Solve : Windows accessing memory?

1.	Solve : Windows accessing memory?
Answer» I have a old Compaq nc8000 laptop, running Windows XP SP3. I recently upgraded the internal memory from 512M to 2G (two 1G cards). The computer BIOS RECOGNIZES the 2G of memory but Windows does not. Windows reports there is only 512M of memory. What do I NEED to do to have windows recognized all the memory installed?? MANY thanks in advance!!The Compaq nc8000 accepts 2G of RAM max and Windows XP Pro is able to recognizes up to 4G of RAM.Is it the CORRECT RAM ? ? All memory is not the same...

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