ainge_b14 Author

Level 1

4 points

late 2011 MBP on endless reboot loop

Help everyone! I know it's an old unit... but how do I get out of the endless reboot loop. I don't know what happened... it was fine and then all of a sudden, screen went white and hang. When I tried to restart, by clicking on the power button, it did but then all it kept doing was restarting. I really need help...

Posted on Nov 30, 2020 6:31 AM

Reply

Similar questions

2018 iMAC is stuck on reboot loop; upgrade from Sierra to Monterey never finished I finally attempted to upgrade from Sierra to Monterey. Unfortunately, it kept getting stuck on “less than one minute” after I left it alone for several hours. I checked my storage beforehand, and I had plenty of space. I ended up turning it off (I now know I shouldn’t have done that), and it’s stuck in a reboot loop. It doesn’t say how much time is left but the bar starts to progress with a little bit of white and then it restarts. Same thing keeps happening over and over. I’ve tried to restart in safe mode by holding down the shift key, but that doesn’t seem to work. How can I stop the reboot loop?
1300 12
Trying to boot MBP it keeps restarting 1/2 way Please help. ‘I can’t start my MBP after a split second power. Outage we recently had. It acts like it wants to start and gets halfway through and just reboots itself. I can’t access the net or any of my external drives. I did do a ha hardware check and it appears to be ok. I can’t remember how to zap the PRAM or any other key combination that might be helpful. I don’t even remember what key to hold to start up from the original startup disk. T.I.A.
313 4
MacBook Pro(blems) Hi there: I have an old 17” MacBook Pro, 3.06GHz, Intel Core 2 Duo, 4Gb Memory, 1067 MHz, DDR3, purchased September 2009. It was running Mac OS Sierra which was as far as it would update but a couple of weeks ago, it crashed and wouldn’t reboot. After reading a couple of forums, I was able to restart it and reinstall Sierra which it did up to around 95% complete, then stopped. So I dug out the only OS discs I have, Snow Leopard and after verifying, repairing and eventually, erasing the hard disc, I clean installed Snow Leopard (via an external disc as the internal CD-drive hasn’t worked for years). My intention was to immediately update it to the latest OS (presumably Sierra again). The Mac now starts up and does its little animated Welcome movie then requests a few registration details. Depending on how quickly I fill in this info, either during or soon after, the ‘spinning beachball’ appears and that’s as far as I can get. I can’t force quit, I can’t use anything, the only option is to force shutdown. I have re-run the verify disc option from the installation disc which always reports no problems and I’ve re-installed Snow Leopard but always the same result, the spinning beachball and a force restart. I’ve also tried rebooting in safe mode but it gets no further than the grey screen and apple logo. My Mac knowledge is not great but if anyone has some step-by-step advice, I’d be really grateful as I’m getting nowhere. Many thanks, sheffgraph
1051 3

1 reply

Nov 30, 2020 6:47 AM in response to ainge_b14

ainge_b14 wrote:

Help everyone! I know it's an old unit... but how do I get out of the endless reboot loop. I don't know what happened... it was fine and then all of a sudden, screen went white and hang. When I tried to restart, by clicking on the power button, it did but then all it kept doing was restarting. I really need help...

See if you can boot to Recovery or Internet Recovery—

Recovery: https://support.apple.com/en-us/HT204904

Boot into Internet Recovery (Option Command R) and from the dropdown menu: Utilities> Disk Utility> run the First Aid on your Macintosh HD (and the "Macintosh HD-Data" volume as well if Catalina/Big Sur) If errors are found and repaired, run again until no errors reported.

Disk Utility>View>Show All Devices The best sequence is —

• Volume level

• Container level

• Parent drive

How to repair a Mac disk with Disk Utility https://support.apple.com/en-us/HT204904

How to reinstall macOS from macOS Recovery - https://support.apple.com/en-us/HT204904

Reply

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

late 2011 MBP on endless reboot loop

Welcome to Apple Support Community

A forum where Apple customers help each other with their products. Get started with your Apple Account.

Learn more Sign up