Hi, I have a Acer Extansa 5620 Z, and after a couples of week I upgraded to windows 7, I unable to start my laptop, it shows at the top left hand " BOOTMGR is compressed" Press Ctrl+Alt+Del to restart,, I tried but nothng happened, try to reinstall win 7 cd but shows same message, any suggestion ***, Let me know what I can do. Amd thanks in advance.

Did you back up before you tried to install a new operating system? How much hard drive space was left before you tried to install it?

I have sufficient hard disc space that is nearly 80gb free space