Resolve Display Problems; Resolve External Monitor Problems; Resolve External Keyboard Problems - Dell Inspiron 3800 Reference And Troubleshooting Manual

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If you still have a diskette drive problem, call Dell for technical assistance. For instruc-
tions, see Chapter 5, "Getting Help."
NOTICE: Do not attempt to clean drive heads with a swab. You could
accidentally misalign the heads and render the drive inoperable.

Resolve Display Problems

•
If the display is blank, the computer may be in standby or hibernate (save-to-disk
suspend) mode. To resume normal operations, press the power button.
•
Adjust the brightness setting.
•
Run the VESA/VGA Interface tests as described in "Running the Dell
Diagnostics," found earlier in this chapter.
•
Restart the computer.
If you still have a display problem, call Dell for technical assistance. For instructions,
see Chapter 5, "Getting Help."

Resolve External Monitor Problems

•
If the display is blank, the computer may be in standby or hibernate (save-to-disk
suspend) mode. To resume normal operations, press the power button.
•
Ensure that the video cable is firmly attached to the video connector on the back
of the computer and that the monitor power cable is plugged into a functional
electrical outlet.
•
Adjust the brightness and contrast settings.
•
Run the VESA/VGA Interface tests as described in "Running the Dell
Diagnostics," found earlier in this chapter.
•
Restart the computer.
If you still have an external monitor problem, call Dell for technical assistance. For
instructions, see Chapter 5, "Getting Help."

Resolve External Keyboard Problems

NOTE: External Universal Serial Bus (USB) keyboards function only when
Windows 98 Second Edition or Windows 2000 is running. Use the integrated key-
board when you use the Dell Diagnostics or the System Setup program and when you
are working in MS-DOS mode.
•
Disconnect the keyboard cable from the computer and check the cable connector
for bent or broken pins.
•
Run the PC-AT Compatible Keyboards tests as described in "Running the Dell
Diagnostics," found earlier in this chapter.
•
Restart the computer.
If you still have a an external keyboard problem, call Dell for technical assistance. For
instructions, see Chapter 5, "Getting Help."
Troubleshooting 3-13