Dell OptiPlex 7020 Small Form Factor Owners Manual - Page 48

Amber LED State 3,5 3,6 3,7 Description memory modules are detected, but a memory configuration or compatibility error possible system board resource and/or hardware failure some other failure with messages on screen Beep Code The 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 300 ms, the delay between each set of beeps is 3 sec, and the beep sound lasts 300 ms. After each beep and each set of beeps, the BIOS should detect if the user presses the power button. If so, BIOS will jump out from looping and execute the normal shutdown process and power system. Code Cause 1-3-2 Memory failure Error Messages Error Message Description Address mark not The BIOS found a faulty disk sector or could not find a particular disk sector. found 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. The computer failed to complete the boot routine three consecutive times for the same error. Contact Dell and report the checkpoint code (nnnn) to the support technician Alert! Security The MFG_MODE jumper has been set and AMT Management features are disabled override Jumper is until it is removed. installed. Attachment failed The floppy or hard drive controller cannot send data to the associated drive. to respond Bad command or Ensure that you have spelled the command correctly, put spaces in the proper file name place, and used the correct pathname. Bad error- The floppy or hard drive controller detected an uncorrectable read error. correction code (ECC) on disk read 48