If Your Pc Has A Hardware Problem; If Your Display Does Not Work; If Your Display Is Blurred Or Unreadable - HP 5/xx Series 4 User Manual

Windows 3.11

If Your PC Has a Hardware Problem

This section describes what to do if you have problems with your
display, disk drives, printer, accessory board, keyboard, or mouse.

If Your Display Does Not Work

If nothing is displayed on the screen, but the PC starts and the
keyboard, disk drives, and other peripheral devices seem to operate
properly:
1 Make sure that the display is plugged in and switched ON.
2 Check that the brightness and contrast controls are properly set.
3 Ensure that the display video cable is correctly connected.
4 Switch off the display, and unplug it from the power outlet.
Disconnect the video cable and examine the video cable connector
pins. bent. If the pins are bent, carefully straighten them.
5 Check that the video upgrade is properly installed if you have one.
6 Check that an accessory board doesn't use the same I/O address as
the integrated video interface (03B0h to 03DFh). Refer to the
manual supplied with the accessory for further information.
7 If the display works correctly during the Power-On-Self-Test
(POST), but goes blank when Windows starts, check that you have
enough memory for the video mode you have selected.

If Your Display is Blurred or Unreadable

If you select the wrong display in the HP User Tools menu, the display
screen may become blurred or unreadable. To correct this problem:
1 Restart the PC — either switch the PC off then on, or press
and
(POST).
2 When the POST is finished, press
display the MS-DOS prompt (
. The PC will perform its Power-On-Self-Test
Delete
to bypass the startup files and
).
C:\
5 Troubleshooting Your PC
If Your PC Has a Hardware Problem
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