“ Turn on DEP for all programs and services except those I select”Īnother way to enable it, is at the command-line. “ Turn on DEP for essential Windows programs and services only” Under ‘S tartup and Recovery‘, I found mine was set to: So I checked in S ystem Properties > A dvanced > S ettings. This got me thinking – what in Windows relies up on NX support? The answer is DEP, or Data Execution Prevention. BUT, I didn’t want to nuke my Windows 7 install as this was my link to my free upgrade license! I also didn’t want to lose all my settings.
I thought, this must be a Dell BIOS bug – but when I rebooted, and attempted a clean install, it complained of nothing of the sort. It told me, the particular feature missing on my CPU was NX support. I’ve messed with scheduled tasks to get the computer to re-evaluate, and yet nothing would change the answer.ĭEP (Data Execution Prevention) was the key!Īfter downloading the Windows 10 DVD and attempting an install – it was a little more specific. I’ve checked for the patch that’s supposed to fix this issue, but nothing could get Windows to budge. I updated my BIOS and even ensured that the NX (no execute bit feature) was enabled in the BIOS. The CPU is a T7400, which does support all the required features. For the life of me, I could not get it to upgrade.
I have Windows 7 Home Edition (32-bit) running on a Dell D620. I recently read a post out there where a user could do a clean install, but could not do the upgrade.īy now, most of us have seen the screen shots of CPU-Z or Coreinfo showing perfectly good CPUs that seemingly cannot upgrade to Windows 10. You KNOW your CPU supports the required features (PAE, NX, SSE2) and and yet Windows 10 refuses to install. Chances are, if you’ve gotten to this blog, you’ve tried all the usual fixes for this issue.
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