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MBP won't run Activity Monitor, other programs, find external after memory upgrade

J

johlinco

macrumors newbie
Original poster
I have a 15-inch 2.0 Ghz MBP that originally had 512 Mb of Ram. I just upgraded to two Gb but when I went to confirm that that new memory was in by checking in the Activity Monitor, the program would not open. I also tried to connect my external hard drive but its icon never appeared on the desktop. When I removed the external hard drive, I did NOT receive a message telling me that I had ejected it incorrectly which was something that I also found interesting. The new memory sticks are:

mushkin 1GB DDR2 667 (PC2 5300) Model 971504A.

The external is a Western Digital 500 Gb that I have never had any problems with.

What have I done? Someone help me.

Thanks.
 
johlinco said:
I have a 15-inch 2.0 Ghz MBP that originally had 512 Mb of Ram. I just upgraded to two Gb but when I went to confirm that that new memory was in by checking in the Activity Monitor, the program would not open. I also tried to connect my external hard drive but its icon never appeared on the desktop. When I removed the external hard drive, I did NOT receive a message telling me that I had ejected it incorrectly which was something that I also found interesting. The new memory sticks are:

mushkin 1GB DDR2 667 (PC2 5300) Model 971504A.

The external is a Western Digital 500 Gb that I have never had any problems with.

What have I done? Someone help me.

Thanks.
Click to expand...

Is it reversible? When you put the original RAM back, what happens?
 
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