4 (2.62 usable) GB RAM? System window 8 64-bit

Upgrade Windows 7 to 64-bit window 8. I rolled 1 GB ddr1 ram, but it shows only 2.62

2.62 exceeds the memory of 64-bit windows

1, some computers may use only 1 or 2 sides ram cards to chip, not both, install one or the other.

Also, you may have a bad battery MB, if it's a desktop pc, install a new one, they cost about 5.00

Read the manual of the owner on the 'how', once installed reset the BIOS as it returns by default...

Tags: Windows

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