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Lenovo Staff
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I need to upgrade the RAM of my ThinkCentre M58p to 8GB.


It is running  Windows 7 64 bit


I currently have two of 1GB  in the machine now and have tried two sets of new compatible memory  2x4GB sets,  but when I power my system back on I get three beeps and no posting, and this remains the same when I  tryi to boot with 1 of the 4GB sticks installed.


Note that there is a restriction to the number of GB a DIMM  slot can hold - and that is 2GB per DIMM slot for a 4 X2 GB set-up.


More information about this can accessed here.

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