![Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Upgrade Replacement for Apple iMac 21.5 Inch Late 2011 Core i3 3.1 All-in-One Desktop PC MC978LL/A, AMD ATI Mobility Radeon HD 6750M, Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Upgrade Replacement for Apple iMac 21.5 Inch Late 2011 Core i3 3.1 All-in-One Desktop PC MC978LL/A, AMD ATI Mobility Radeon HD 6750M,](https://m.media-amazon.com/images/I/714XlU0HF2L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Valley Of The Sun Original Graphics Video Card GPU Upgrade Replacement for Apple iMac 21.5 Inch Late 2011 Core i3 3.1 All-in-One Desktop PC MC978LL/A, AMD ATI Mobility Radeon HD 6750M,
![After upgrading the drivers from bootcampdrivers.com on my 21.5 inch mid 2011 iMac, the display driver says "AMD Radeon 6600M and 6700M series", while it said "AMD Radeon HD 6750M" before. Any After upgrading the drivers from bootcampdrivers.com on my 21.5 inch mid 2011 iMac, the display driver says "AMD Radeon 6600M and 6700M series", while it said "AMD Radeon HD 6750M" before. Any](https://preview.redd.it/r0oayy53gkl51.jpg?auto=webp&s=5c6b4e97c8a2a07f17812d0fddb6383f6deb9007)
After upgrading the drivers from bootcampdrivers.com on my 21.5 inch mid 2011 iMac, the display driver says "AMD Radeon 6600M and 6700M series", while it said "AMD Radeon HD 6750M" before. Any
![661-6023 - Apple AMD Radeon HD 6750M 256MB GDDR5 128-Bit Video Graphics Card for iMac 21.5-inch Mid 2011 661-6023 - Apple AMD Radeon HD 6750M 256MB GDDR5 128-Bit Video Graphics Card for iMac 21.5-inch Mid 2011](https://harddiskdirect.com/media/catalog/product/cache/8b3df2345e86c5269ef614787fcda95d/6/6/661-6023-661-6023.jpg)
661-6023 - Apple AMD Radeon HD 6750M 256MB GDDR5 128-Bit Video Graphics Card for iMac 21.5-inch Mid 2011
![Original Radeon For iMac 21.5'' A1311 27" A1312 HD6750M HD6750 512MB 109-C29557-00 216-0810005 Video Graphics Card Test Ok Original Radeon For iMac 21.5'' A1311 27" A1312 HD6750M HD6750 512MB 109-C29557-00 216-0810005 Video Graphics Card Test Ok](https://ae01.alicdn.com/kf/S6d61e2e1d36c46538a89380d5975bc0eT/Original-Radeon-For-iMac-21-5-A1311-27-A1312-HD6750M-HD6750-512MB-109-C29557-00-216.png)
Original Radeon For iMac 21.5'' A1311 27" A1312 HD6750M HD6750 512MB 109-C29557-00 216-0810005 Video Graphics Card Test Ok
![HIS 6750 Fan 1GB GDDR5 PCI-E DP/DVI/HDMI < HD 6700 Series < Desktop Graphics < Products | HIS Graphic Cards HIS 6750 Fan 1GB GDDR5 PCI-E DP/DVI/HDMI < HD 6700 Series < Desktop Graphics < Products | HIS Graphic Cards](http://www.hisdigital.com/UserFiles/product/H675F1GD_all_1600.jpg)
HIS 6750 Fan 1GB GDDR5 PCI-E DP/DVI/HDMI < HD 6700 Series < Desktop Graphics < Products | HIS Graphic Cards
![X4000 graphics driver crashes (AMD Radeon HD 7970, AMD FirePro D300, D500, D770, AMD Radeon R9 M380 27" iMac)) - Bug Reports - Vuo Community X4000 graphics driver crashes (AMD Radeon HD 7970, AMD FirePro D300, D500, D770, AMD Radeon R9 M380 27" iMac)) - Bug Reports - Vuo Community](https://community.vuo.org/uploads/default/original/2X/a/a36e26e95edf123f1ce9dc88398069b951bdaca2.png)
X4000 graphics driver crashes (AMD Radeon HD 7970, AMD FirePro D300, D500, D770, AMD Radeon R9 M380 27" iMac)) - Bug Reports - Vuo Community
![Amazon.com: Original Graphics Card GPU Replacement, for iMac Late 2011 21.5-Inch A1311 Core i3 3.1 Desktop PC MC978LL/A, for AMD Radeon HD 6750M GDDR5 256MB 109-C29557-00 MXM GPU Video Board Repair Parts : Amazon.com: Original Graphics Card GPU Replacement, for iMac Late 2011 21.5-Inch A1311 Core i3 3.1 Desktop PC MC978LL/A, for AMD Radeon HD 6750M GDDR5 256MB 109-C29557-00 MXM GPU Video Board Repair Parts :](https://m.media-amazon.com/images/I/7124gOqbNSL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Original Graphics Card GPU Replacement, for iMac Late 2011 21.5-Inch A1311 Core i3 3.1 Desktop PC MC978LL/A, for AMD Radeon HD 6750M GDDR5 256MB 109-C29557-00 MXM GPU Video Board Repair Parts :
![For iMac A1311 21.5" Mid 2011 AMD Radeon HD 6750M 512MB Upgrade Nvidia K1100m 2GB GDDR5 Video Graphics Card MC309LL/A MC812LL/A - AliExpress For iMac A1311 21.5" Mid 2011 AMD Radeon HD 6750M 512MB Upgrade Nvidia K1100m 2GB GDDR5 Video Graphics Card MC309LL/A MC812LL/A - AliExpress](https://ae01.alicdn.com/kf/Hd009ad9a57dd4fe288b03d792f1c18ccN/For-iMac-A1311-21-5-Mid-2011-AMD-Radeon-HD-6750M-512MB-Upgrade-Nvidia-K1100m-2GB.jpg)