![MacBook Pro (mid 2012) can't start with 3 alarms and sometimes can't wake from sleep - Ask Different MacBook Pro (mid 2012) can't start with 3 alarms and sometimes can't wake from sleep - Ask Different](https://i.stack.imgur.com/2S9et.png)
MacBook Pro (mid 2012) can't start with 3 alarms and sometimes can't wake from sleep - Ask Different
![A-Tech for Apple 4GB Kit 2X 2GB PC2-5300 iMac MacBook Pro Mid 2007 Mid 2007 Early 2008 MA897LL/A A1229 MB133LL/A A1260 MB134LL/A MB166LL/A A1261 MA876LL A1224 MA877LL MA878LL A1225 Memory RAM at A-Tech for Apple 4GB Kit 2X 2GB PC2-5300 iMac MacBook Pro Mid 2007 Mid 2007 Early 2008 MA897LL/A A1229 MB133LL/A A1260 MB134LL/A MB166LL/A A1261 MA876LL A1224 MA877LL MA878LL A1225 Memory RAM at](https://m.media-amazon.com/images/I/91zbdhm3bhL._AC_UF894,1000_QL80_.jpg)
A-Tech for Apple 4GB Kit 2X 2GB PC2-5300 iMac MacBook Pro Mid 2007 Mid 2007 Early 2008 MA897LL/A A1229 MB133LL/A A1260 MB134LL/A MB166LL/A A1261 MA876LL A1224 MA877LL MA878LL A1225 Memory RAM at
![Early 2011 MacBook Pro - 3 Beeps when starting and has a black screen. Apple Genius said it was a problem with the original RAM so I ordered replacement RAM and installed Early 2011 MacBook Pro - 3 Beeps when starting and has a black screen. Apple Genius said it was a problem with the original RAM so I ordered replacement RAM and installed](https://external-preview.redd.it/S0xSLQDcq9PuNuMVuK08S4xX_jexPu8SjeLFEt-JE_U.jpg?auto=webp&s=2483c3bd1fc9c3a46f2655aa4423b17405bab127)
Early 2011 MacBook Pro - 3 Beeps when starting and has a black screen. Apple Genius said it was a problem with the original RAM so I ordered replacement RAM and installed
![CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core I5 2.5 13" Mid-2012 - A7 at Amazon.com CMS 16GB (2X8GB) DDR3 12800 1600MHz Non ECC SODIMM Memory Ram Upgrade Compatible with Apple® MacBook Pro Core I5 2.5 13" Mid-2012 - A7 at Amazon.com](https://m.media-amazon.com/images/I/41Sssp+JG2L._AC_UF894,1000_QL80_.jpg)