HD 6900 series gpus are legacy products and they are no longer supported by the latest Adrenalin drivers. Please check this page: https://www.amd.com/en/resources/support-articles/faqs/GPU-630.htmlhttps://www.amd.com/en/support/kb...
The final compatible driver is available here: https://www.amd.com/en/support/graphics/amd-radeon-hd/amd-radeon-hd-6000-series/amd-radeon-hd-6990
Thanks.
