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2 Posts

10-04-2017

CY

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  • Registered: ‎10-04-2017
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Can't start Windows 7 setup

2017-10-04, 0:55 AM

Hello,

Having Lenovo b50-80

I had Windows 7 Ultimate with GPT partition. I want to install Windows 7 Home Premium with MBR partition.

I started with formating HDD through dispart and converting it to MBR.

Then I inserted my USB stick with Windows installation ( I already used it on a Lenovo ThinkPad and it was Okay)

But it don't want to boot from USB.

I looked all other internet for a solution and tried a lot of things. Ofcourse first of all I enabled Legacy Support and Legacy First, then disabled Secure Boot, Boot order, changed USB port (now using USB 2.0 ofcourse). But nothing helped. Now, using recovery mode I go to Boot Menu and select my flash drive but it just flashes the screen like trying to start booting from USB and the just restarts after 1 second and goes again the same. When I enabled Lan boot, I can see in console that it starts booting from USB smthing like "Starting booting from USB device..." and right after it, I see logs from LAN boot, restart and again the same. So... windows installation don't start no matter what I used.

Beg you for help

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2397 Posts

11-07-2014

US

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  • Posts: 2397
  • Registered: ‎11-07-2014
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  • Message 2 of 2

Re: Can't start Windows 7 setup

2017-10-05, 0:18 AM
wipe the hard drive, leave in unformatted state. Download the ISO from Microsoft for Windows re-install, create a new USB and try booting from it. If successful, have Windows format and partition during install script and it should default to MBR use.

Just on a side note, why MBR - GPT has better options and is more secure...

CB

I do not work for Lenovo, I only provide suggestions based on my personal willingness to help others. All advice and comments are based on my experience, and do not reflect Lenovo policy, terms or conditions.
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