PC freezes random.

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cosmin4

Commendable
Nov 18, 2016
14
0
1,510
Hello!
My problem is the following:
PC freezes when using simply your broswer or other programs, basically freezes for a few seconds. Inaininte I didn't have this problem, have windows 7 64 bit. I assume that is because of the memories ram, but I'm not sure of this. I notice that in task manager memory is used more than 50-60 per cent.
I really don't understand why this happens, I have all the drivers installed. I must mention that one current of ddr3 1333 MHz 3 GB are on the old pc and I intend to return, I have a 2 GB and 1 GB one. I don't know if it's because of it.
System:
-Windows 7 x 64
-AMD FX-6300 + Cooler Deep Cool Gammaxx 300
MSI GTX 750 OC 1 GB
-Windows 7 x 64
-Ram 3 GB 1333 MHz ddr3 (RAM on the old PC)
-Kinghston-120 GB SSD
-320 GB HDD
-Source 520W
 
Solution
clarkjd

You have 3gb of ram. Windows 7 needs 2gb of ram just to load the operating system. This leaves you with ~1gb of free ram. Now when you start an application, that takes even more ram. It does this for each application. Soon, you have used up all of your free ram. Now if you try to do something else there is no more ram available, so the Operating System looks at the least frequently used apps loaded, and then pages them out to the page file on your HDD. This takes noticeable...
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clarkjd

clarkjd

Splendid
Dec 7, 2005
6,486
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28,490
You are running a 64-bit OS on a 3GB machine. You do not have enough ram for a 64-bit OS. The system is paging itself to death! If you can't get at least 8gb of ram, then you need to start using the 32-bit version of windows. Going to 32-bit will help, but trying to run Windows 7 on less than 4 gb of ram is an exercise in futility. 32-bit Windows can address up to 4GB (slightly less) of ram. 64-bit Windows is only needed if you will have more than 4gb of ram. In fact 64bit Windows will run worse than 32bit windows does if you have 4gb of ram or less.:ouch:

What is causing the freeze is The OS needs to load more instructions, but doesn't have enough ram to do that, so it swaps some already loaded instructions to the page file on disk in order to free up some ram for the new instructions. This is what is referred to as "paging" and can take time(on the order of seconds) to complete. During the paging process, everything else STOPS, hence the freezes.



Edit: add more detail
 
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cosmin4

Commendable
Nov 18, 2016
14
0
1,510
So far I have not had this problem since I upgraded to ssd processor/have this problem. I installed a few minutes ago windows x 32 and the memory is used, 60% + nothing, when I just open your broswer. I do not understand what is happening.
 
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clarkjd

clarkjd

Splendid
Dec 7, 2005
6,486
34
28,490

You have 3gb of ram. Windows 7 needs 2gb of ram just to load the operating system. This leaves you with ~1gb of free ram. Now when you start an application, that takes even more ram. It does this for each application. Soon, you have used up all of your free ram. Now if you try to do something else there is no more ram available, so the Operating System looks at the least frequently used apps loaded, and then pages them out to the page file on your HDD. This takes noticeable time(seconds), but frees up some ram for the new instructions. The OS will follow this procedure whenever an application asks for more ram than is free and available. Whenever you try to use one of these "paged" instructions, then the OS will free the needed ram by paging out the unused code, and then paging in the needed code. After a while that is all your CPU is doing, paging out unneeded code and paging in needed code. This is known as "thrashing". The CPU is doing a lot of work but not really doing anything useful as far as you and your application are concerned, and EVERYTHING waits for the paging process to complete. This is what is happening during your freezes.

 
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