Dell OptiPlex GX150 User Guide - Page 67

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

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Back to Contents Page Solving Problems: Dell™ OptiPlex™ GX150 System User's Guide Finding Solutions Dell Diagnostics Messages and Codes Software Problems BIOS Recovery Utility 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 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 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 Responding" See "Restart a Computer That Is Not Responding" See "Repairing a Wet Computer" See "Repairing a Dropped or Damaged Computer" See "Hardware Conflicts" See "System Memory Problems" See "System Board Problems" See "Resetting a Damaged System Board" See "Messages and Codes" See "Messages and Codes" Power Problems Basic Checks: l Test the electrical outlet: ensure that the electrical outlet is working by testing it with another device such as a lamp. l 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. l 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

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Back to Contents Page
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:
l
Test the electrical outlet: ensure that the electrical outlet is working by testing it with another device such as a lamp.
l
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.
l
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
"