132
Troubleshooting
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.
1
Click
Start
, and right-click
Computer
.
2
Click
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.
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 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 132).
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.
1
Click
Start
, and then right-click
Computer
.
2
Click
Properties
, and then click
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 enter the Device Manager.
3
Right-click the device for which the new driver was installed and click
Properties
.
4
Click the
Drivers
tab, and then click
Roll Back Driver
.
If Device Driver Rollback does not resolve the problem, use System Restore
(see "Restoring Your Microsoft® Windows Vista® Operating System" on
page 135) to return your computer to the operating state that existed before
you installed the new driver.
Summary of Contents for Inspiron 1521
Page 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell Inspiron 1521 Owner s Manual Model PP22L ...
Page 18: ...18 Finding Information ...
Page 32: ...32 About Your Computer ...
Page 46: ...46 Using the Keyboard and Touchpad ...
Page 54: ...54 Using a Battery ...
Page 82: ...82 Using ExpressCards ...
Page 86: ...86 Using the Memory Card Reader ...
Page 100: ...100 Securing Your Computer ...
Page 161: ...Adding and Replacing Parts 161 1 captive screws 2 2 cover 1 2 ...
Page 168: ...168 Adding and Replacing Parts ...
Page 170: ...170 Dell QuickSet Features ...
Page 180: ...180 Getting Help ...
Page 214: ...214 Glossary ...
Page 222: ...222 Index ...