Minghe Group(MHG) is a comprehensive corporate for the development of Cultural and Industrial products, including RD and production for LED display, LED lighting fixture, Engineering d...
2017.4 “The Belt and Road Initiative” Global representatives visit MHG. 2016.12 Won LED Display Top brand of China. Top 10 brands for Lighting industry Won the...
Keep contract & re-credit enterprise， Credit AAA grade enterprise ， Technology Progress Award of led soft panel light Technology Progress Award of led ellipsoidal light
Hunan Minghe Opto Tech Co., Ltd was established in 2001, and we are equipped with the most advanced automatic machines and well equipped devices for led display production, which can support our...
Congratulation MHG "MC" series rental LED display won "IF design award 2019"
The shenzhen haiya grand theater is applied to various kinds of lighting and display devices of MHG, such as: 127.7m2 （W1-391）Main display，291.24m2（W-591）Side display Section One，...
The Beijing broadcast and TV station is applied to various kinds of lighting and display devices of MHG, such as: 24.5㎡(W1-391) Main display, 28㎡(W1-391) Side display, 8㎡ (P1.9mm H...
Large 3D real show "legend" in the mist of long, in the first Chinese (Longli) International New Media Arts Festival staged to Longli city as the background to create a show, the live perfor...
Changsha Normal College is applied to various kinds of lighting and display devices of MHG, such as: 14.1558 m2（W-591）LED display ,69 m2（W-591）Side display, 104&nbs...
The garage is located in the Changsha city center is located in the central business district, major roads, traffic intensive, Ming and tailored for nearly 400 square meters of the huge outdoor LE...
LED screen is not working and green light on sending card is flicking. LED screen is not working and green light on sending card is NOT flicking. Not working for part module(3-6pcs). ......
Product manuals and other related information download
After-sales policy introduction
1.No power support for LED screen
2.Signal cable is not well connected
3.No power support or low voltage for receiving card
4.sending card broken
5.the device or the connection have problem during
1.Check to confirm the main power line connection
2.Reconnect signal cable
3.power up the receiving card and make sure
voltage is between 5-5.2V
4.replace sending card
5.check the device and its connection for signal
1.DVI cable is not well connected
2.Graphic card setting incorrect
3.LED software turned off the power
4.Sending card is not well connected or disqualified
1.Check DVI port
2.Re-setting dulplicate mode
3.Turn on LED screen power on software
4.re-connect sending card or replace another one
1.power supply protection or broken
2.AC power cable at bad connection
1.re-check to assure the main power well connected
2.re-connect main power line
1.The 220V power cable haven’t well connected
2.signal cable abnormal
3.receiving card broken
4.Hub card dislocation connection
1.check main power line
2.check to assure good connection on signal cable;or
replace another signal cable
3.replace receiving card
4.re-connect hub card