If the key does not work, Coby laptops sometimes use keys common to other generic OEM manufacturers. Try the following options using the same "tap repeatedly on startup" method:
Start with F2 . If that fails, try Delete . coby laptop bios key
Coby no longer manufactures laptops, so models vary. If F2 doesn't work, restart and try Del, F10, or Esc. For some Coby tablets with a keyboard dock, you may need to press a physical button combination (e.g., Power + Volume Up). If the key does not work, Coby laptops
Note: Coby as a brand has been largely inactive in the laptop market for several years. If you are looking for drivers or support documentation, you may need to identify the specific motherboard model inside the device to find compatible drivers. Coby no longer manufactures laptops, so models vary