4gb (only 2.99gb usable) dell optiplex 745

Agefox

Commendable
Jul 5, 2016
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I have mid tower dell optiplex and i have
2 (1gb ddr2)
1 (2gb ddr2)

the 2gb ram i took from an old work pc
i tried installing them in many ways to make the all 4gb readable but it was not possible
what should I do

another thing when i used only 2gb ram or the dual 2X1gb ram it read it normally as 2gb with no usable message

I added a photo here
the 2gb ram in the front while the other two 1gb in the back

is this right or i missed something
https://s30.postimg.org/58gbwg8a9/19024411_1565781223494457_164009549_o.jpg
 

Agefox

Commendable
Jul 5, 2016
6
0
1,510
0


Cpu-z shows memory like that and forgive me if I missed something, I never used this program before


gfx card is built in intel


 

clutchc

Titan
Herald


That "missing" memory is used by the video buffer. Win sets aside some system RAM for a buffer depending on the size of the card's VRAM.
 

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