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[[To reinstall a Plug and Play device
Open Device Manager.
Double-click the type of device that you want to reinstall.
Right-click the specific device you want, and then click Uninstall.
In the Confirm Device Removal dialog box, click OK.
To reinstall the device, on the Action menu, click Scan for hardware
changes.
Follow the instructions on the screen.
Notes

You must be logged on as an administrator or a member of the Administrators
group in order to complete this procedure. If your computer is connected to
a network, network policy settings may also prevent you from completing this
procedure.
To open Device Manager, click Start, and then click Control Panel. Click
Performance and Maintenance, and then click System. On the Hardware tab,
click Device Manager.
You should reinstall a Plug and Play device only if it is working improperly
or it has stopped working altogether. Before you reinstall a device, you
should try to restart your computer and check the device to determine
whether it is functioning properly. If it is not, try reinstalling the
device.
You do not usually need to reinstall or uninstall a Plug and Play device.
With Plug and Play devices, you can simply remove the device from your
computer. To remove a device properly, you should follow the device
manufacturer's installation/removal instructions.
Scan for hardware changes will not reinstall a Plug and Play device if it
detects the device and its driver. You must uninstall a Plug and Play device
before scanning for hardware changes.
If you are not an administrator or a member of the Administrators group, you
can use Run as to perform certain administrator functions.]]


[[To update or change a device driver
Open Device Manager.
Double-click the type of device you want to update or change.
Right-click the specific device driver you want to update or change, and
then click Update Driver to open the Hardware Update Wizard. Follow the
wizard instructions.
Notes

To open Device Manager, click Start, and then click Control Panel. Click
Performance and Maintenance, and then click System. On the Hardware tab,
click Device Manager.
You must be logged on as an administrator or a member of the Administrators
group in order to complete this procedure. If your computer is connected to
a network, network policy settings may also prevent you from completing this
procedure.
You must have the following permissions and privileges to install a driver.
Administrators are granted these permissions:
The Load\Unload Drivers privilege.
The permissions needed to copy files to the system32\drivers directory.
The permissions needed to write settings to the registry.
Being logged on to your computer with these privileges can make your
computer's security vulnerable. For more information on why you should not
use administrator privileges unless absolutely necessary, see Related
Topics.

When you are upgrading a driver or installing new hardware, Windows Update
is automatically started. This allows you to search for the driver to
download and install. Your computer must have access to the Internet to
start Windows Update. For more information on Windows Update, see Related
Topics.
If you are not an administrator or a member of the Administrators group, you
can use Run as to perform certain administrator functions.]]
 
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