1 In the "Power Options" window, drag the "Screen Brightness" adjustment button below to adjust the screen brightness; 

2 Because the screen brightness of the external screen is light-controlled, please check whether there is any obstruction blocking the light control head of the external screen.

Our regular warranty period is one year. If there are special requirements, it can be two or three years. General after-sales service can be as follows:

1. Paid spare parts can be provided at any time;

2. If there is a batch failure problem, we will arrange personnel to handle it on site;

3. If the customer's order is relatively large, we will directly provide some spare parts, usually at a rate of 2% for free.

1. We accept payment in US dollars;

2. When placing an order, you need to pay 50% of the total order amount as a deposit, and the balance is paid when shipping;

1 Reset the current time;

2 If the time is still inaccurate after resetting the current time, replace the battery with the corresponding specification.

1. The power cord, socket, etc. are loosely connected

Check the power cord connection, whether the socket is loose, and connect the power cord and socket.

2.The power switch is not turned on

Check the power switch and turn it on

LCD has low heat and low power consumption, which is more suitable for long-term operation. However, from a maintenance perspective, LCD should still be given time to breathe, after all, LCD is a relatively fragile product, and problems are not easy to solve.

1. Check the audio connection to ensure that the audio cable or speaker is connected correctly.

2. Check the volume settings to make sure the volume is not muted and adjusted appropriately.

3. If you use external speakers or speakers, please ensure that their power and audio connections are normal.

1 Check if the volume is set to a minimum;

2 Check if the mute switch is turned on.

1.Reset the current time;

2. If the time is still inaccurate after resetting the current time, please replace the battery according to the corresponding specifications.

1 Check whether the 220V voltage is normal, and whether the terminal of the power cord drawn from the machine and the external power cord are connected;

2 Check whether the power switch and leakage protection switch are in the working state;

3 Press the start button of the industrial computer and confirm whether it starts.

1. The application scene has strong light

Adjust the brightness, contrast, color temperature and other parameters of the display screen to adapt to different ambient light;

2. The display content does not match the display resolution

Check the resolution and ratio of the displayed content, and select content to ensure that it matches the resolution and ratio of the display;

3. Abnormal signal transmission

Check the signal source and connecting cable of the display screen to ensure that the signal transmission is normal;

1 We accept payment in US dollars;

2 50% of the total order amount is required as a deposit when placing an order, and the balance is paid when shipping; 

3 The delivery method is generally FOB.

Our warranty is 1 year. Normally, the general after-sale service may be as below. 

1 The paid spares parts could be provided at any time;

2 If a batch of failure problems occurs, we will arrange for personnel to deal with them on-site;

3 If the customer’s order quantity is relatively large, we will directly give some spare parts.

1. If there is dust or stains on the surface of the touch screen, check and remove it.

2. Check the touch screen driver, update or reinstall the driver

3. Calibrate the touch screen settings and recalibrate the touch screen.