Beep Codes and Text Error Messages, Navigation | Dell 990 instruction

Beep Codes and Text Error Messages

The OptiPlex BIOS is capable of displaying error messages in plain English, along with beep codes. If the BIOS determine the previous boot was unsuccessful, it displays an error message similar to the following:

Previous attempts at booting the system have failed at checkpoint ______. For help resolving this problem, please

note this checkpoint and contact Dell Technical Support.

Navigation

The computer setup can be navigated by either the keyboard or the mouse. Use the following keystrokes to navigate 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, the items listed in this section may or may not appear.

General

System Information	Displays the following information:
	• System Information: Displays BIOS Version, Service
	Tag, Asset Tag, Ownership Date, Manufacture Date,
	and the Express Service Code.
	• Memory Information: Displays Memory Installed,
	Memory Available, Memory Speed, Memory Channels

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Dell 990 service manual Beep Codes and Text Error Messages, Navigation, System Setup Options

Contents

Regulatory Model D05D Regulatory Type D05D001 Page Contents Coin-Cell Battery Chassis Intrusion SwitchPower-Switch Cable Speaker Power Supply Unit PSU Thermal Sensor Power SupplySystem Setup Troubleshooting No timer tick interrupt Memory allocation errorDecreasing available memory Diskette read failure Contacting Dell SpecificationsPage Before Working Inside Your Computer Working on Your Computer Turning Off Your Computer Recommended Tools After Working Inside Your Computer Page Cover Installing The CoverRemoving the Cover Follow the procedures in After Working Inside Your Computer Removing the Front Bezel Front Bezel Installing The Front Bezel Removing the Expansion Card CardsPage Installing The Expansion Card Page Removing the Optical Drive Optical Drive Installing The Optical Drive Removing the Hard Drive Hard DrivePage Installing The Hard Drive Page Removing the Memory Memory Installing The Memory Removing the Chassis Intrusion Switch Chassis Intrusion Switch Installing The Chassis Intrusion Switch Removing The Speaker Speaker Installing The Speaker Removing The Heat Sink and Processor Heat SinkPage Installing The Heat Sink and Processor Page Removing The Coin-Cell Battery Coin-Cell Battery Installing The Coin-Cell Battery Removing The Power-Switch Cable Power-Switch Cable Installing The Power-Switch Cable Removing The Front Thermal Sensor Front Thermal Sensor Installing The Front Thermal Sensor Removing The System Fan Chassis Fan Installing The System Fan Follow the procedures in After Working Inside Your Computer Page Removing The Input/Output Panel Input/Output Panel Remove the Input/Output panel Installing The Input/Output Panel Removing The Power Supply Power SupplyPage Lift the power supply out of the computer Installing The Power SupplyPage Removing The System Board System Board Installing The System Board Follow the procedures in After Working Inside Your Computer Page Removing The PSU Thermal Sensor Power Supply Unit PSU Thermal Sensor Installing The PSU Thermal Sensor System Setup System SetupBoot Menu Boot Menu Enhancements Timing Key Sequences System Setup Options Beep Codes and Text Error MessagesNavigation SATA-2, SATA-3, and LOM MAC Address Technology System Configuration Security Video Allow Non-Admin Password Changes This option is Performance Protector or if Auto Power is set to disabled Power Management Post Behavior Enable F12 Boot menu enabled by default Virtualization Support MaintenanceImage Server Address is 255.255.255.255 Setting isSystem Logs Clear Log Displays the Bios Progress event logPage Diagnostic LEDs TroubleshootingDiagnostic Light Patterns Power Button Problem Steps Power Button Power Button Problem Description LED Troubleshooting Steps Re-seat the processor If the problem persists, the system board is faulty Troubleshooting Steps Possible expansion card failure has occurred Your computer Code1-1-2 Beep Codes Code Cause CauseCode Cause DMA page register read/write failure Through Code Cause Keyboard Controller Test failure Code Address mark not found Error MessagesCode Cause Cache test failure Bad command or file name Alert! Security override Jumper is installedBad error-correction code ECC on disk read Data error Hard-disk drive configuration error Diskette subsystem reset failedDecreasing available memory Diskette drive 0 seek failure Invalid Memory configuration, please populate DIMM1 Invalid configuration information-please run Setup programHard-disk drive controller failure Hard-disk drive failure Memory size in Cmos invalid Memory allocation error No boot sector on hard-disk drive No boot device availableNo timer tick interrupt Non-system disk or disk error Reset failed Read faultSeek error Requested sector not found Timer chip counter 2 failed Time-of-day not set-please run the System Setup programUnexpected interrupt in protected mode Write fault \ is not accessible. The device is not ready Write fault on selected drivePage Technical Specifications SpecificationsProcessor Type Network AudioSystem Information Expansion Bus PCI Drives External Connectors System Board Connectors ConnectorFactor Back Panel Ultra Small Form Factor Front Panel Video Vary based on the graphics card Small Form Factor Ultra Small Form Factor Controls and Lights System power supply Power system byTurned on and is functional. Outlet Physical Height Width Depth Weight Power Wattage Maximum Voltage Heat DissipationEnvironmental Airborne contaminant level Storage Grms Maximum shock Operating 40 G 105 G AltitudeS71.04-1985 102 Contacting Dell Contacting DellVisit support.dell.com