Get Bios Hardware Check PNG. Check your bios version at the command prompt to check your bios version from the command prompt, hit start, type cmd in the search box, and then click the command prompt result—no need to run it as an administrator. The bios has 4 main functions:
The first thing the bios does is check the information stored in a tiny (64 bytes) amount of ram located on a complementary metal oxide semiconductor (cmos) chip.
Use the right arrow or left arrow keys to navigate through the menu selection to find the primary hard drive self test option. Apple diagnostics also suggests solutions and helps you contact apple support for assistance. The traditional way to check the bios version on a computer is to watch for the version notation that appears on the screen during the post as your computer starts to boot. On the main menu, click system tests.