imac (late 2015)

My late 2015 iMac has suddenly been powering off at random times. I mostly find out its off in the mornings. I am unable to power it back on by pushing the button and the only thing that allows me to power it back on is if I remove the plug from the back of my iMac, wait for about 30 seconds...

I've got a 27" late 2015 imac, originally purchased through very.co.uk in April 2016. This imac had a number of faults and clocked up six trips to the apple store with a recurring hardware fault. At this point I should probably point out I'm a photographer and the imac is crucial for work. I was...

I just updated my iMac (Retina 5K, 27-inch, Late 2015) to High Sierra 10.13.4 and noticed that whenever I put my iMac to sleep mode, it's screen black-out instantly rather than fading out like it used to. Is there anyone who has the same issue or is it just me?

Hi everyone, suddenly noticed an issue while using Chrome/Safari. Seems to be happening when I’m using java, flash or something similar, I’m not sure. I’ve made a little video you can see here: https://cl.ly/3X3U1m0F1I2k/Screen%20Recording%202018-02-26%20at%2003.08%20pm.mov I have updated my...

Hi all, I have a late 2015 iMac 27 inch with a 1TB HDD. I have noticed that starting up applications is very slow. So I have decided to switch to an external SSD for installing Apps. I don't want to boot from it though. Is that system going to work and are the load times significantly different...

So, I have a late 2015 5K iMac with a 1TB 5400RPM HDD and would really love to be able to boot from an SSD. I have a few questions I can't find the answer for, even when searching the forum etc. Will running my OS from an external SSD be better than the internal HDD I currently have? If yes -...

Hello Friends, I am a newbie at this Forum, and hope will get help and suggestions from experienced people around here. Currently I am using iMac 27" 5K (Late 2015 Edition)and 4+4 RAM, want to upgrade to 32GB, need help as which one I should buy ??