Saga Lout :
Chkdsk won't fix a Registry you broke yourself - it could only repair disk errors and corrupted files. You will do better with
sfc /scannow
and it seems you'll need to take the hard disk out and slave it to the machine you're posting from. Before you do that, try the StartUp repairs again and when you're offered alternatives, choose Command Prompt. Sometimes that works.
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Ok, I ran the sfc command. It says there is another system repair in progress to restart the computer and run sfc again. I did (3x). It says the same thing. Should I just let it try to run through when it's a black screen? The hdd light still blinks like its working on something. Or is there a dos program I can run to get the product key. I have a disk but I don't have the key because I just bought the laptop (used) but no way to get with that person again.