Question: how to do a repair install windows server 2008 r2?
Answer: Server 2008 R2: If no driver is needed, press Shift-F10 to open the command prompt. Continue with step 3.
Server 2008 (or 2008 R2 if a driver is required) Click Next at the first screen. Click Repair your computer. If no driver is needed, click Next and proceed to step vii below.