Adding ROM

Question

Recently I purchased a Dimension E520 with Windows Vista Ultimate with 2GB of RAM.  I just purchased 2GB of additional RAM from DELL to fill all 4 RAM slots for a total of 4 GB.  When I select F2 on start-up, I can see that all 4 RAM slots are occupied for a total of 4GB but after Windows Vista boots up, when I check system, it says that there is only 3GB of RAM.  Why isn't Vista seeing 4GB of RAM? Arctic Traveller

fireberd · Answer

32 bit operating systems can only address 3GB.  You would have to switch to the 64 bit version to get above 3 GB.     This has been discussed many times.  Do a search on the Vista Software section.

Caribou16 · Answer

Also, before you upgrade, make sure you have 64 bit drivers.

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Adding ROM

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