iMac Late 2012 21.5 inch - problem!
Hi everyone,
Looking for some advice. I've been the proud owner of a lovely Late 2012 iMac 21.5 inch for five years now, however it's now developed some major problems. Here are my machine specs:
Processor: 2.7 GHz Intel Core i5
Memory: 8 GB 1600 MHz DDR3
1TB SATA Disk
NVIDIA GeForce GT 640M 512 MB
macOS Sierra Version 10.12.6
Basically I had a massive scare with it last year when out of the blue, my machine wouldn't boot past the Apple logo screen. I managed to fix the problem (or so I thought) by going into recovery mode, loading the OS onto my external hard drive so I could recover all of my files from the SATA Disk, wiping the SATA disk and reinstalling the OS onto the iMac's original drive, so I could load my computer off that again.
However this turns out to be a temporary solution, as I keep having this same problem where the iMac will decide not to boot. I've been using my iMac relatively fine throughout this last week (boot up is fine, if a little slow), but today it wouldn't load past the Apple logo screen. Either the loading bar would fill up completely but nothing would happen, or the loading bar would load about half way or so and then the iMac would just switch itself off. Again, I've had to go into recovery mode, load OS onto my external drive just so I can access the machine again.
Has anyone experienced this problem before? The only thing I can think of is that it might be a hardware problem and not a software problem, since the computer does work fine once I've reloaded the OS, but after a while it'll just cave in again and stop working.
Many thanks!
Sophie
iMac, macOS Sierra (10.12.6), 21.5 inch, Late 2012
