RAM suddenly went to single channel, only half my ram is being read?

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trueheartlessone

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Jan 28, 2014
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My computer has 8gb of RAM installed. Everything was working normallly until one day the computer crashed and black screened. The computer wouldnt boot to anything, so i took the battery out to reset the bios, and after a lot of trying, it booted back up. Now when I go on the computer though, it says i only have 4 GB on RAM? I went onto CPU-Z and it tells me that it is recognizing both of my RAM sticks. When i go to slot 3, it shows nothing, so i know its reading my two individual RAM sticks, but the 'channel' is in Single now? Here are the screenshots needed to help me reset this if anyone knows how >.> http://imgur.com/a/IaunB And here is Windows telling me I only have 4 GB http://imgur.com/x1cXrRv
 
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M
Looks OK, but you might want to run it a few more passes.
If you get an error, you want to run 1 stick so you know which one is bad.

The reason you run it more than 1 pass, is there is no exact place that memory stores things.
It is just an area.
The pass doesn't hit all of every area every time.

I would also try 1 stick at a time in each of the slots, and see what happens.
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millwright

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Jul 1, 2007
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You really have to test, and RAM fortunately is one of only 2 things you can test with software.

http://www.memtest.org/

Test 1 stick at a time do a couple of full passes on each stick.

If the error is small, it might have to run all night to find it, but you error sounds big, so it should show up right away.

Hard drive is the other thing that can be tested with software.
 
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millwright

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Jul 1, 2007
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Looks OK, but you might want to run it a few more passes.
If you get an error, you want to run 1 stick so you know which one is bad.

The reason you run it more than 1 pass, is there is no exact place that memory stores things.
It is just an area.
The pass doesn't hit all of every area every time.

I would also try 1 stick at a time in each of the slots, and see what happens.
 
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