The first test content is button function, indicator light color, boot time. The inspection method is to press the button several times, observe whether the color of the power indicator light is normal, and record the boot time.

The second test is the display screen. The screen test includes: resolution, full screen horizontally and vertically, normal display screen, and symmetrical black borders on the display screen. By observing the screen, adjust the desktop background image, and observe whether it is abnormal.

The third test is the touch test. Here, the touch sensitivity test, with the help of the desktop test software eGalax Touch, through clearing and calibration, draw a diagonal line with a touch pen, click the start bar in the lower left corner, and display the hidden icon in the lower right corner to observe whether There is a delay.

The fourth system hardware configuration test checks the all-in-one system configuration, CPU model, content storage, operating system, hard disk attributes, and specification partitions.

The fifth LCD screen test is to run the LCD screen test software DisplayX to check whether the five solid colors of red, green, blue, white, and black on the screen are normal. At the same time, perform a tap test, brightness test, and grayscale test.

The sixth network cable test is to check whether the network status is connected, and open the browser to test.

The seventh interface test, the interface test includes USB interface; VGA, HDMI signal to the terminal, the terminal will automatically display after receiving the signal, whether the screen is clearly displayed and normal; COM port and LPT printer port test. Active identification and clear display of normal connection is a requirement.

The eighth sound test is to use the test earphone to test the main audio interface, and it is required to be able to record and play normally.