late 2015 imac

So, I rebooted my Late 2015 21.5-in iMac to install Rogue Amoeba's Piezo software. It was in an endless boot loop when it tried to start up again. I eventually unplugged it and plugged it back in. Then I pressed Power and it booted just fine (after 10 minutes that seemed like days.) I logged in...

Hello, I've not had Bluetooth for a few months now (I'm using the Magic Keyboard 2 in wired mode and I'm using a decades old wired Logitech gaming mouse, zooming and scrolling gesture is not as efficient with a mechanical scroll wheel) but my Wifi is fine. I've done the Bluetooth reset using...

Hello Apple & Mac friends. What's the bandwidth of the USB 3 of the Late 2015 5K iMac and what version 3 is it? Is it USB 3.1 Gen 1 or Gen 2? Thank you. Stay safe & may all that you do be blessed and mistakes free.

So. I recently purchased a late 2015 27” iMac with only HDD. I want to completely remove the stock HDD, and install a NVMe (pcie) SSD as the only drive. I already purchased: Glue cutter, new glue set, 2TB Samsung EVO 970 Plus SSD. Questions are: A) It’s my understanding that my iMac will...

hello I wad like put ( M.2 2280 PCIe drives )can I ? Is there a motherboard ports m.2 AND I CAN USE Adapter...

Hello, I know this issue has been covered in a lot of different ways in other posts...I've read through a lot of them but haven't found anything definitive for what I'm looking for...so sorry if I missed it. I have a Late 2015 iMac 27" (i7, 17,1) with a 2TB Fusion Drive. I'd like to update from...

Hi, long time lurker now posting. I received my new Late 2015 5k iMac yesterday, i7 16GB ram M395X and 1TB Flash drive. Now I have all settings in power turned off so no Wake on network no power Nap and hard drives set to stay on as ~I have a 3TB external spinner that seems happier spinning and...