I would look at using BIOS 1709, 1807 reintroduced issues with EXPO timing for a number of users including myself (X670E-A). Also try plugging your monitor into the onboard graphics port, I had issues with the early BIOS's where the BIOS screen would...
The AMD I2C controller is from the AMD chipset drivers, so try reinstalling them. As regards the Wifi, the best option is to look at your Device Manager in Windows and check the Hardware ID on the details tab for the Unknown devices. Follow the advic...
I have a Strix X670E-A board and had a similar issue. I looked at the device code and realised that my version of the board is fitted with AMD WiFi and Bluetooth, only the Ethernet connection is Intel. Even Asus support insisted for an unrelated prob...
Also have a X670-A. When first installed and booted with the 0805 BIOS, I had similar problems, but seemed to be an issue with the video being sent to the onboard graphics instead of the video card, so the system was waiting for key presses. Then som...
