The manufacturing mode is turned on by default on the replacement system board. You can disable this option after installing it on your computer or laptop. Do the following action to turn off the manufacturing mode.
Install the system board on computer or laptop. Restart your device. Press <F2> key immediately as soon as you see the following message “<F2> = System Setup”. Press <Alt> <F> keys when your computer opens the System Setup screen. This action turns off the manufacturing mode on your system board. Make necessary changes under the System Setup options in the way you configure the system. Save the changes you made on your computer. Press <Esc> key to exit the setup program. Reboot your system and check whether the manufacturing mode is disabled. If the computer displays Manufacturing Mode Is Detected, the manufacturing mode is still enabled on your system. Repeat the steps from above to disable it.