Undoing the Last System Restore

NOTICE: Before you undo the last system restore, save and close all open files and exit any open programs. Do not alter, open, or delete any files or programs until the system restoration is complete.

1Click StartAll ProgramsAccessoriesSystem ToolsSystem Restore.

2Click Undo my last restoration and click Next.

Using the Operating System Media

Before you Begin

If you are considering reinstalling the Windows operating system to correct a problem with a newly installed driver, first try using Windows Device Driver Rollback. See "Returning to a Previous Device Driver Version" on page 39. If Device Driver Rollback does not resolve the problem, use Microsoft Windows System Restore to return your operating system to the operating state it was in

Reinstalling Software

before you installed the new device driver. See "Using Microsoft® Windows® System Restore" on page 42.

NOTICE: Before performing the installation, back up all data files on your primary solid-state drive. For conventional solid-state drive configurations, the primary solid-state drive is the first drive detected by the computer.

To reinstall Windows, you need the Dell™ Operating System media and the Dell Drivers and Utilities media.

NOTE: The Dell Drivers and Utilities media contains drivers that were installed during the assembly of the computer. Use the Dell Drivers and Utilities media to load any required drivers. Depending on the region from which you ordered your computer, or whether you requested the media, the Dell Drivers and Utilities media and Dell Operating System media may not ship with your computer.

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Dell A90 specifications Undoing the Last System Restore, Using the Operating System Media Before you Begin