Have an A88XM-A. The A10-7890K had an update option that I agreed to and it was a bad install. I now have a "GameManager32.dll" error. Not sure of the driver I should be installing for a clean install....is it Crimson edition HD 7700 – HD 7900 Series ? Thank You
GameManager32.dll is part of Raptr / Gaming Evolved, you can un-install that portion of the install via the system control panel / add & remove programs and then pick the AMD install manager and then custom uninstall and remove that app.
The A10-7890K has R7 GPU onboard so no it is nothing to do with the HD 7xxx series.
On the download page you would pick
A-series APU with R7 graphics
and then whatever OS you have