imac mid 2011 21.5"

I've searched for some answers but haven't quite found the one I need. A neighbor dropped off an older Imac. I'm thinking a 2011 21.5" model. It wouldn't boot past the initial loading screen and I think the graphics card has failed. I find replacement cards and the Radeon HD6750 M card is a...

I installed successfully Catalina using dosdude1 patcher on my iMac (21.5-inch, Mid 2011). As it has "AMD Radeon HD 6750M 500MB" graphic card so GPU didn't work. i got no hardware acceleration which made my graphics performance laggy poor, sleep & brightness functions didn't work either. I tried...

This is a Wiki post with information collected from the entire thread. Before you post, read this first. The difference between Mid 2011 21.5" and 27" concerning CPU upgradability is mainly caused by the available power from the power supply. --- The 21.5" has 210W power supply, the 27" has...

Hello there A friend' iMac has stopped working, does not power on. It is iMac mid 2011 i5. He brought it home for testing, and I found only LED #1 lights up when plugged. Power button does not power up the machine. -Power button works. Measured with a tester, both pins are shorten when...

iMac 21.5" mid 2011. I installed new hard drive and reassembled. Power would come on, but would not boot. Thought I might have a cable that was disconnected, checked cables and all was good. So,instead of reassembling everything, I put LCD in place without screws and booted and it booted up...

Hi guys, I've had my iMac for about 4 years now (but it's the mid 2011) and I've always played counter strike global offensive on it. I've noticed that my iMac gets really hot after a while and causes me to have mouse input lag. I know its a heating problem as when I play counterstrike when my...

Hi guys, I have an Imac but it won't work anymore when I push the power button. I went to the service center and they charged me more then the price I paid when I bought it (they wanted to replace the logic board, psu, and cpu). I found the other non-official service center and they said it was...