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Thumbs Up Windows 8.1 on external hdd uefi bios
Posted by: Lipan.ovidiu - 07-21-2014, 11:06 PM - Forum: WinToUSB - Replies (4)


I'm trying to install windows 8.1 to an external ssd 128 gb usb3.
When the process is 100 %. It doesn't boot. I did not try other version of windows but I don't believe this is the problem. I've made ntfs
Gpt two partitions as I've read on your topics but when I starting the usb creator, the program automatically format the hdd. Can you please let me know how can I do that step by step? Including the format and everything. I've tried to use the easyufei soft but with no luck. I didn't have all options like in your screenshot, even so, when it was 100% done, the ssd still doesn't boot. Secure boot and everything is disabled on bios.
Thanks a lot

Ps: the laptop is a sony vaio duo 13 and I have no legacy option in bios

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  Error 0x0000008000850000
Posted by: kid_maximus - 07-17-2014, 03:21 AM - Forum: WinToUSB - Replies (6)

trying to load a win 8.1 64 bit iso, esd version onto a usb hdd...error 0x0000008000850000 comes up at 100% completed. win 7 64bit works fine...any ideas??

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  WintoUSB win7 and usb3.0
Posted by: Angaels - 07-15-2014, 06:06 PM - Forum: WinToUSB - Replies (2)

I have been successful in installing Windows 7 Ultimate 64bit on128gb usb3.0 flash drive. The problem happens once I attempt to run it.. The splash screen comes up and the drivers begin to install, once I get to 100% I get an error. Due to hardware on this computer setup cannot be completed. It basically reboots and starts the process over again with the same result.. I know that Windows 7 has issues with USB 3.0 so I have tried installing and running in a USB2.0 slot using the USB 3.0 flash drive with no luck. I even tried using my Windows 8.1 OS but I get a spinning wheel on boot that doesn't go away it seems. Any help is appreciated.

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  Can't boot on 1/3 from usb stick
Posted by: gmstraighter - 07-11-2014, 11:16 PM - Forum: WinToUSB - Replies (1)

I'm trying to put the Windows 8.1 Enterprise evaluation version on a 128GB usb-3 stick. This boots fine on 2 of 3 computers. But the third computer just hangs without ever loading Windows - it freezes on a black screen with a cursor in the upper left. I suspect this may be because the stick isn't formatted gpt with a efi system partition (the two computers that work are bios), but if I do so before trying to install, wintousb insists I must format the stick before proceeding. It then creates an msdos partition table with just one ntfs partition.

So, how can I get wintousb to respect the partitions on the stick before install? If that's not the problem, how do I get it to load on the 3rd computer (which has no trouble in general booting from usb)?

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  Windows 7 installation BSOD
Posted by: kolob4alls - 06-21-2014, 12:02 AM - Forum: WinToUSB - Replies (1)

Tried to put Win7 x86 and it's getting stuck on disk.sys and blue screens. Should I replace driver with something else?

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Question WinToUSB with Win7 64-bit will not boot on UEFI PC
Posted by: Galco - 06-17-2014, 12:22 AM - Forum: WinToUSB - Replies (1)

With no problem I created a live Windows 7 on a Kingston Ultimate 3.0 G3 USB drive. The system runs perfect on my older laptop with Windows 7.

However I cannot boot from a newer Win8.1 system. The USB drive is not listed as bootable. I already disabled "secure boot".

Do I need to create an additional EFI partition (FAT32)?
(BTW: DiskPart shows the USB drive not labeled GPT.)



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  Can I eventually erase windows and have a clean hard drive?
Posted by: eazye - 06-14-2014, 04:52 PM - Forum: WinToUSB - Replies (3)

Is it possible to reverse this process and is it easy? Would I just plug in the hard drive while windows is running from my desktop and format the drive with the windows tool? Thanks

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  Blue screen of death Windows 8.1
Posted by: nzmen - 05-21-2014, 03:54 PM - Forum: WinToUSB - Replies (1)

Hi there,

I think that the idea to run full Windows 8 from USB is great.

I downloaded your software and tried to put Windows 8.1 on a 16gb flash drive (Kept failing through the process around 12% with a file copy error)

I decided to buy an External hard drive enclosure and put my old 640Gb laptop drive in it.

It went through the process and said that everything is ready. I reboot my computer from the USB drive and about 10 seconds after I saw the Windows 8 booting screen I got blue screen.

I'm attaching a screenshot of error message. Any idea I'm getting this problem?

Thanks in advance,


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  cannot find bootable image
Posted by: zerothesavior - 05-11-2014, 11:11 AM - Forum: WinToUSB - Replies (31)

When I try to use a win8 iso I get this
[Image: D2z3w8C]

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  win 8.1 install problems
Posted by: uita - 05-02-2014, 03:06 AM - Forum: WinToUSB - Replies (2)

trying to install win 8.1 pro on usb samsung drive, windows installer sees the drive as usb and will not let me install to it,,anyone with ideas

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