Dell OptiPlex GX150, User Manual

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Solving Problems: Dell™ OptiPlex™ GX150 System User's Guide
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 " Safety Information ."
Take the problem-solving action listed in the following table for the component or equipment that is malfunctioning.
Power Problems
Basic Checks:
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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
verify that the computer turns on.
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Check for interference: electrical appliances on the same circuit or operating in close proximity to the computer can cause interference.
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
Finding Solutions Software Problems
Dell Diagnostics BIOS Recovery Utility
Messages and Codes
Power indicator does not light See " Power Problems"
Monitor power indicator does not light See " Video and Monitor Problems "
No sound See " Sound and Speaker Problems "
Printer not working See " Printer Problems "
Serial or other parallel devices not working See " Serial or Parallel Device Problems "
Mouse not working See " Mouse Problems "
Keyboard not working See " Keyboard Problems "
Diskette drive or hard drive: indicators not lit, scraping or unusual
noises, no noise
See " Drive Problems "
System battery not working See " Battery Problems "
Expansion card errors or malfunction See " Expansion Card Problems "
A program locks up See " Recover From a Program That Is Not Responding "
Computer locks up See " Restart a Computer That Is Not Responding "
Computer gets wet See " Repairing a Wet Computer "
Computer is dropped or damaged See " Repairing a Dropped or Damaged Computer "
Hardware devices conflict See " Hardware Conflicts "
System memory amount is not correct See " System Memory Problems"
System board malfunctions See " System Board Problems"
System board is damaged See " Resetting a Damaged System Board "
An error message See " Messages and Codes "
A series of beeps on system startup See " Messages and Codes "