Troubleshooting Tables - IBM Aptiva Hardware Handbook

Troubleshooting tables

Table 6: Troubleshooting: Hardware problems
If the problem is:
No beep during power-on self test (POST)
Error code (and description), more than one
beep in self-test, or continuous beep occurs
Computer turns off without warning
Can't enter password
Note: If any of these problems continue after taking the actions listed, check your Services and Support Guide for information on
obtaining service.
42 Troubleshooting tables
Here's what to do:
Make sure that the system unit is turned on.
If an error code:
• Is displayed, find the code in "Error codes, descriptions, and corrective
actions" on page 52 and take the action listed.
• Is not displayed, check your Services and Support Guide for information on
obtaining service.
1. If you have enabled the Standby feature, move the mouse to exit Standby.
2. If you have enabled the Rapid Resume feature and set up the Automatic
Power Off option, or set the Scheduler feature to turn the system unit off, turn
the system unit back on.
3. Make sure that the system unit and monitor power cords are securely
plugged into electrical outlets.
4. Make sure that the cables are correctly and securely connected to the system
unit.
5. Check for a blown fuse, tripped circuit breaker, or power failure.
6. Unplug the system unit power cord from the electrical outlet, wait 10
seconds, and then plug the power cord back into the electrical outlet. If the
computer does not start immediately, push the on/off button on the system
unit.
1. Make sure you are typing the correct password.
2. Make sure the keyboard cable is correctly and securely connected to the
keyboard port (not the mouse port) on the back of the system unit.
The keyboard port has this symbol next to it to help you:
3. If you have forgotten your password, check your Services and Support Guide
for information on obtaining service.