Macintosh operating system is reliable machine and there are many version available like Mac OSX, Macbook, Macbook Pro, still encounter problem. In many situation user come across Mac startup problem or Mac OSX Startup Error while in boot process the system fails to start and might also come across macbook pro stuck on loading screen. This might happen due to hard drive logic board problem, power supply issue, battery issue or might be OS corruption. So isolating about the problem becomes the key to find the solution.
Generally MacBook pro grey screen of death on logo is one of the major problems that is responsible for various issues in system. Like damaged internal application system settings and peripheral devices conflict. These problem can be resolve by following some major steps: Test external devices and disconnect it :- if Macbook is connected with any external device then simply is connect them and safely turn off the system. Now one by one start connecting external devices and keep checking whether the system get stuck on or not after connecting the device one at a time as this is a kind of test, doing this you would come to know that which device connection result in gray screen of death. If still problem remains then try ‘safe boot’ option.
Opt ‘safe boot’ option:- shut own system and then restart again by holding down shift key, this will make system to run in safe mood. “in safe boot various checking is performed an repair is also one that also include start-up and log-in apps”. If system starts properly then immediately shut down and start again. In case MacBook won't boot past grey screen then try next step.
Restart PRAM and NVRAM:- to reset PRAM and NVRAM, shut down the system an restart by holding command and P and R keys together, but before grey screen appears. And hold these keys until system start again and when startup tone is heard twice then release the keys. If still grey screen appears and MacBook Startup Error still exists then go to next step.
Repair Mac OSX using Disk Utility in recovery mood:- gray screen of death could be because of hard drive corruption. And this can be fixed in recovery mood. Run Disk Utility in recovery mood and make sure that system is turned off. Then press command + R key while system is booting. Once Mac starts in recovery mode then user would be able to use disk utilities. Click on disk Utility and locate Mac hard drive, click on verify disk option. If error exists then it finds then and then asks ‘would you like to repair them’. Then click on repair button.
In recovery mode many other useful tasks can be performed like:
User can restore their deleted data from Time Machine backup
Internet connection can also be checked
Verify and repair connected drives with disk utility
Can also get online help
But in case the MacBook Pro won't boot past apple logo is shown or gray screen still appears then contact authorized Apple service provider to resolve the problem.
MacBook Pro grey screen no logo also results in data loss situation. So in order to recover the lost or deleted data user can try professional Mac data recovery software, the software easily performs Macintosh file recovery in very simple an easy step. User can easily use this tool as it has easy to use interface and performs recovery with powerful algorithm.
Processor: Intel Power PC (G4 or later)
Operating System: OS X 10.6 Snow Leopard, 10.5 Leopard, 10.4 Tiger, and 10.3.9 Panther
Memory: 256 MB
Hard Disk: 40Mb