMemory modules are detected, but a memory powerfailure has occurred.TroubleshootingSteps• If two or more memory modul

add the peripheral cards back one by one until you findthe bad one.LEDPower ButtonProblem Description Power connector not installed properly.Troublesh

• If the problem persists, the system board is faulty.LEDPower ButtonProblem Description A possible coin cell battery failure has occurred.Troubleshoo

Working on Your Computer 1Before Working Inside Your ComputerUse the following safety guidelines to help protect your computer from potentialdamage an

• If available, install working memory of the same typeinto your computer.LEDPower ButtonProblem Description A possible hard drive failure has occurre

• If available, install working memory of the same typeinto your computer.LEDPower ButtonProblem Description Memory modules are detected, but a memory

Power ButtonProblem Description A possible system board resource and/or hardwarefailure has occurred.TroubleshootingSteps• Clear CMOS.•Disconnect all

each set of beeps is 3 sec, and the beep sound lasts 300 ms. After each beepand each set of beeps, the BIOS should detect if the user presses the powe

Code 3-2-2Cause Interrupt vector loading failureCode 3-2-4Cause Keyboard Controller Test failureCode 3-3-1Cause NVRAM power lossCode 3-3-2Cause NVRAM

Code 4–3–1Cause Memory failure above address 0FFFFhCode 4–3–3Cause Timer-chip counter 2 failureCode 4–3–4Cause Time-of-day clock stoppedCode 4–4–1Caus

Alert! Security override Jumper is installed.Description The MFG_MODE jumper has been set and AMT Managementfeatures are disabled until it is removed.

Diskette subsystem reset failedDescription The floppy drive controller may be faulty.Gate A20 failureDescription One or more memory modules may be fau

Memory address line failure at address, read value expecting valueDescription A memory module may be faulty or improperly seated. Reinstallthe memory

No timer tick interruptDescription A chip on the system board might be malfunctioning.Non-system disk or disk errorDescription The floppy disk in driv

To avoid damaging your computer, perform the following steps before you beginworking inside the computer.1. Ensure that your work surface is flat and

Seek errorDescription The operating system cannot find a specific track on the floppydisk or hard drive.Shutdown failureDescription A chip on the syst

Write fault on selected driveDescription The operating system cannot write to the floppy or hard drive.X:\ is not accessible. The device is not readyD

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Specifications 20Technical SpecificationsNOTE: Offerings may vary by region. For more information regarding theconfiguration of your computer, click S

MemoryCapacity 1 GB, 2 GB, and 4 GBMinimum Memory 1 GBMaximum memoryDesktop, Mini-Tower, Small FormFactor16 GBUltra Small Form Factor 8 GBVideoIntegra

CardsPCIMini-Tower up to one full-height cardDesktop up to one low-profile cardSmall Form Factor noneUltra Small Form Factor nonePCI Express x16 (with

DrivesSmall Form Factor oneUltra Small Form Factor none2.5–inch SATA drive baysMini-Tower twoDesktop oneSmall Form Factor oneUltra Small Form Factor o

System Board ConnectorsPCI 2.3 data width (maximum) — 32 bitsMini-Tower, Desktop one 120-pin connectorSmall Form Factor, Ultra Small FormFactornonePCI

System Board ConnectorsFront panel controlMini-Tower, Desktop, Small FormFactorone 34-pin connectorUltra Small Form Factor one 20-pin connectorDesktop

Controls and LightsOrange — a good 100 Mbps connectionexists between the network and thecomputer.Yellow — a good 1000 Mbps connectionexists between th

Click Start , then click the arrow in the lower-right corner of the Startmenu as shown below, and then click Shut Down.• In Windows XP:Click Start → T

PowerWattage MaximumHeatDissipationVoltageCoin-cellbattery3 V CR2032 lithium coin cellPhysicalHeight Width Depth WeightMini-Tower 36.00 cm(14.17 inche

EnvironmentalOperating –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

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Contacting Dell 21Contacting DellNOTE: If you do not have an active Internet connection, you can find contactinformation on your purchase invoice, pac