Windows 10: Unable to start PC in windows 7 if windows 11 has ever been installed on it

I have i7-6700k PC , two of them actually . One has windows 7 installed on SATA ssd impossible to get NvMe install to ever work .The other configuration has windows 11 installed on M2 ssd .I needed to get into the windows 7 setup and save network settings to help fix network troubles on another win7 PC with internet connection issues .I removed the M2. ssd with win11 on it , plugged SATA cable and power into the ssd with win7 on it . MInd you this system has functioned fine in either state , at least the windows 7 configuration worked fine up to i installed windows 11 on the M2.What diffe

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Windows 7 wont install drivers

i dont think anyone here understands what your asking either when its nearly a 90% english dominated Tech forum.
Step 1
reinstall windows from scratch
Step 2
install all drivers from the cd that came with the god damn motherboard *common sense*
Step 3
update windows
Step 4
install misc etc crap like flash java etc etc
Step 5
Install GPU drivers
Step 6
go back to using your pc without issue.

 

windows xp installation and dual core am

could someone please list the steps they follow to install windows with a dual core processor and windows xp service pack to. I'm reletively new to amd dual core and i feel i'm missing a step. All help will be appreciated. thanx

 

Windows 7 wont install drivers

+1

If you having an issue installing a driver that worked before you formatted or wont install on a fresh build, sometimes this means hardware damage