Mojave Graphics not detected AMD Radeon HD 6870

Hello All

I just successfully upgraded to Mojave but the only thing not working is my video card. It was fine in Sierra but it is not detected at all in Mojave.

I have an AMD Radeon HD 6870

Going into system Information i get the following

 Type: GPU Bus: PCIe PCIe Lane Width: x8 VRAM (Total): 3 MB VRAM (Dynamic, Max): Vendor: AMD (0x1002) Device ID: 0x6738 Revision ID: 0x0000 Kernel Extension Info: No Kext Loaded Displays: Display: Resolution: 1024 x 768 (XGA - eXtended Graphics Array) UI Looks like: 1024 x 768 Framebuffer Depth: 24-Bit Color (ARGB8888) Main Display: Yes Mirror: Off Online: Yes Automatically Adjust Brightness: No 

I can't switch my resolution from 1024x768 at all.

Motherboard is Gigabyte Z68XP-UD4

I have tried looking and can't find any info on what to do to make this work.

Can anyone suggest?

submitted by /u/Pwegs732
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