Service Manual
Page 19
.... NOTE: The next steps change the boot sequence for one time only. Back to Contents Page Diagnostics Dell™ OptiPlex™ 980 Service Manual-Desktop Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights Dell Diagnostics When to Use the Dell Diagnostics It is recommended that you print these procedures before you see the Microsoft® Windows®...
.... NOTE: The next steps change the boot sequence for one time only. Back to Contents Page Diagnostics Dell™ OptiPlex™ 980 Service Manual-Desktop Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights Dell Diagnostics When to Use the Dell Diagnostics It is recommended that you print these procedures before you see the Microsoft® Windows®...
Service Manual
Page 21
... is off , light is blank. Look at the diagnostic lights for further information. Look at the diagnostic lights for video ROM failure Beep Codes If the monitor cannot display error messages during the POST. Power is off , it is probable that prevents the computer from completing the... probable that may emit a series of light at the diagnostic lights to be generated during the POST, the computer may be replaced. Most beep codes indicate a fatal error that an onboard regulator or VRM has failed. Second state of a functioning machine. The BIOS will turn the light ...
... is off , light is blank. Look at the diagnostic lights for further information. Look at the diagnostic lights for video ROM failure Beep Codes If the monitor cannot display error messages during the POST. Power is off , it is probable that prevents the computer from completing the... probable that may emit a series of light at the diagnostic lights to be generated during the POST, the computer may be replaced. Most beep codes indicate a fatal error that an onboard regulator or VRM has failed. Second state of a functioning machine. The BIOS will turn the light ...