Dell Vostro 1200 (Early 2009) - Manual (Page 96)

96 Troubleshooting
C H E C K T H E SYS TE M S E T U P P RO G RA M SE T T I N G S — Verify that the system setup
program lists the correct device 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 101.
T E S T T H E M O U SE C O N T R O L L E R — To test the mouse controller (which affects
pointer movement) and the 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 79).
R E I N S TA L L T H E T O U C H P A D D RI VE R — See "Reinstalling Drivers and Utilities"
on page 106.
Video and Monitor Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
NOTICE: If your computer came with a PCI graphics card installed, removal of the
card is not necessary when installing additional graphics cards; however, the card
is required for troubleshooting purposes. If you remove the card, store it in a safe
and secure location. For information about your graphics card, go to
support.dell.com.
The screen is blank
NOTE: For troubleshooting procedures, see the monitor’s documentation.
The screen is difficult to read
C
H E C K T H E D I A G N O S T I C L I G H TS — See "Diagnostic Lights" on page 73.
C H E C K T H E M O N I T O R S E TT I N G S — See the monitor documentation for
instructions on adjusting the contrast and brightness, demagnetizing
(degaussing) the monitor, and running the monitor self-test.
A D J U S T T H E W I N D O W S D I S P L A Y SE T T I NG S
Windows XP:
1 Click Start→ Control Panel→ Appearance and Themes.
2 Click the area you want to change or click the Display icon.
3 Try different settings for Color quality and Screen resolution.
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