Dell OptiPlex 7020 Owner's Manual

Also see for OptiPlex 7020: Guide book Owner's manual Quick start guide

Contents

Amber LED State Description3,5 memory modules are detected, but a memory configuration or compatibility error3,6 possible system board resource and/or hardware failure3,7 some other failure with messages on screenBeep CodeThe computer can emit a series of beeps during start-up if the display does not show errors or problems.These series of beeps, called beep codes, identify various problems. The delay between each beep is 300ms, the delay between each set of beeps is 3 sec, and the beep sound lasts 300 ms. After each beep andeach set of beeps, the BIOS should detect if the user presses the power button. If so, BIOS will jump outfrom looping and execute the normal shutdown process and power system.Code 1-3-2Cause Memory failureError MessagesError Message DescriptionAddress mark notfoundThe BIOS found a faulty disk sector or could not find a particular disk sector.Alert! Previousattempts atbooting thissystem have failedat checkpoint[nnnn]. For help inresolving thisproblem, pleasenote thischeckpoint andcontact DellTechnical Support.The computer failed to complete the boot routine three consecutive times for thesame error. Contact Dell and report the checkpoint code (nnnn) to the supporttechnicianAlert! Securityoverride Jumper isinstalled.The MFG_MODE jumper has been set and AMT Management features are disableduntil it is removed.Attachment failedto respondThe floppy or hard drive controller cannot send data to the associated drive.Bad command orfile nameEnsure that you have spelled the command correctly, put spaces in the properplace, and used the correct pathname.Bad error-correction code(ECC) on disk readThe floppy or hard drive controller detected an uncorrectable read error.44