Video And Display Problems; If The Display Is Blank; If The Display Is Difficult To Read - Dell precision M65 User Manual

FILE LOCATION: C:\Documents and Settings\reggie_davis\Desktop\Projects-07\BEN\Source\trouble.fm
4 At the Windows desktop, use the touch pad to move the cursor around, select an icon, and open it.
If the touch pad operates correctly, the mouse may be defective.
C
H E C K T H E S YS T E M S E T U P P R O G R A M S E T T I N G S
for the pointing device option. (The computer automatically recognizes a USB mouse without making any setting
adjustments.) For more information on using the system setup program, see "System Setup Program" on page 83.
T
E S T T H E M O U S E C O N T R O L L E R
operation of the touch pad or mouse buttons, run the Mouse test in the Pointing Devices test group in the Dell
Diagnostics (see "Dell Diagnostics" on page 63).
R
E I N S T A L L T H E T O U C H P A D D R I V E R

Video and Display Problems

Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 128) as you complete these
checks.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Information Guide
.

If the display is blank

NOTE:
If you are using a program that requires a higher resolution than your computer supports, it is
recommended that you attach an external monitor to your computer.
C — If you are using a battery to power your computer, the battery charge may be depleted.
H E C K T H E B A T T E R Y
Connect the computer to an electrical outlet using the AC adapter, and turn on the computer.
T
E S T T H E E L E C T R I C A L O U T L E T
as a lamp.
C AC — Check the AC adapter cable connections. If the AC adapter has a light, ensure that
H E C K T H E A D A P T E R
the light is on.
C
O N N E C T T H E C O M P U T E R D I R E C T L Y T O A N E L E C T R I C A L O U T L E T
and the extension cable to verify that the computer turns on.
A
D J U S T T H E P O W E R P R O P E R T I E S
(see "Windows Help and Support Center" on page 11).
S
W I T C H T H E V I D E O I M A G E
the video image to the display.

If the display is difficult to read

A
D J U S T T H E B R I G H T N E S S
M
O V E T H E E X T E R N A L S U B W O O F E R A W A Y F R O M T H E C O M P U T E R O R M O N I T O R
includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from the computer or external monitor.
E
L I M I N A T E P O S S I B L E I N T E R F E R E N C E
appliances.
R
O T A T E T H E C O M P U T E R T O F A C E A D I F F E R E N T D I R E C T I O N
D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 1 / 2 5 / 0 7 – F O R P R O O F O N LY
— Verify that the system setup program lists the correct device
— To test the mouse controller (which affects pointer movement) and the
— See "Reinstalling Drivers and Utilities" on page 89.
— Ensure that the electrical outlet is working by testing it with another device, such
— Search for the keyword
— If your computer is attached to an external monitor, press <Fn><F8> to switch
— Press <Fn> and the up- or down-arrow key.
— Turn off nearby fans, fluorescent lights, halogen lamps, or other
— Bypass power protection devices, power strips,
standby
in the Windows Help and Support Center
— If your external speaker system
— Eliminate sunlight glare, which can cause poor
Product
81
Troubleshooting