ProBook 6550 b: 6550 b memory upgrade

I am trying to upgrade memory of my laptop from 4 to 8 GB, but nothing seems to work.

I read EVERYWHERE that the memory should be 2 identical SO-DIMM modules with the same size and the same voltage, speed and timing, but the memory that was originally installed is 1 x 1600 mHz and 1 x 1333 mHz... with a different timing and different manufacturers.

I tried all possible configurations, but then the delivery of Memtest the system crashes every time after it has reached more than 4096 M... so 4 GB... which leads me to believe that is the maximum amount of memory that is taken in charge even though the manual says it should be 8 GB.

I have ugraded the BIOS that does not help, and the advice I found it should be 'low density' fails since the original modules are also normal density.

Does anyone have an answer? It becomes boring reaaaaally

Hello:

The two that you listed, this is the one I would get if I had no other choice.

http://tweakers.NET/pricewatch/420129/g-punt-skill-F3-1333c9d-8gsa.html

The memory of SL is 1.35v = will not work.

I would like know what the difference was between the SA flag (which is sold to the Netherlands) and the indicator of the SQ (for memory sold in the USA).

Other than those two things, the memory specifications are the same.

Maybe before you buy, ask them at the link contact us...

http://www.GSKILL.com/en/product/F3-1333c9d-8gsa

Tags: Notebooks

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