One of the critical issues of the Apex open-beta is the error AP301. It denotes the absence of the video driver or its damaged data, so you should simply reinstall it.
- One should go to the System tab that can be found in the Start menu -> Settings.
- Switch to the Display section there and look for Advanced display settings.
- In Display adapter properties can be found the desired Adapter Type. It will show you the exact name of your graphics card.
- Visit the GPU manufacturer’s web-site to download the most recent driver.