Pc dosen't recognize device
use Windows Device Driver Rollback to replace the driver with the previously installed version.
1 Click the Start button and click Control Panel.2 Under Pick a Category, click Performance and Maintenance.3 Click System.4 In the System Properties window, click the Hardware tab.5 Click Device Manager.6 Right-click the device for which the new driver was installed and click Properties.7 Click the Drivers tab.8 Click Roll Back Driver.If Device Driver Rollback does not resolve the problem, then use System Restore to return your computer to the operating state that existed before you installed the new driver.
If the problem still occurs then use a system utility tool like Reginout for an instant fix.
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