I am running a Late 2011 15” MacBook Pro & recent been having problems with it. I ran two scan and got very similar code I’m unsure of. What should I do because I am unable to access my laptop.
Error Codes:
4MEM/62/4000000: 0x850dd798
4MEM/62/4000000: 0x85157c98
MacBook Pro 15″, macOS 10.15
Are you getting 3 steady beeps on startup? If so then remove one of the RAM Modules - ground yourself first (ie: touch something metallic like a radiator) - try to boot up again and see if the MacBook starts up. If it does then you know the RAM Module is faulty and try and replace it. If it still does not boot up then replace the one you took out and remove the other one. Try again. If still beeping on start-up then replace both modules. This is what you can try yourself before moving onto booking a Genius Bar appointment to get it looked at.
Are you getting 3 steady beeps on startup? If so then remove one of the RAM Modules - ground yourself first (ie: touch something metallic like a radiator) - try to boot up again and see if the MacBook starts up. If it does then you know the RAM Module is faulty and try and replace it. If it still does not boot up then replace the one you took out and remove the other one. Try again. If still beeping on start-up then replace both modules. This is what you can try yourself before moving onto booking a Genius Bar appointment to get it looked at.
The MEM portion of that message indicates this is a RAM MEMory error.
The data shown after is likely to be the Bad Bit positions in the memory word, and the Hardware Address. Because the hardware addresses are so close to each other, they are likely in the same DIMM module, so Antonio Rocco's advice is perfect..
Apple Hardware Test Detected Error
