Windows 10: 100% Disk Usage, Slowing Down PC. Anything?

Often times I get 100% disk usage on my PC. I searched on the internet previously about why I was getting this. I originally thought this was a normal problem.


Anytime I get 100% disk usage, my PC starts slowing down and things start running slower. This for some reason usually happens when I use an internet browser or any productivity apps, not gaming.


There is one task that usually takes up the most disk usage, according to task manager. It is either the System or Service Hosts that take up most.

:)

 

Slow PC - 50% Disk Usage but 100% on C: Drive

Hi. i've seen multiple posts on the 100% disk issue and tried all of the previously suggested actions (disabling search, superfetch etc and all that). I had no 'slow' disk issues at all as MS updates seem to have rectified the situation in the Spring of
2018 for us. However, since a September Windows 10 update, we are slow to boot up and slow-running again. When I access the task manager, processes tab, I see disk usage at 50% rather than the previous 100% give-away...

But when I look at the Performance tab, Disk 0 C: (the main hard drive of my machine) is operating at 100% nearly all of the time...

Does anyone have any thoughts on how to fix this issue please a the general running speed and in particular the boot up speed has deteriorated significantly. And in advance, I'm grateful for all suggestions but please don't suggest buying an SSD as I'm
looking for a way of undoing whatever problems MS has caused again rather than having to pay several hundred Euros to fix faults they caused.

Cheers

UF

 

100% disk usage

The most common cause of 100% disk usage appears to be Superfetch and Prefetch, but there are also other causes. You can try disabling both these features and see if it helps.

This article provides steps to disable prefecth and superfetch:

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How to Fix 100% Disk Usage Error in Windows 10

 

100% Disk Usage

100% disk usage in my pc which slowing down it.... any help and solutions????