58
Responding to error codes
Responding to error codes
Error code and description Here’s what to do...
Screen is black (no error 
code)
Beep occurs in Power On 
Self Test (POST)
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.
•
If you installed memory modules or adapter cards
, 
make sure you installed them correctly. 
•
If you did not install memory modules or adapter 
cards, see “HelpWare support and services” on 
page 79 for information on obtaining service.
Press <Esc> to turn off 
NMI or other key to 
reboot
1
Press 
Esc
 to turn off the Non-Maskable Interrupt 
(NMI) and proceed to boot the system.
2
Press any other key to reboot the system.
For information on the Setup Utility options, see the 
Aptiva online help.
111
I/O Parity Error
Load the Setup default settings and reboot the 
system. For more information on using the Setup 
Utility, see “Using the Setup Utility” on page 71.
127
CPU Clock Mismatch
If you changed your processor, this is expected; 
otherwise, load the default settings in Setup. For 
more information on using the Setup Utility, see 
“Using the Setup Utility” on page 71.
If any of these problems continue after taking the actions 
listed, run the diagnostics programs that came with your 
computer. If you need service, see “HelpWare support and 
services” on page 79.
66xarg.book : 66xach3.fm  Page 58  Tuesday, June 30, 1998  10:18 AM