25 minuten - 1 uur
The MBP was running really slow for over a year, and when I say slow, I mean even launching System Preferences would cause a spinning beach ball and take up to a minute sometimes. I upgraded the HD to and SSD and upgraded the RAM from 4GB to 8GB. I tried to install Mavericks on the new HD but the install kept dying. My first thought was it could the logic board so I put the old HD and RAM back into the laptop and decided to bring it to the Apple Store to see if they could diagnose a logic board issue.
The Apple Store was going to just replace the OS on the same hard drive. I figured this wasn't the issue (b/c I had unsuccessfully tried to install Maverics on a brand new SSD) so I thanked them and decided to search the interwebs for more information.
I found numerous posts online about 2011 MBPs that have issue with the hard drive cable. I figured it was worth a shot to spend $45 for a new cable to see if that was the issue. I put the SSD and new RAM and this time added the new HD cable. It booted up in seconds and now it is faster than it ever was!
Process was straight forward. It took about 10-15 mins to install. As always the guides from iFixit are spot on :)
Do some research online to see what else could have been the issue. If I would have gone with the Apple Store suggestion, I'm not sure how much money I would have spent letting them figure out what was wrong. I was saddened that they didn't put together the year and model of my laptop with the amount of issues seen with the HD cable.