Video And Display Problems; If The Display Is Blank - Dell Inspiron 1520 Owner's Manual

C H E C K T H E M O U S E C A B L E
cable and check it for damage, then firmly reconnect the cable.
If you are using a mouse extension cable, disconnect it and connect the
mouse directly to the computer.
T O V E R I F Y T H A T T H E P R O B L E M I S W I T H T H E M O U S E
1 Shut down the computer.
2 Disconnect the mouse.
3 Turn on the computer.
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.
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
C
program lists the correct device for the pointing device option (the computer
automatically recognizes a USB mouse without making any setting
adjustments).
T E S T T H E M O U S E C O N T R O L L E R
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" on page 107.
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
R
on page 140.

Video and Display Problems

Fill out the "Diagnostics Checklist" on page 191 as you complete these checks.
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product 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.
Shut down the computer, disconnect the mouse
—
To test the mouse controller (which affects
—
See "Reinstalling Drivers and Utilities"
—
, C H E C K T H E T O U C H P A D
Verify that the system setup
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Troubleshooting
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137