Wow, I found the negative reviews like anomalies so I bought and installed the memory last night. As I said before, I'm trying to restore my system using Time Machine. After installing the memory, I booted up my system and my processing speed got faster. But then my system suddenly shut down. After restarting, the system turned off for the second time. On the third try I ran the system diagnostics through Yasu and then my system froze. I did a forced reboot and on boot up when the Apple logo appeared there were a lot of system error messages. something like "cannot perform kext scan: no kext summary". I replaced my old RAM and the same system error kept popping up so I reinstalled the new RAM thinking it wasn't the problem. I tried running Mac OSX Recovery last night but I couldn't complete the reinstall of OSX Mavericks and every time I tried to do a Time Machine recovery the system just rebooted after about 2 hours and I was back at the beginning. This morning I decided to remove the new RAM and put the old one back in, and now it finally seems like I can reinstall OSX Mavericks. Now my system is doing a Time Machine restore which will take about 10 hours. The good news is that I backed up most of my files to the Time Capsule. The bad news is I'm not sure I backed up my daughter's 2 year old baby photos (the Time Capsule is 500GB so I had to delete some files from my 750GB MacBook hard drive so I could use the Time Machine - could save a copy). Yes, the wrong backup is my fault, but I just don't understand how something as simple as upgrading my apparently Apple-sold RAM could cause me so many problems. Attention buyers.
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