Windows corrupted

[destrano78]

My windows boot files are corrupted and it won't start on a genuine version of windows 7 I installed on it. Is it possible to boot on a windows version placed on an external drive?

 

[LittleJay]

http://www.sevenforums.com/tutorials/104341-bootmgr-missing-fix.html?ltr=B

Check out this tutorial. It shows you how to repair your boot files.

 

[destrano78]

Tanks but it didn't worked.

 

[Sir George]

My windows boot files are corrupted and it won't start on a genuine version of windows 7 I installed on it. Is it possible to boot on a windows version placed on an external drive?

How did this happen? Were you; installing new software, did you have a system failure, were new updates installed, etc?

Yes, it's possible to boot from an external drive, although not recommended.

 

[LittleJay]

http://www.sevenforums.com/tutorials/219487-clean-reinstall-factory-oem-windows-7-a.html?ltr=C

In that case you maybe want to follow this tutorial to do a clean reinstall of Windows on your computer.

 

[gregrocker]

Have you run Startup Repair repeatedly?

Work through these steps for Troubleshooting Windows 7 Failure to Start
which lead up to if necessary rescuiing your files to do the Clean Reinstall LittleJay linked above.