3gb ram but only 1gb usable?

  trisha01 08 Feb 13
Locked

Hi

I have an older desktop, Acer Aspire running Windows 7 Ultimate 32 bit, it had 4gb ram installed (I did know that only 3gb could be used)

yesterday I took one of the ram sticks out ( had 4 x 1gb) and put in a different computer. Since then it has started crawling along, I have noticed that it says 3gb ram 1 gb usable. is this something that I need to go into the bios for? I ran the memory diagnostic tool this morning but did not get to see a report.

  Pine Man 08 Feb 13

The RAM probably has to be installed in pairs.

  trisha01 08 Feb 13

it would say 2gb usable not 1gb? besides have had odd amounts in this pc before

  Pine Man 08 Feb 13

Sorry can't help you further.

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