Computer won't restart after adding memory

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NotKidRock

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Nov 3, 2013
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I am a computer novice, so bear with me.

I have an Asus motherboard (M4A7875TF V EVO). AMD Phenom II Black edition, 955, 3200 Mhz.

I currently have 4 gigs of memory: 2 Corsair CMX4GX3MA1600C9 1600 Mhz 4 GB (2x2GB) 9-9-9-24 1.65 Ver 2.3 09510563 sticks.

I purchased and installed more memory in the remaining 2 open slots: 2 Corsair TR3C6G1600C8D 6GB (3x2GB) 2048GB 1600 Mhz 8-8-8-24 1.65 ver 3.2 0910022 memory sticks.

Now the computer wont restart (reboot?). The computer light turns on, but nothing proceeds further.

What did I do wrong? Can anyone help? Please remember I am new.
 
Solution
RCguitarist


Yes, you will need the 64 bit version to be able to access more than 4GB of ram.
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photonboy

photonboy

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Jun 20, 2006
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For one thing, your system may be unstable if you mix memory. It can be done but usually you need the same frequency and CAS (i.e. 1600MHz CAS9) for all sticks.

1) SWAP the new memory for the old memory (same slots) and leave the old memory uninstalled
2) Boot into your BIOS and apply the default settings for the CPU and memory
3) test with memtest www.memtest.org
4) boot to Windows.

If memory is not detected, do THIS:
1) reinstall old memory and do a BIOS update if one exists
2) retest new memory
3) if still fails, try one stick at a time but ONLY in the proper slot (see motherboard manual)

6GB is plenty of RAM for games, so I would stick with just that. I couldn't find your motherboard as no Google results came back.
 
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N

NotKidRock

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Nov 3, 2013
7
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10,510
For one thing, your system may be unstable if you mix memory. It can be done but usually you need the same frequency and CAS (i.e. 1600MHz CAS9) for all sticks.

1) SWAP the new memory for the old memory (same slots) and leave the old memory uninstalled
2) Boot into your BIOS and apply the default settings for the CPU and memory
Click to expand...

I removed all the old memory and installed the new memory. But I still cant start the computer to get into BIOS. It just wont boot/start.

6GB is plenty of RAM for games, so I would stick with just that. I couldn't find your motherboard as no Google results came back.
Click to expand...

Here is my motherboard
http://www.asus.com/Motherboards/M4A785TDV_EVO/

 
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lookerup

lookerup

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May 25, 2011
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take all the ram out. Put one 1 stick ONLY in your mobo and see if it bots up. And yes use memtest86(you have to burn it.) When you are done with the first stick. Keep doing it until you get no errors.

For future reference buy Ram either the same model or same specs. Like photonboy said it can make your system unstable.
 
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NotKidRock

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Nov 3, 2013
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found the solution: I needed to turn up the voltage in the BIOS. That worked, BUT... I have Windows 7 32 Bit and I added 6 megs of memory, but only 3.25 are useable. So I guess I need to buy Windows 7 64 bit to get more use of the memory.:heink:
 
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lookerup

lookerup

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do you have a friends that has one? they are pretty expensive.
 
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RCguitarist

RCguitarist

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Apr 2, 2013
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Yes, you will need the 64 bit version to be able to access more than 4GB of ram.
 
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