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:

1Make sure that the display is plugged in and switched ON.

2Check that the brightness and contrast controls are properly set.

3Ensure that the display video cable is correctly connected.

4Switch 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.

5Check that the video upgrade is properly installed if you have one.

6Check 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.

7If 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 Delete . The PC will perform its Power-On-Self-Test

 

(POST)

 

 

 

 

 

 

 

 

 

.

 

2When the POST is finished, press to bypass the startup files and display the MS-DOS prompt (C:\).

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