Very slow PC, high disk usage

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Happy Crayfish

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Jul 1, 2015
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I'm having some problems with what I suspect is my harddrive.
When doing anything, even the simplest tasks the harddrive instantly goes to 100%, even if the total usage is like 1MB.

The PC frequently hangs and crashes and it takes ages to load up some applications.
I used CrystalDiskMark to check the performance of the harddrive which gave me these results:

9JKeB7D.png


I found some other peoples results with CrystalDiskMark on their harddrive:

image3.png


And from what I can see my harddrive is severely underperforming on some of the categories, but since I'm not a professional I'd like that to be confirmed by someone who actually knows what all this means. 😛

If my harddrive is having issues like I'm suspecting, what could be the cause of this? I have defragmented the harddrive several times (it also does it every week auomatically), I've ran several virus-searches using Avast and Malwarebytes with no results.

I'm thinking the harddrive is faulty, but I don't really know.

Edit:
I also found this quote on a website:
The maximum value of the Avg. Disk sec/Read performance counter should not exceed 50 milliseconds.
Click to expand...
The latency on my harddrive regularly exceeds 50ms.
When using CrystalDiskMark it even went above 20000ms.
 
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that drive isnt meant for every day computing.its a storage drive and only runs at 5400 rpm.it must be painful to use to say the least.you need to get a hdd to run you os and programs and keep the 6tb for storage.an ssd would really be your best bet.
 
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The second image isn't my HDD, I added it to compare the stats of mine. (My one is the first image)
 
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Check, what is causing disk activity.
Use Resource Monitor, find "Disk Activity" section, order it by column "Total" and on top you'll see what is causing most disk activity and file being read/written. Post screenshot.

I'd suspect some windows service like windows updates, windows defender, search indexer, disk defragmenter causing this.
 
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Heres a screenshot

The PC is the slowest when for example opening google chrome. You'd expect an 8-core PC to be able to handle doing several things at once, but as soon as I open a program, or bascially anything else, the rest of the PC freezes too.
 
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No! That's Task Manager (not Resource Monitor).

This is how Resource Monitor looks. Pay close attention. Make your Resource Monitor look the same. Only thing, what's wrong with this example - Disk Activity section is ordered by "I/O priority". That is wrong. You have to order by column Total.
resource_monitor.png
 
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Oh sorry, here's the resource manager screenshot.
 
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According to task manager my disk usage was 100% when I took this screenshot.
I'm not sure if they even measure the same thing though, because resource manager doesn't show 100% when task manager does. The resource manager hasn't shown 100% at any point so far.
 
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Yeah they are on the same disk. I would do that but I don't have any disk to put them on at the moment and I don't think it's worth buying one since the PC is decently old.

On my other PCs 100% disk usage doesn't cause the entire PC to slow down and freeze though. (Even if the PC only has a single physical disk)
The performance of the PC (which is 5 years old) is comparable to my other PC which is 12 years old.

The CPU is an 8-core AMD FX-8300, which is usually idling on all cores when a freeze occurs. The RAM has low usage, and it is 8GB 1600MHz which should be fine as far as I know. The GPU is bad, but it shouldn't really matter as long as I'm not doing rendering, right? (The usage on the GPU when a freeze occurs is usually 0%)
 
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