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Thread ID: 141675 2016-02-03 04:45:00 Lost boot loader win 10 micky (7329) Press F1
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1415398 2016-02-03 04:45:00 I just inadvertently lost my win10, I started up with another hdd usb connection. And now it won't start I think I've messed up the boot loader.
Seeing as this an upgrade from 8.1 I can't put my original win 8.0 disc in to rescue can I ?
Or do I have to fresh install of win 10 and save all my stuff from the offending hdd and then put back onto reformatted disc.
micky (7329)
1415399 2016-02-03 06:42:00 It could be the EFI boot options are broken.
Have a read of this article: here (blog.d0zingcat.xyz Windows%2010/) 1st where it suggests in the advanced, select the Automatic Repair, not the Command prompt - it may fix it. If not you'll return to the same screen, so then try the command.

You'll need windows 10 - you can download it and make a ISO to burn to DVD or USB drive by using the media creation tool: www.microsoft.com Scroll down to download tool Now, and run it - follow instructions.
wainuitech (129)
1415400 2016-02-03 23:30:00 The easiest way, by far, is to backup data & do a fresh, new install of 10
Fixing bootloader issues on win8,10 etc can be a painfull experience, and may not work after some hours of effort . Particularly painfull if its a HP, Tosh etc with up to
6 partitions in a non standard order

The method that worked for me, requires a rescue disk or install disk of the same OS, use of diskpart , bootrec & bcdboot (sorry I dont have the link, you'll need to google it)
1101 (13337)
1415401 2016-02-03 23:53:00 If you have Windows 10 burnt to disk you could boot from it and select the repair option,worth a try Lawrence (2987)
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