HP ENVY h8-1520z Troubleshooting and Maintenance Guide - Page 10

Software troubleshooting

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Software troubleshooting Symptom To repair software problems, try these methods: Updating device drivers Microsoft System Restore Possible solution ● 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 System recovery on page 8) - Erase and reformat the hard disk drive, and then reinstall the operating system, programs, and drivers. This erases all data files you have created. 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 device manager, and then select Device Manager. 2. Select the arrow to expand the type of device you want to update or roll back. (For example, DVD/CD-ROM drives.) 3. Double-click the specific item (for example, HP DVD Writer 640b). 4. Select the Driver tab. 5. 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. 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. Some features might not be available on systems that are shipped without a version of Microsoft Windows. To start a system restore or to add restore points manually: 1. Close all open programs. 2. From the Start screen, type control panel, 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. 6 Chapter 2 Troubleshooting

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Software troubleshooting
Symptom
Possible solution
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
System recovery
on page
8
) — 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
device manager
, and then select
Device Manager
.
2.
Select the arrow to expand the type of device you want to update or roll back. (For example, DVD/CD-ROM
drives.)
3.
Double-click the specific item (for example, HP DVD Writer 640b).
4.
Select the
Driver
tab.
5.
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.
Some features might not be available on systems that are shipped without a version of Microsoft Windows.
To start a system restore or to add restore points manually:
1.
Close all open programs.
2.
From the Start screen, type
control panel
, 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.
6
Chapter 2
Troubleshooting