Finding Solutions; Power Problems - Dell OptiPlex GX150 User Manual

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Solving Problems: Dell™ OptiPlex™ GX150 System User's Guide

Finding Solutions

Dell Diagnostics
Messages and Codes
Finding Solutions
This section describes system and software problems, offers corrective actions, describes the utility, and provides system messages and codes.
Before you call Dell for technical assistance, complete the following tasks to help you resolve computer problems:
Read "About Your Computer" and
Take the problem-solving action listed in the following table for the component or equipment that is malfunctioning.
Power indicator does not light
Monitor power indicator does not light
No sound
Printer not working
Serial or other parallel devices not working
Mouse not working
Keyboard not working
Diskette drive or hard drive: indicators not lit, scraping or unusual
noises, no noise
System battery not working
Expansion card errors or malfunction
A program locks up
Computer locks up
Computer gets wet
Computer is dropped or damaged
Hardware devices conflict
System memory amount is not correct
System board malfunctions
System board is damaged
An error message
A series of beeps on system startup

Power Problems

Basic Checks:
Test the electrical outlet: ensure that the electrical outlet is working by testing it with another device such as a lamp.
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Connect the computer power cable directly to an electrical outlet: bypass power protection devices, power strips, and extension cords to
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verify that the computer turns on.
Check for interference: electrical appliances on the same circuit or operating in close proximity to the computer can cause interference.
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If the problem still exists after you complete the basic checks, fill out the Diagnostics Checklist as you perform the following steps:
1. Turn off the computer and peripherals, and disconnect them from their electrical outlets.
2. If you are using a surge protector, remove it.
3. Make sure the power cable is firmly connected to the computer, and then verify that the power cable is directly connected to the electrical
"Safety Information."
Software Problems
BIOS Recovery Utility
See "Power Problems"
See "Video and Monitor Problems"
See "Sound and Speaker Problems"
See "Printer Problems"
See "Serial or Parallel Device Problems"
See "Mouse Problems"
See "Keyboard Problems"
See "Drive Problems"
See "Battery Problems"
See "Expansion Card Problems"
See "Recover From a Program That Is Not
See "Restart a Computer That Is Not
See "Repairing a Wet Computer"
See "Repairing a Dropped or Damaged
See "Hardware Conflicts"
See "System Memory Problems"
See "System Board Problems"
See "Resetting a Damaged System
See "Messages and Codes"
See "Messages and Codes"
Responding"
Responding"
Computer"
Board"