imac 27" mid 2010

I'm looking at upgrading my mid-2010 27" iMac 11,3 with new CPU and GPU to install a newer OS version. Had it since new and only ever really upgraded the RAM. Obviously it's struggling a fair bit these days, and just after a 'project' to avoid having to replace the iMac with a new one. Original...

So I've been wanting to upgrade my mid 2010 imac to something new and spiffy for a while now. I'm a starving artist, but my main uses for the imac are photoshop/blender/sketchup/zbrush. Right now I can still get by on my ancient 27incher as it is, but the screen is going and it's starting to...

Hi, I'm looking for a few tips or advise please, on my mid- 2010 27" iMac 11,3 Core i7 2.93 not recognizing installed ram. 1 beep every 5 seconds. The diagnostic LED’s 1 and 2 are lighting up but the ram error beep continues. Other than new ram or a bad/damaged logic board what could cause...