my desktop turns on but nothing is displayed on the screen. It's just grey.
what can I do to fix this or get all the data off of it
iMac 21.5″, macOS 10.12
Apple’s Worldwide Developers Conference to kick off June 10 at 10 a.m. PDT with Keynote address
The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.
The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.
what can I do to fix this or get all the data off of it
iMac 21.5″, macOS 10.12
Your data is on your Time Machine (or bootable clone) backup. If you have not been backing up you are about to learn a painful lesson on why backing up is NOT something you "should" do, backup is imperative and simple. Back up your Mac with Time Machine & OWC Mercury Elite Pro
Your options assuming the issue a hardware problem to get your data:
Welcome to the Apple Support Communities.
Have you followed the steps here: If your Mac starts up to a blank screen - Apple Support?
Jack
What model, year and OS are you running.
my desktop turns on but nothing is displayed on the screen. It's just grey.