How do i install windows 8.1 on sony vaio ultrabook

August 26, 2015 at 14:13:46
Specs: Windows 64, i5
when i install from usb ,on the stage it restarts it goes to blue screen if i pull out the usb..when i leave the usb it starts installing from start.

See More: How do i install windows 8.1 on sony vaio ultrabook

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August 26, 2015 at 15:34:03
Use Rufus to install W8.1, make sure you Delete all partitions, if you want a really clean install.

W8 - The complete guide to a Windows 8 clean installation
Step-By-Step: Completing a Clean Windows 8.1 Install With a Windows 8 Key
Here are some examples of why you delete all partitions.
Select the GPT partition scheme for UEFI computers.

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August 26, 2015 at 22:49:16
Is this a USB optical drive or flash drive you're booting from?

When you use a bootable cd or dvd the bios normally says 'press any key to boot from cd/dvd' when it sees you have a bootable disk there. On first bootup for OS installation you let it boot from the optical drive. On subsequent bootups during the install you let it boot from the hard drive.

Either you're pressing 'any key' or you're not getting that option. If the latter then when it first reboots after the installation starts you need to go into bios setup and put the hard drive ahead of the USB drive so it automatically boots from the hard drive during the rest of the installation and not the USB.

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August 27, 2015 at 00:25:04
When I changed the boot order and restarts it goes to the BSOD.or it freezes on the vaio screen.Its also not booting from usb optical drive .when I use the usb flash from this screen --- goes to this screen even if I change boot

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August 27, 2015 at 01:09:06
The first link shows the reboot warning. I suggested letting it reboot but before it starts loading from any of the drives you go into bios setup and change the boot order. Is that what you did when you got the BSOD?

The second link has a trailing dot (.) that prevents the page from loading. If you back that off the page loads OK but it just shows the windows 8 setup start image. I assume that only shows when you boot from the installation drive.

Since you're installing from a flash drive it's possible you have some jury-rigged setup that might not be working right. You may need to check Johnw's links and make a new setup drive.

Either that or maybe some hardware problem that's preventing the completion. Have you verified that 8.1 will install on that ultrabook?

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