Such things like drivers are not from Microsoft's Windows Update but is still done the old fashioned way. Your post sounds like you are trying a clean install. That's a lot of work and burns up a lot of folk. Since it's a HP, why not use the OS it came with?
That would handily get it all working again but Microsoft's updates to the OS is indeed over 200.
Bob
Finally got system restore done. Downloaded most of the drivers, starting with Bios. nvidia driver didn't update. Sata firmware update said system doesn't meet requirements. Then went to windows update said needed about 250. was down to about 89 when it restarted and it came up with numerous flashes of things with .exe on white small screen(like maybe ie browser).Nothing would open, nothing would work. I finally deleted many of the updates. I now have everything back up and working. I eliminated user under who that issue started. But now need to know what updates should I install (if any) on hp 6214y desktop. Additionally, I would like to know what settings should be used for updates, and how to achieve that in windows 7. Have been happily in 8.1 and don't remember actions in 7. Thank you for any assistance. Please state if any additional info is needed.

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