What does A2 mean on my computer?
A2 Post Code usually means that the system didn’t detect a boot drive. Go into the BIOS and change the boot order.
How do I fix error code A2?
- Disconnect the drivers one by one. As already described, the A2 PC error is related to the bootable devices on your computer.
- Reset or update CMOS / BIOS. Another way in which the A2 boot problem can be fixed is by updating BIOS.
- Update your drivers.
- Solution 4 – Particular case: SATA devices.
What does A2 mean on Asus motherboard?
You will receive an A2 error if you do not have any drive connected. If you can, test the drives in another system and check all cabling and SATA connections are correct and functional.
How do I fix Error 99?
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 ad mean on motherboard?
In the manual “Ad” is “READY TO BOOT EVENT” True: it happens when the full Post process has finished and Windows should launch.
What does 99 mean on 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 does Error 99 mean on a Canon camera?
The “Error 99” ‘Shooting is not possible’ is shown on the Canon Camera’s LED while trying to take a picture and it usually indicates an issue with the camera’s shutter. This can be due to blockage in its path or it might be because the shutter is misplaced from its original position.
What does AA mean on motherboard?
Answer. LED code “AA” means that the motherboard is trying to complete power-on self test (POST). If the system stays on “AA” permanently, the likely cause could be a hardware failure of the motherboard.