User's Manual

Your computer suddenly stops operating.
Turn the computer off and leave it off for at least 30 seconds.
This resets the power supply logic. Make sure the room
temperature around the computer is less than 90°F (32°C) and
nothing is blocking the power supply fan. Also make sure there
is ample room around your system for air circulation.
You may have overloaded the power supply. See your option
card manual(s) for the power requirements for your option
card(s). Then check Appendix A to see if you have exceeded
the option slot power limits.
Keyboard Problems
The screen displays a keyboard error message when you
turn on or reset the computer.
Make sure the keyboard is securely connected to the keyboard
port and not the mouse port. Although these ports look alike,
they cannot be used interchangeably.
Nothing happens when you type on the keyboard
You may have pressed the hot key combination defined in
SETUP. This key combination locks the keyboard. Type your
password and press Enter. Then try again.
See “The Computer Does Not Respond,” above
The cursor keys on the numeric keypad do not work
properly.
If the Num Lock light in the upper right corner of the keyboard
is lit, press NumLock to turn off the function.
Troubleshooting 6- 5