![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/W/MEDIAX_792452-T2/images/I/51BpUv4fgDL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.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,
![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
![Amazon.com: Valley Of The Sun Graphics Video Card for Apple iMac Mid-2011 A1312 Core i5 2.7 27-Inch Desktop PC MC813LL/A, AMD Radeon HD 6770M GDDR5 512MB 109-C29557-00, MXM VGA Board Genuine Replacement Amazon.com: Valley Of The Sun Graphics Video Card for Apple iMac Mid-2011 A1312 Core i5 2.7 27-Inch Desktop PC MC813LL/A, AMD Radeon HD 6770M GDDR5 512MB 109-C29557-00, MXM VGA Board Genuine Replacement](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71GzKBBfIJL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Valley Of The Sun Graphics Video Card for Apple iMac Mid-2011 A1312 Core i5 2.7 27-Inch Desktop PC MC813LL/A, AMD Radeon HD 6770M GDDR5 512MB 109-C29557-00, MXM VGA Board Genuine Replacement
![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
![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
![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 :
![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)