Q: Upgraded to Windows 10 without installing updated drivers

So I went ahead and upgraded the Windows I am using through Bootcamp from 7 to 10. My mistake that I did not update any drivers from Apple first. Now that the upgrade is complete I get a BAD_POOL_HEADER message about five seconds after I log into Windows. So I can't fix or do anything from the Windows side.

Another problem is that my computer is a Mid-2011 21.5-inch iMac which is not listed on the compatible machines for the Windows 10 drivers. So I really just want to revert back to Windows 7. What is my next step here? Thanks!

iMac, OS X Yosemite (10.10.3)

Posted on Aug 30, 2015 7:26 AM

I have this question too

Q: Upgraded to Windows 10 without installing updated drivers

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by Loner T,Helpful

Loner T Aug 30, 2015 7:31 AM in response to Deft One
Level 7 (24,800 points)

Safari

Aug 30, 2015 7:31 AM in response to Deft One

Boot in Windows Safe Mode, and update drivers, if you really need to.

Your Mac is not officially supported for W10 - Use Windows 10 on your Mac with Boot Camp - Apple Support .

You should stay with the W7/W8 drivers, if possible.
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by Deft One,

Deft One Aug 30, 2015 3:07 PM in response to Loner T
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Aug 30, 2015 3:07 PM in response to Loner T

SO I had to take it into the Apple Store. Turns out the peripheraps, either the mouse or keyboard, were causing windows 10 to crash, because it worked fine at the store. I downgraded back to Windows 7.
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Q: Upgraded to Windows 10 without installing updated drivers

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by Loner T,★Helpful

by Deft One,

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by Loner T,Helpful