Gateway ALR 9250R User Manual page 175

No beep
If the system operates normally, but there was no beep, the speaker may be
defective. If the speaker is enabled, but the speaker does not function,
contact Technical Support for assistance.
No characters appear on screen
Check the following:
•
Is the keyboard working? Check the "Num Lock" light.
•
Is the video monitor plugged in and turned on? Many modern
video monitors shut down when inactive and may require a
moment to warm up when activated.
•
Are the brightness and contrast controls on the video monitor
properly adjusted?
•
Are the video monitor switch settings correct?
•
Is the video monitor signal cable properly installed?
•
Is the onboard video controller enabled?
If you are using an add-in video controller, you may need to perform some
additional checks.
To Test an Add-in Video Controller
1. Verify that the video board is fully seated in the connector (and verify
that the video monitor is plugged into the active video controller).
Reboot the system for changes to take effect.
2.
If there are still no characters on the screen after you reboot the system
3.
and POST emits a beep code, write down the beep code you hear. Your
service representative will need the code. See "POST codes and port-
80h codes" on page 166.
If you do not hear a beep code and characters do not appear, the video
4.
display monitor or video controller may have failed. You can verify
this by trying the monitor on another system or trying a different
monitor on this system. Contact Technical Support for assistance.
Chapter 7: Troubleshooting 161