How can I test whether the keyboard buttons are normal for the big potato pe?

1. After entering the main menu interface of the big potato, press "[04] Big Potato win2003 PE Classic Edition (Old Machine)", as shown in the figure:

 

Enter the classic version of the big potato win2003 PE (Old Machine)

 

2. After entering the Big Potato pe, start & rarr; Program & rarr; hardware detection & rarr; keyboard test in sequence, as shown in the following figure:

 

Big Potato keyboard test

 

3. As shown in the following figure, we can perform a keyboard check in the window:

 

Start detection

 

4. If the keyboard is damaged and cannot be used, the red light is displayed. If the keyboard is used properly, the green light is displayed, as shown in the following figure:

 

Normal green light, invalid red light