![Early 2011 MBP was having issues with thunderbolt, so I reset NVRAM, and now it boots up but the screen is black. If I press the pause play button when booted up, Early 2011 MBP was having issues with thunderbolt, so I reset NVRAM, and now it boots up but the screen is black. If I press the pause play button when booted up,](https://i.redd.it/arfwrtic076a1.jpg)
Early 2011 MBP was having issues with thunderbolt, so I reset NVRAM, and now it boots up but the screen is black. If I press the pause play button when booted up,
![I have a MacBook Pro 2011 and basically what had happen was I my mac randomly stopped working one day it booted up into a grey screen so I reset the NVRAM I have a MacBook Pro 2011 and basically what had happen was I my mac randomly stopped working one day it booted up into a grey screen so I reset the NVRAM](https://i.redd.it/yorcw8iyyv591.jpg)
I have a MacBook Pro 2011 and basically what had happen was I my mac randomly stopped working one day it booted up into a grey screen so I reset the NVRAM
![How do I reset my MacBook Pro to factory settings without the original install disc? - Ask Different How do I reset my MacBook Pro to factory settings without the original install disc? - Ask Different](https://i.stack.imgur.com/sB5cE.png)
How do I reset my MacBook Pro to factory settings without the original install disc? - Ask Different
![Restore Mac to Factory Settings Without Disc - MacBook Pro, Air, iMac, Retina Display, Mini - YouTube Restore Mac to Factory Settings Without Disc - MacBook Pro, Air, iMac, Retina Display, Mini - YouTube](https://i.ytimg.com/vi/QdzefnG2fls/maxresdefault.jpg)