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Helpful answers
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Jul 17, 2015 5:08 AM in response to amill72by D.Cohen,Force your computer to shut down. Press and hold the shutdown button until Mac turns off. After that, follow these instructions.
- Shut down your Mac
- Wait until your computer turns off and after that press the Power button
- Right after you hear the startup tone, press and hold the Shift key
- Release the Shift key when you see a grey Apple sign and the progress bar below this sign
- After your Mac boots up, restart it as you usually do.
If this doesn't help, follow the instructions below:
- Shut down your Mac
- Wait until your computer turns off and after that press the Power button
- Right after you hear the startup tone, press and hold the Shift key
- Release the Shift key when you see a grey Apple sign and the progress bar below this sign
- Once you see Desktop, start a Disk Utility scan to detect and repair file system errors (don't forget to choose your main hard drive)
- Click on Verify Disk and then, if asked to fix problems, on Repair Disk
- After this, click on Verify Disk Permissions and then on Repair Disk Permissions
- After the process is finished, shut down your Mac and turn it back on after about 30 seconds
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Jul 17, 2015 5:11 AM in response to amill72by dominic23,★HelpfulForce Quit .
Press command + option + esc keys together at the same time. Wait.
When Force Quit window appears, select Photos if not already.
Press Force Quit button at the bottom of the window. Wait.
Photos will quit.
If this doesn't help, press the power button for 7 seconds or more.
Unfortunately you will lose all unsaved work.