Are the RAM Modules both of the same Brand / Type mixing Brands on computers will result with this problem.
You should always place the largest RAM Module closest the CPU central processing unit.
Because both RAM Modules are of the same size this will not apply.
Try alternating the Modules to see if you get the same result.
RAM, or random access memory, is the physical memory on the computer but only holds data while the computer is on.
The benefit of adding more RAM is that it generally makes your computer faster.
Almost all new computers recognize your RAM after you install it and restart the computer, but if yours doesn't there are a few simple things to do to get the memory recognized.
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
http://www.kitchentablecomputers.com/static.php - rules
Only work inside the computer case when the power has been switched off and disconnected. Never open the power source.
Some of the below steps recommend removing physical parts within the computer.
While in the computer it is highly recommend that you be aware of ESD and its potential hazards.
Check the type of memory you have.
Computer motherboards will work only with the type of memory they are designed for regardless if the memory fits or not.
There will be either a sticker on the memory or a listing on the packaging giving the memory type and speed.
Check the computer's or motherboard's manual for the type of memory that is compatible.
Install the memory and make sure it is tight, otherwise it may not get recognized.
The memory fits into slots on the computer's motherboard.
There are tabs on the side of the memory slots to release it.
Release the memory if it is installed and put it back in by pushing it down straight into the slot until it clicks.
Restart the computer and hit the appropriate key to enter the BIOS.
The key will be listed on the screen.
Go through the menu choices by using the arrow keys.
Look for the memory listing under hardware.
Make sure all memory listings are not listed as disabled.
If so, change them to enabled.
Choose anything listed similar to "Auto detect."
Exit the BIOS and restart the computer.