Windows 8 Consumer Preview introduces two new system recovery features, Refresh and Reset, that were previously offered by some original equipment manufacturers (OEMs). There is a big difference between these two features that you should be aware of.
If none of the options above works for you, maybe there is some hardware issue. Contact the vendor if it is still covered by warranty. Or, troubleshoot it yourself or ask a friend or professional for further assistance.
Refresh your Device
From the Charms Bar, select More PC Settings. (To show the Charms Bar, move your mouse cursor to the upper right corner until it appears. Select Settings.)
Select General from the PC Settings menu, and scroll down the right pane towards the bottom. Click on “Get started” under Refresh your PC without affecting your files. Follow the instructions.
Note: You may be asked to provide a DVD or USB if some system files are found missing.
Reset your Device
Click on “Get started” under Reset your PC and Start Over. Follow the instructions.
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