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Ashik
Ashik, Mac Technician
Category: Mac
Satisfied Customers: 9938
Experience:  Bachelor of Computer Application (BCA), 9+ Years of Experience in troubleshooting Macs, iPhone, iPad, iPod etc
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Turns on the iMac then logo appears and a rectangular box

Customer Question

Turns on the iMac then logo appears and a rectangular box appears at the bottom after few seconds it shuts off
Submitted: 1 year ago.
Category: Mac
Expert:  Ashik replied 1 year ago.

Hi and Welcome. My Name is ***** ***** I look forward to assisting you today with your question.

We can try some basic troubleshooting steps and see if it works or not. First reset the PRAM and NVRAM of your Mac. Follow the steps below to reset the PRAM and NVRAM

Shut down your Mac

Restart and immediately hold down Command-Option-P-R keys at the same time

Hold the keys down until the computer restarts and you hear the startup sound for two or three times.

Release the keys and let the Mac bootup.

If that didn't work, then restart your Mac and immediately hold down Shift key on your keyboard for 15 seconds and this will boot into Safe Mode. Does it boot into safe mode ?

Please let me know if that didn't work, so we can continue troubleshooting.

Remember, this is not my final answer. If my solutions didn't work please don't rate me bad or poor. Instead please reply back to me and I will continue to help you until we fix the problem or you are satisfied.