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Computer Performance Decreased After Installing New Ram


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#1 ExJan

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Posted 22 May 2014 - 11:26 PM

I have 4 Ram slots in my motherboard & I currently have 3GB Ram ( Kingston 1GB DDR2 PC2-6400 + Another DDR2 2GB PC2-6400 ) in the first and third slot.

However after I installed another 1GB ram (Transcend 1GB DDR2 PC2-6400) I noticed a performance decrease on my pc. (lagging games & web browser etc....)

 

 

1.tried changing the slots, but that didn't work. 

2. I thought it was my new ram, so i installed that one with my old kingston ram (1Gb+1GB) and the performance came back to normal.

3. Again I installed my new ram with my old 2GB ram stick (1GB+2GB) and it also worked.

4. But when I add all three ram sticks PC starts to lag I couldn't even use the internet.'

 

PS: My mobo is Intel DP965LT

OS : Windows 7 Ultimate 64bit Service Pack 1

 

 

 

Why is adding more ram decreasing my PC performance ?                                                     


Edited by ExJan, 22 May 2014 - 11:44 PM.


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#2 TsVk!

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Posted 22 May 2014 - 11:56 PM

Try putting the 1GB's in slots 1 and 3, and the 2GB in slot 2.

 

The problem is to do with throughput and dual channel memory. They need to be balanced.

 

It is really a huge topic, the correct search term and results are here if you'd like to really understand.



#3 ExJan

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Posted 23 May 2014 - 12:44 AM

That didn't work sadly. 

Below are the screenshots captured from CPU-Z about the three ram sticks.

 

 

21s8ev.jpg

 

21aeblg.jpg

 

 

28tx7up.jpg


Edited by ExJan, 23 May 2014 - 12:47 AM.


#4 TsVk!

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Posted 23 May 2014 - 01:12 AM

This appears to be some sort of timing difference with the Transcend RAM. It is beyond my knowledge how to fix it, if it is fixable.



#5 ExJan

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Posted 23 May 2014 - 02:01 AM

What if I replace Transcend ram with another Kingston ram similar to the one I already have ?

Will it fix the problem ?

Or should I get another 2GB ram with similar specs & dump the 1GBs ?



#6 ElfBane

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Posted 23 May 2014 - 02:10 AM

RAM speed needs to be same on all sticks, or the system defaults to the slowest speed. It can also help tremendously if the RAM manufacturer is the same on all sticks ( I know it probably shouldn't make a difference, but sometimes it does).



#7 ExJan

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Posted 23 May 2014 - 06:38 AM

I think I have to get another 2GB Ram & get rid of the 1GBs.

#8 Datcoolguy

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Posted 24 May 2014 - 11:07 PM

It'd be wise to get an identical 2GB stick of ram and only use the now two 2GB cards in slots 1 and 3, or 2 and 4 if your motherboard supports double channel ram.

 

Ram operates better when it's two identical sticks working at the same time, as there's really no compability issues.


"If you don't understand how your computer works, you shouldn't be messing with it!"


#9 ExJan

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Posted 25 May 2014 - 08:34 AM

Thanks. I'll try it.



#10 Datcoolguy

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Posted 25 May 2014 - 03:32 PM

Let us know if it works out!


Edited by Datcoolguy, 25 May 2014 - 03:32 PM.

"If you don't understand how your computer works, you shouldn't be messing with it!"


#11 ExJan

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Posted 25 May 2014 - 10:20 PM

I'll let you guys know.

#12 Mistersprinkles

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Posted 26 May 2014 - 04:07 PM

Sell ALL your RAM and buy a new 2X2GB matched set. As in they must come in the same box. Then install in slots 1 and 3. You gots to lurn yo memory skillz son.



#13 Datcoolguy

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Posted 26 May 2014 - 10:00 PM

They don't HAVE to come in the same box, as long as it's a clone of the other one it should work fine, no need to have consecutive serials or anything.


"If you don't understand how your computer works, you shouldn't be messing with it!"


#14 Mistersprinkles

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Posted 26 May 2014 - 11:34 PM

They don't HAVE to come in the same box, as long as it's a clone of the other one it should work fine, no need to have consecutive serials or anything.

They don't have to come in the same box no but I'm trying to make it failisafe for this guy.



#15 TsVk!

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Posted 26 May 2014 - 11:45 PM

They don't even HAVE to be the same brand... Same speed, timing and size still work.






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