If Only Part Of The Display Is Readable - Dell Latitude D631 User Manual

R V
U N T H E I D E O D I A G N O S T I C S T E S T S
but the display is not completely blank, run the Video device group in the Dell Diagnostics. If the
problem persists, contact Dell (see "Obtaining Assistance" on page 137).
S "E M
E E R R O R E S S A G E S

If only part of the display is readable

C
O N N E C T A N E X T E R N A L M O N I T O R
1 Shut down your computer and connect an external monitor to the computer.
2 Turn on the computer and the monitor and adjust the monitor brightness and contrast controls.
If the external monitor works, the computer display or video controller may be defective. Contact Dell
(see "Obtaining Assistance" on page 137).
98
Troubleshooting
If no error message appears and you still have a display problem,
—
If an error message appears, see "Error Messages" on page 84
" —
—