Question about Apple Computers & Internet
If hitting any key on the keyboard still gives a black screen then your computer has probably crashed, I suggest a restart. If during restart you only get a black screen (no apple logo, especially if no startup chime) then you may be experiencing a hardware issue, take it do your local repair agent to have a look at. If after restart the screen goes black after the apple logo was shown during boot, then you may have a corruption of your operating system and may need to try some recovery.
A good thing to do before trying any recovery/reinstall techniques is to backup your mac data. A good way to do that is to power on, when you hear the startup chime. press the T key. This will put the computer into target disk mode and will allow you to access the hard disk like its an external portable hard disk.
Beyond that I would need more information to help you further, like model of laptop, version of operating system if you know it.
Posted on May 29, 2014
Try holding the shift key when restarting the computer until it is all the way up. It would show safe mode. release the key. Basically it would not load 3rd party items to load. If it works find the offending program. Also go to the library and trash the " com.apple.plist ". Please include your OS version. Currently it is 10.9.3.
Posted on May 23, 2014
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Posted on Jan 02, 2017
reboot while holding the option key down. It should show you available hard drives from which you can startup.
Choose the drive and then press return or enter.
If nothing happens, turn off the laptop and insert your Mac OS disk and then reboot while holding down the C key.
The computer will load the system on the disc instead of your hard drive. Then instead of reinstalling the system software, look at the top menu and find the Disk Utilities program and run a repair on your hard drive.
Then reboot without the disk in the drive.
Posted on May 15, 2010
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