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Enable Support for More than 4GB of RAM

Posted On 2008-06-17 by FortyPoundHead
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Tags: General Tutorial Vista
Views: 1512


Windows Vista canít utilize more than 4GB of RAM by default. Hereís how to enable the ability for it to see 4GB of RAM or more.

  1. Press Window key + R to open the Run dialog, and then type cmd to open a command prompt. Press CTRL+SHIFT+ENTER to tell the command prompt to open with elevated privileges.

  2. Type BCDEdit /set pae ForceEnable and press Enter.
    Note: PAE must be supported by the processor.

  3. Type BCDEdit /set nx AlwaysOff & BCDEdit /set pae ForceEnable and press Enter.

  4. Restart Windows Vista.


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