Question about Computers & Internet
When i switch the macbook on i hear the chime,then i see apple logo with the wheel spinning and few seconds later it shuts down every time.when i tried single user mode it runs tests and it crashes down after some time.when i run verbose mode it gives me bootcashecontrol:unable to open /var/db/bootcache.playlist: 2 no such file or directory... and it crashes again please help.tried smc reset,nvram reset nothing worked still the same
Have you tried booting off of your restore disc? During startup you can boot from a CD, DVD, or thumb drive by holding "C" while booting. You can also try starting into recovery system by pressing "R" and "command" keys while booting, but I'd reccommend trying the bootable disc method first. Hope this helps!
Posted on May 03, 2014
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Posted on Jan 02, 2017
SOURCE: macbook pro unexpected shut down
After determining the battery health:
Then calibrate the the battery:
Posted on Apr 22, 2009
SOURCE: Macbook Pro just shuts down
This sometimes happens when you have it plugged in to an electrical socket as well. I have recently been having this problem and I have a brand new battery, so it's likely the logic board. If you're still having the problem, and the monitor image shows weird fragmentation on startup, it's likely to be the logic board that needs to be replaced.
Posted on May 05, 2009
Your Macbook should automaticaly find the best resolution, if everything was OK. Is there any HDMI input on the dell projector? What projector is it? Is there is an HDMI input, you can use a HDMI to mini DVI cable: better picture and sound than VGA, and will probably solve your problem
Posted on Jun 27, 2009
SOURCE: MacBook won't start up.
If you have your Mac OS X Install disc, insert it into the drive.
Restart the computer and hold down "C" while booting.
Choose your language.
Select "Disk Utility" from the "Utilities" in the menu bar.
Select your Macbook's hard drive in the left sidebar.
Click the "First Aid" tab thats along the top of the viewer window.
Click "Verify Disk" (not verify disk permissions)
If this shows errors click "Repair Disk"
Once completed close the Disk Utility window.
Restart the computer.
If this fails to fix it as well then your next option would most likely be recovering your files from the macbook either by booting into target disk mode (hold down T at startup) and transferring them via a firewire cable, or removing the hard drive and hooking it up to another Mac to get the files. Then do a clean install of Mac OS X using your installation discs.
Posted on Feb 15, 2010
Power the machine down. Press the power button to turn it on. After you hear the startup chime, press and hold the shift key. This will trigger an extended file system check and a safe boot. Continue holding the shift key down until you see the spinner, then you can release it. If it doesn't boot completely after this, you will have to bring it in to an Apple-certified tech for repair.
Posted on Apr 03, 2010
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