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What could be the cause of an unstable disk speed?


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#1 frusciante54

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Posted 26 January 2017 - 09:00 AM

Hello everyone. My computer sometimes freezes, stops for like 10-15 seconds even in basic tasks like opening Paint, right clicking on a file etc.

I've scanned my PC for viruses, nothing. I've formatted the disc like a week ago but it's still the same. So I think this problem is related to hardware. More specifically, to my hard drive. But I'm not an expert so I wanted to ask you.

 

My computer is 3-4 years old now. I know, it's an old computer. I haven't changed any part at all. And I ran a test to see my disk speed, it was a little bit weird. Because on most of the YouTube videos on how to short stroke your HDD, all the disk speed graphics were stable. Starting from the top to the bottom. Something like this : 

 

5L1Q5q.png

But my disk was pretty much like this : 

 

PnZryN.png

(Sorry for bad paint skills)

 

Really unstable, right? And not just that. Sometimes when my PC slows down, I look at my task manager, my disk usage is at 100%, but the total amount that the tasks are using is like 0.5 mb/s. So it's not because my HDD's average disk speed is slow, but rather it's unstable. Sometimes it's speed is up to 50 mb/s, sometimes as low as 0.1 mb/s. And this is why disabling SuperFetch, Windows Serach didn't help.

 

So I don't know if it's true but, some people say that this is your hard drive telling you that it's about to fail. Is it? It would make sense, because it's been almost 4 years now.

 

But just in case it's something else, I would like to solve this problem. If it is how I think, I'm going to have to be patient until I get a new computer.

 

Thanks in advance. 

 

EDIT : Oops, I forgot to add this.

 

Fujitsu LifeBook

2 GB RAM

320 GB HDD

Intel CPU

Onboard Intel GPU


Edited by frusciante54, 26 January 2017 - 09:05 AM.


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#2 MadmanRB

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Posted 26 January 2017 - 09:23 AM

Well it could be a failing hard disk due to age.

Some hard disks can last a long time (I got a 10 year old HDD and it still works) but some can degrade over time especially laptop drives.

Did you check the S.M.A.R.T data of your disk for failures?

 

http://www.howtogeek.com/134735/how-to-see-if-your-hard-drive-is-dying/


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#3 frusciante54

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Posted 26 January 2017 - 09:39 AM

Thanks for the answer. I just installed the program and the health seems to be OK I guess :

 

Yq7g5l.png

 

This is the result. What now?



#4 MadmanRB

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Posted 26 January 2017 - 09:45 AM

Well it could be nothing just normal operation, data spikes are not uncommon and stuttering can happen.

I would still keep an eye on it just in case, nothing else can be done until something actually happens.

I mean it could have been an update or something, do you defrag your drive on a regular basis?


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#5 frusciante54

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Posted 26 January 2017 - 09:48 AM

Yes, in fact I defragged it 3 days ago. Auto defrag is on, once every week. And I don't think that it's because of an update because after I formatted the disk, I disabled the Windows update. Because for some reason it never works. Seriusly, I try to check for update and it freezes for 20 minutes. It's really frustrating, so I never update. 



#6 MadmanRB

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Posted 26 January 2017 - 09:52 AM

Well perhaps its windows that is your issue, what version are you running?


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#7 GeroldM

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Posted 26 January 2017 - 09:56 AM

By using a piece of software like ProcessExplorer (from SysInternals) or similar software, you can see how much time your processor is wasting on I/O interrupts. These interrupts make your computer slow. An excessive amount of these interrupts can be caused by a bad hard disk (either (too many) bad storage blocks or its electronics going bad) or the chips on your motherboard that allow the hard disk to communicate with the rest of the system.

The hard disk is the most likely culprit and is easily replaced. Bad chips on your motherboard are not easily fixed. If, after you replaced the hard disk, you keep having the same problem, chances are that you have bad chips on your motherboard.

Changing a motherboard in a laptop is much more labour-intensive than in a desktop computer and given the age of your system, it might even be impossible to get a replacement motherboard from the manufacturer. Maybe you can get a second hand model on eBay or similar service. Usually it is simpler to get a new device and transfer your data from the old to the new system. Mind you, this course of action is only needed when you have bad chips on your motherboard.

If you exchanged the hard disk and your computer works as you expect, I would suggest you buy a similar sized SSD hard disk, those aren't that expensive anymore and make your Fujitsu work much faster. You will give it a new leash of life



#8 frusciante54

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Posted 26 January 2017 - 09:57 AM

Windows 8. And we all know that if I try to update, there's a 90% chance that it will try to install the updates and will say "Update failed, undoing" because I've tried them once. It takes precious hours away, and I end up with no changes at all.

#9 MadmanRB

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Posted 26 January 2017 - 10:00 AM

Windows 8. And we all know that if I try to update, there's a 90% chance that it will try to install the updates and will say "Update failed, undoing" because I've tried them once. It takes precious hours away, and I end up with no changes at all.

 

 

Is windows 8 the only version of windows you have or is this a "upgrade"?

 

Anyhow what GeroldM pointed out is correct and both of us may be right on what is going on here.

Software and OS can mess things up so can the hardware in question.

I would try software first and go up from there


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#10 frusciante54

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Posted 26 January 2017 - 10:03 AM

What do you mean by "have"? Because I don't even have the Windows installation DVD. I lost it. I just have it installed on my PC.




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