HP laptop won't boot up to window

I will keep that in mind :)

You can mark the thread Solved at top.

This thread saved me a lot of money and more frustration!!! Thank you guys so much!!!!!

Your hard drive may have failed. You are in what's called a cyclical reboot and I there is a BSOD (blue screen of death) hiding in there somewhere. Trying booting into safe mode (Press F8 shortly after powering on) If you have an option to "Disable Restart on Failure" choose that option and hit Return. This will cause it to stop at the BSOD and you can make note of the error message. Sometimes, I see this to a corrupted OS.

I tried to do what whs and gregrocker posted, but the MBR repair tool in Partition Wizard didn't fix my problem. After doing more research, I found this video that fixes the MBR through the Windows Repair Disk using the Command Prompt. All you got to do is write two commands:

bootrec /fixmbr
bootrec /fixboot

Here is the video:
How to repair the MBR (Master Boot Record) - YouTube

Those commands are automated in Win7 Startup Repair
which is always recommended after confirming Partition Marked Active.

The PW Rebuild MBR command has limited effectiveness and is only one step offered among many which can help with Troubleshooting Windows 7 Failure to Start.