HP Omni 120-1126 Troubleshooting & Maintenance Guide - Page 12
Software troubleshooting
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Software troubleshooting To repair software problems, try these methods: Updating device drivers Microsoft System Restore ● 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 10) - 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. Click Start. 2. Type Device Manager into the Start Search box, and then click Device Manager to open the Device Manager window. 3. Click the plus sign (+) to expand the type of device you want to update or rollback. (For example, DVD/CDROM drives). 4. Double-click the specific item (for example, HP DVD Writer 640b). 5. Click the Driver tab. 6. To update a driver, click Update Driver, and then follow the on-screen instructions. Or, to revert to an earlier version of a driver, click Rollback 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: 1. Close all open programs. 2. Click Start, right-click Computer, and then click Properties. 3. Click System protection, System Restore, click Next, and then follow the on-screen instructions. To add restore points manually: 1. Close all open programs. 2. Click Start, right-click Computer, click Properties, and then click System protection. 3. Under Protection Settings, select the disk for which you want to create a restore point. 4. Click Create, and then follow the on-screen instructions. 8 Chapter 2 Troubleshooting ENWW