Software troubleshooting
To repair
software
problems, try
these methods:
●
Turn the computer off completely and then turn it on again. This is the easiest (and
sometimes the best) way.
●
Update the drivers (see Updating device drivers, following).
●
Use Microsoft System Restore Software program and hardware driver reinstallation (see
Microsoft System Restore, later in this table). — Restores your computer to a
configuration that was in use before the software was installed.
●
Reinstall the software program or hardware driver (see Software program and hardware
driver reinstallation, later in this table). — Restores the software (if it came with the
product) or hardware driver to factory defaults.
●
System Recovery (see
Troubleshooting and Maintenance Guide
on your computer.
Select the
HP Support Assistant
app on the Start screen, select
My computer
, and
then select
User guides
). — Erase and reformat the hard disk drive, and then reinstall
the operating system, programs, and drivers. This erases all data files you have
created.
Updating device
drivers
Complete the following procedure to update a driver, or to revert to an earlier version of the
driver if the new one does not solve your problem:
1.
From the Start screen, type
c
and then select
Control Panel
.
2.
Select
System and Security
, and then in the System area, select
Device Manager
.
3.
Select the arrow to expand the type of device you want to update or roll back. (For
example, DVD/CD-ROM drives).
4.
Double-click the specific item (for example, HP DVD Writer 640b).
5.
Select the
Driver
tab.
6.
To update a driver, select
Update Driver
, and then follow the on-screen instructions.
Or
, to revert to an earlier version of a driver, select
Roll Back Driver
, and then follow
the on-screen instructions.
Microsoft
System Restore
If you have a problem that might be due to software that was installed on your computer, use
System Restore to return the computer to a previous restore point. You can also set restore
points manually.
NOTE:
Always use this System Restore procedure before you use the System Recovery
program.
To start a system restore or to add restore points manually:
1.
Close all open programs.
2.
From the Start screen, type
c
, and then select
Control Panel
.
3.
Select
System and Security
, select
System
, and then select
System protection
.
4.
Select the
System protection
tab on the System Properties screen.
5.
Follow the on-screen instructions.
Software troubleshooting
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