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endless loop starting windows 8.1 - gets to 5% restarts-loop

i need your help again with my computer. wont get passed 5% in the diagnostic tool - repairing drive and will reboot and goes into a loop. what to do? also, the HD i have now is a 500GB (5400 RPM) Serial ATA hard disk drive - i dont have a cd for the computer, if i got a new hard drive how to i load windows on?

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All Answers

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What is this machine?

In reply to: endless loop starting windows 8.1 - gets to 5% restarts-loop

Desktop/laptop/custom build?
If this is an oem machine contact the maker and ask about buying recovery media.

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In reply to: What is this machine?

its a toshiba laptop L55-A5226. its a serial ATA 500GB 5400rpm HD. if i get a media disc and boot of the drive D with the disc, can I dismount drive c to fix????

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Recovery media

In reply to: reply

If you get the restore disc from the maker then you should be able to swap out the old hdd for a new one.

Then boot from the disc and restore to factory conditions on the new hdd.

Set the old hdd aside as you may be able to salvage some of "your stuff".

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In reply to: Recovery media

I am on the laptop now, it gives me the opportunity to bypass the disc diagnostic if I press ANY KEY in literally one second, so the HD is i guess okay. i just need to get passed the 5% mark of the diagnostic. I was thinking of getting an external HD and mirroring what i have now on my main C drive and booting off the new external HD (EHD) and dismounting the main C drive and having auslogics boost speed disk doctor "fix" the main C drive and then rebooting off the main C drive. do you think it will work?

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No idea

In reply to: reply

I do not know where the disk diag is coming from.
If you have anything important on that hdd copy it out so it's safe.
Get the factory restore media.
Try a clone and see what happens.
I would use the windows chkdsk util to test the hdd.
Only after I had 'my stuff' safe and the restore media in hand.

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