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Tech Helproom


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Windows 7 bootloader died


shutters

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Win7HP 32-bit. Can't boot.

Startup repair on Win7 DVD sees OS installation on C: but can't repair automatically. Running bootrec from cmd prompt, it doesn't see any OS installations so can't rewrite MBR or BCD to allow access.

What other routes do I have of getting my system back, please?

Sorry for terseness - just trying to keep to salients.

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rdave13

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Try tapping F8 on booting to see if you can get to the Advanced start up page and select repair your computer.

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shutters

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F8 gives me a boot menu of device priorities, no repair option.

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rdave13

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Try tapping F5 although if you continue to tap F8 in the temporary boot order page you should arrive at the advanced options page.

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shutters

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Yes, F5 offers me an extended menu.

Only tool on first screen is memory diagnostic, which unsurprisingly finds no problems there. Exiting that test takes me into the DVD's bootup, which offers the Repair Your Computer option that I've tried repeatedly and doesn't work for me.

Evrry boot option from the extended menu offered at F5 | F8 takes me into either the DVD's automatic startup repair routine, which I've tried repeatedly and doesn't work for me, or into the DVD's bootup as above.

In short, nothing new. Sorry, but there it is.

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woodchip

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Does it give a safe Mode Option if it does click it, and give it time to load. Then do a System Restore

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shutters

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Yes, it gives a Safe Mode. But it can't see any restore points.

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robinofloxley

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Hiren's Boot CD has MBR utils and a copy of Partition Wizard Home Edition (which has a rebuild MBR option).

It maybe a 'standard MBR' rebuild, I don't know.

http://www.hirensbootcd.org/download/

Also Ultimate Boot CD has MBR utils.

I know I went round in circles for ages when I was trying to delete an MBR on a 2nd drive. I think Partition Wizard was what worked in the end.

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Zeppelyn

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Try going to command prompt from DVD and typing

bootsect.exe /nt60 C:

Change C: To letter of your Windows partition if different, this command will rewrite the the boot sector.

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Miké

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Or from a comand prompt try 'fixmbr' or 'fixboot'

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shutters

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Robin: TVM for that link. Messing around with the various tools confirms my initial reckoning, that I'm savvy enough to know what the problem is but not solve it! I still can't get further than an initial Win7 screen (which I mis-identified above as being from the DVD) that puts me straight into Startup Repair but can't repair the startup.

Zeppelyn: doesn't get me any further on, I'm afraid.

Miké: had tried both of those before I first posted.

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