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Defrag


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11 replies to this topic

#1 terryw45

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Posted 12 November 2017 - 04:55 PM

Big Hi to all,

Is there any truth in 'defragging can be harmful' to your computer, I use Piriform defrag about once a week, continue or go monthly ?

thanks

Terry



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#2 JohnC_21

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Posted 12 November 2017 - 04:59 PM

Actually, Windows 7 automatically defrags your hard drive every Wednesday using Task Scheduler. I would not bother with a defragger utility in Windows 7. You do not want to defrag a SSD.



#3 terryw45

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Posted 12 November 2017 - 05:11 PM

JohnC_21

Thanks, I'll leave it alone, What's SSD?, (I'm still 'steam powered' !)

Terry



#4 JohnC_21

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Posted 12 November 2017 - 05:33 PM

SSD is Solid State Drive. Only hard drives should be defragged. 

 

hddvsssd.jpeg

 

Technically Windows does defrag SSDs but not in the same way as HDDs and it's done without user involvement.

 

http://www.hanselman.com/blog/TheRealAndCompleteStoryDoesWindowsDefragmentYourSSD.aspx


Edited by JohnC_21, 12 November 2017 - 05:37 PM.


#5 pcpunk

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Posted 13 November 2017 - 06:05 PM

In my opinion it all depends.  I think once a week is excessive, and I also believe that it puts more mileage on the Hard Drive.  I think once a month for most users is fine, and I'm still not sure whether to use Third Party or inbuilt, but I think for most people the Windows 7 Inbuilt one it best!, this is what I will use from now on.  With the current Default Settings it will run on Wednesday morning 1am, so you will need to leave it on Tuesday night till after it is done.  You can change the settings if you like, mine is turned off as my pc is never running that early in the morning.  I run mine Manually when I have time, or think it needs a good cleaning.  HERE is a little tutorial on how to set it up.


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#6 joseibarra

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Posted 14 November 2017 - 03:09 AM

You do not have to " leave it on Tuesday night till after it is done".

 

Like many Scheduled Tasks if the task does not run because the time is missed (because the system is not running at the time) the Task will run as soon as possible after the time it is missed:

 

Attached File  Untitled.jpg   85.39KB   0 downloads

 

 

If things were not set up that way and if most people are sleeping at 1AM the task might not ever run for weeks, months, years.


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#7 pcpunk

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Posted 14 November 2017 - 09:44 AM

@joseibarra, thanks I did not know that.  In fact, I don't understand how it runs after that if one is using their computer.  Perhaps it starts until we start using the computer then quits when it detects activity, I don't know.  Either way I think I will keep using my logic, either let it run on schedule, or turn it off and run it manually.


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#8 FreeBooter

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Posted 14 November 2017 - 09:53 AM

You should defragment HDD if there is five percent or more fragmentation.



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#9 joseibarra

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Posted 14 November 2017 - 11:23 AM

You can run the Task anytime you want and when the Task runs it is a low priority so you might not even notice it running:

 

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#10 monkeylove

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Posted 13 December 2017 - 09:29 AM

In my case, I experienced slowdown for four Win 7 machines with the built-in defrag set. I eventually had to use a third-party tune up program to defrag, clean the system, disable unnecessary programs and services that were being autostarted, etc.



#11 monkeylove

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Posted 23 February 2018 - 12:38 AM

I just found out that sometimes the defrag does not run on schedule. It might have to do with the lack of idle time or something that causes the system not to be idle. To solve that I had to disable the scheduling feature in the defrag program and create a defrag schedule in the task scheduler that runs even though the system is not idle.



#12 pcpunk

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Posted 23 February 2018 - 08:16 AM

That makes sense to me as I've seen machines that are on 24/7 to be seen as Fragmented.  I'll need to test this on my machine, thanks!


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