IBM Aptiva Series Handbook page 113

Step 2 Did the system unit beep after it was turned on?
There is a hardware problem. If you added hardware, remove it and restart the computer to see if the
problem is corrected. If the problem is corrected, you may have installed your hardware incorrectly.
Reinstall your hardware.
For instructions on installing hardware in the system unit, see "Working with the hardware in the
system unit" on page 7-2. For instructions on installing options on your system board, see Chapter 8.
If the problem continues, refer to the "Quick problem solving chart" on page 9-6.
There is a problem with the system unit. Find the error code or message in the section "Error codes
and messages" on page 9-16 and take the action listed.
Before you panic: some simple fixes 9-3