I recently got 8gb (4 x 2) of extra ram in order to increase my computers performance. Basically either I'm doing something horribly wrong, or they're being fuck wits. When I put in all 4 sticks of ram, my computer wont go into its boot sequence. When I just have 3 sticks, It'll work fine... With the exception of it saying 6 GB ram 2GB Usable. I Really need some help here, I have no idea what I'm doing wrong. I also checked if they're compatible, and according to my motherboard specs ([URL]http://www.asus.com.au/Motherboards/Intel_Socket_1156/P7P55DE_LX/[/URL]) It supports DDR3 1333 Memory. So yea I'm out of ideas here, but my guess is I'm doing something completely wrong.
First of all, make sure you have a 64 bit OS.
Secondly:
- Are you sure the 4 modules are of the same brand and making?
- Are they on your motherboards compatibility list?
- Is the RAM plugged in properly?
- Are the pins in the RAM slots of your motherboard not broken or bend?
- Are the RAM slots free of dust?
- Does the computer boot with each module of RAM separately?
Thirdly:
If non of the above resolves the issue, do a Memtest with each module individually.
Windows has a Maximum Memory setting. If it's set it will prevent you from using anything more. That could be why Windows is saying 2 out of 6 GB usable.
Here's a guide...
[url]http://www.sevenforums.com/tutorials/66482-memory-set-maximum-amount-used-windows-7-a.html[/url]
I'd advise using Drumdevil's tips to find out why it isn't booting with all of the sticks.
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