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90 Troubleshooting Tools
Identifying Drivers
If you experience a problem with any device, identify whether the driver is the
source of your problem and, if necessary, update the driver.
Windows XP
1
Click
Start
and click
Control Panel
.
2
Under
Pick a Category
, click
Performance and Maintenance
→
System
→
Hardware
→
Device Manager
.
3
Scroll down the list of devices and check for an exclamation point (a circle
with a [
!]
) next to the device name.
If an exclamation point appears next to the device name, you may need to
reinstall the driver or install a new driver (see "Reinstalling Drivers and
Utilities" on page 90).
Windows Vista
1
Click
Start
→
Computer
→
System Properties
→
Device Manager
.
NOTE: The User Account Control window may appear. If you are an
administrator on the computer, click Continue; otherwise, contact your
administrator to continue.
2
Scroll down the list to see if any device has an exclamation point (a yellow
circle with a [
!
]) on the device icon.
If an exclamation point is next to the device name, you may need to
reinstall the driver or install a new driver (see "Reinstalling Drivers and
Utilities" on page 90).
Reinstalling Drivers and Utilities
NOTICE: The Dell Support website at support.dell.com and your Drivers and
Utilities media provide approved drivers for Dell computers. If you install drivers
obtained from other sources, your computer might not work correctly.
Using Windows Device Driver Rollback
If a problem occurs on your computer after you install or update a driver, use
Windows Device Driver Rollback to replace the driver with the previously
installed version.
book.book Page 90 Thursday, June 14, 2007 6:23 PM