You will experience a 0x000000A5 stop if you add RAM while the computer is hibernating.

NOTE: You must always shutdown prior to changing RAM.

If this problem persists after restarting your computer, use the Recovery Console to delete the Hiberfil.sys file.

NOTE: The System event log will contain an error similar to:

Date: <Date>                              Source: System                              Time: <Time>                              Category: (102)                              Type: Error                              Event ID: 1003                              User: N/A                               Computer: <ComputerName>                              Description: Error code 000000A5, parameter1 00000011, parameter2 00000006, parameter3 00000000, parameter4 00000000.