Apple iMac 21.5" A1311 Mid-2011 ATI Radeon HD 6750m Graphics Video Card

Apple iMac 21.5" A1311 Mid-2011 ATI Radeon HD 6750m Graphics Video Card with heatsink and sensor, plus 3 months warranty against failure. Do NOT remove heatsink this will void your warranty and returns will not be accepted. Video cards and all components are tested prior to shipping, security marked to prevent fraudulent returns and signed off by a trained Apple technician.
Customers returning fraudulent parts will be reported to the Police in order to give eBay a valid crime number and reduce loss of income and stock shrinkage values.

Refurbished fully tested Genuine replacement Graphic/Video Card. Complete with Heatsink and sensor. System pulled from A1311 Mid 2011 intel i5 system never repaired guaranteed with 3 months warranty.

Apple Part No. 661-5944
Model: Api Radeon HD6750m
Memory: 512mb GDDR3 SDRAM
System Pulled Serial: c02hjv4rdhjf
SKU: AMR21/AMR22

**IMPORTANT**
Due to Apple no longer supporting 2011 systems, please ensure that an app called "MACS FAN CONTROL" is downloaded FREE from Crystalidea (search for on Google). Set this to "run from startup, minimised" in App preferences and set all fans to AUTO. If you are confident to do manual settings and know what these should be, then set the fans to increase through sensor temperatures. If unsure of these settings please ask we are here to help. 
This will prevent your new video card from overheating and failing prematurely.

If unsure if this part is compatible with your system please check original serial number above to see if your system matches the system the card was pulled from if unsure please contact seller directly. Also fits A1312 2011 (ask seller for fitting instructions)  and iMac A1311/A1312 systems from 2009-2011 inclusive
All parts are security etched DO NOT use parts for testing purposes as refunds will not be given

Customers returning fraudulent parts will be reported to the Police in order to give eBay a valid crime number and reduce loss of income and stock shrinkage values.