Windows 10 slow before and after reinstall

Jan 17, 2017 6:06AM PST

One evening my computer worked fine, the next day it was unbelievably slow. I tried lots of things antivirus system restore both 2 and 4 days back but all no good. I reinstalled windows. I have windows on my C drive which is 120Gb SSD and my data on a separate 1Tb drive. After reinstalling windows things are no better and additional access to some folder on my E drive isn't allowed. I have reinstalled windows several times but never had that problem.

I don't know where to go from here. Have tested memory and hard drives all OK.

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Clarification Request
Tell more about the PC.
Jan 17, 2017 7:18AM PST
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Check This
Jan 19, 2017 7:38AM PST

Did you install the chipset drivers? Check your device manager for any items with a yellow exclamation mark next to them. Those will need drivers.

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Steps to prevent windows 10 from working slow
Jan 23, 2017 11:36AM PST

Disable it by searching for Power Options in the Start Menu and running the matching Control Panel applet, then in the left-hand pane click Choose what the power buttons do. Click Change settings that are currently unavailable, scroll down and un-tick Turn on fast start-up, then click Save changes. This should prevent very slow starts on affected PCs. Some users report that if they subsequently reboot, re-trace their steps and re-enable fast start-up the problem remains cured.

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