iMac blank screen

Hi gfer19

welcome to the Apple (user-to-user) Community:

Re: "iMac blank screen"

You might want to check that you have the newest version of MacOS 13. Eg:What's new in the updates for macOS Ventura - Apple Support

says 13.3.1 is the newest (has bug fixes etc).

How to: Keep your Mac up-to-date – Apple Support

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Re: "you can tell the screen is on, just not showing anything".

Sometimes just re-starting your Mac can help restore normality.

Shut down or restart your Mac – Apple Support

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Re: "All of the other answers/possible solutions I have found are for MacBooks not an iMac".

If you haven't already tried these:

Apple Support's online (MacOS) articles may help:

Eg: You can check for faulty software or restart your iMac in Safe mode:

(Unnecessary virus checkers, third-party (non-Apple) apps,

even Ad-blockers, or VPN can cause problems)

If your Mac restarts and a message appears – Apple Support

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Re: "It will do it while I am actively using it as well as sometime during the night when I am not using it as I have to press & hold the power button to turn it back on".

What to do:

If your Mac starts up to a blank screen - Apple Support

If your Mac doesn't start up all the way – Apple Support

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Re: "Sometimes have to press and hold the power button more than once to get any sort of response".

Ways to start up your Mac – Apple Support

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Re: "It is updated to the most recent macOS ventura, and isn't even 2 years old yet so I really don't understand why it is doing this all of a sudden"

.

You might want to check with the experts if your less than 2 years old iMac is covered by Apple Care:

Eg: You can enter the serial number to check coverage:

Check Your Service and Support Coverage - Apple Support

or

One stop for technical support, Apple hardware service, and software support.  Call Apple Support at 1-800-APLCARE (or use the app)

AppleCare Products - Apple

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Another avenue is to reach out to the iMac Support Team:

There is a "Get Support" link (eg: online chat, phone, eMail etc)

at the bottom of their webpage (link below):

iMac - Official Apple Support

or

Apple phone numbers around the world

Contact Apple for support and service - Apple Support

All the best :-)

I have this problem when I launch the Photos app. When the cursor hovers over a video file, the screen goes blank. After clicking the mouse, the screen return. This occurred since the latest macOS Monterey 12.6.7. My iMac is late 2015 model. 40G of RAM

Thank you for letting us know you found our reply helpful, gfer19.

Cheers :-)