MacBook Pro won't boot up-stuck after logon screen
I have a 2 month old MacBook Pro. It has worked fine but last night I left it on with a lot of applications open. This morning all the apps were locked up and I was just getting the beachball. I was unable to quit any of them or even get to the point of restarting the computer. Once I did I was unable to boot. I get to the logon screen where I enter my password. I get all the way to the screen where I have my background but all I have is the upper right part of the screen (around a square inch) where you see the blue magnifying glass that you use for Spotlight. I get nothing else, no dock, pull down menus, etc. I have gone as far as putting the OS Tiger Boot Disk in and using the Option key to start from CD but then during the boot I get that black screen where it says I need to restart my computer and to hold down the power button.
Any ideas of what I can do?
Any ideas of what I can do?
Comments
Before checking hardware, see if it will boot with the Shift key held down (safe mode) or if it will boot with Command-s held down. That might give more information.
(Since you got past the login screen, it still could be a problem with that account. If you are ever able to get logged in, make a new test user account and log into that.)
See if it will boot the Hardware Diagnostic DVD.
The hardware things to check are
- reset the Power Management Unit: remove battery, unplug from power and then hold down the power button for 5-10 seconds
- Connected USB and/or FireWire devices or cards - remove all of them
- RAM: if you added any, remove it and revert to the Apple RAM.
- If only the original RAM is there, remove one of the two DIMMs and try to boot. Swap that DIMM to the other slot if it still crashes. Then try the other DIMM the same way.
- If none of that works, you could try reinstalling the OS but with a hardware problem you may wind up getting stuck halfway through and have no way to check any hardware problems.
Moving to Genius Bar.
My whole classroom of MacBooks had this problem today. The tech department sent our best guy down but he couldn't figure it out. He thought it might have been a network problem but he could not even login to local accounts.
en, i can accept this view, but not the fully
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