What does post code A2 mean?

Post code A2 means your MB can’t detect hard drive(s) with a valid partition and boot record. Temporarily remove your hard drives and perform BIOS recovery. After the BIOS recover, properly configure both Nvme (EFI) and SSD in the MB BIOS per your application.

How do I fix MSI 99 error?

Clear the CMOS battery Perhaps the most common trigger for error 99 is the temporary data that your CMOS battery failed to flush out in between startups. This leads to inconsistencies between the UEFI or BIOS settings. To solve this problem, you need to open your PC case and then manually remove the CMOS battery.

What does AB mean on motherboard?

“AB” means “Wait user command in BIOS Setup” “D9” means “Can’t load Boot Option”

How do I fix the A2 code on my motherboard?

As already described, the A2 PC error is related to the bootable devices on your computer. So, the first thing you should do is disconnect and then properly reconnect your drivers. In this way, you can get pass the A2 issue and access BIOS in order to set up the boot options accordingly.

How do I fix error code Asrock on A2?

Error code A2 – Cannot reset BIOS

  1. Try installing other RAM on different slots.
  2. Reinstall the power supply and the CPU.
  3. If possible, kindly try with a different power supply.

What does A2 mean on motherboard?

CODE A2, IDE Detect, error code means it’s having trouble detecting or reading connected drives. This often occurs during initial boot of a new build if multiple drives are hooked up before an OS is installed. possible solution.

What does 99 mean on a motherboard?

The motherboard code 99 on a black screen is triggered by a hardware problem that prevents the OS from loading properly. In order to fix it, make sure that the SATA mode is set correctly in the BIOS. Also, check the time and date in the BIOS as they can cause this problem.

What is H and B in motherboard?

H series is a basic no frills motherboard used in many budget PC builds. B series is a business oriented motherboard that has ports and connectors specifically for businesses so it might not be suitable for home or gaming use.

Can you overclock on B series?

Intel B series motherboard chipsets CANNOT be overclocked.

How do I clear the CMOS battery?

Steps to clear CMOS using the battery method

  1. Turn off all peripheral devices connected to the computer.
  2. Disconnect the power cord from the AC power source.
  3. Remove the computer cover.
  4. Find the battery on the board.
  5. Remove the battery:
  6. Wait 1–5 minutes, then reconnect the battery.
  7. Put the computer cover back on.

How do you reset the CMOS?

Reset Your CMOS by Reseating the CMOS Battery

  1. Turn off your computer.
  2. Disconnect your computer from the wall outlet.
  3. Press the power button multiple times to clear any capacitors.
  4. Find the CMOS battery on your motherboard.
  5. Gently remove the CMOS battery.
  6. Wait a few minutes, then replace the CMOS battery.

How do I fix my A2 post code?