HP 5/xx Series 4 - Manual (Page 83)

English 71
5 Troubleshooting Your PC
If Your PC Has a Hardware Problem
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:
Windows 3.11 1 Restart the PC — either switch the PC off then on, or press
and . The PC will perform its Power-On-Self-Test
(POST).
2 When the POST is finished, press to bypass the startup files and
display the MS-DOS prompt ( C:\ ).
Delete
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