Thanks for your information.
Your current BIOS version is the latest and you don’t need to update.
①Update graphics driver: Please uninstall the graphic driver in the device manager and install the new one.
Here is the driver source for ser9 sn starts with d
Driver:https://url.bee-link.cn/9sNm Tutorial: https://url.bee-link.cn/wEmk
②Please test the RAM with Memtest86 software.