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...
2019.11 MHG was evaluated as a small giant enterprise in Changsha. 2019.10 Chongqing Circus City project won the third prize of Zhongzhao Lighting Award. 2019.10 &...
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"
Largest source of theatrical Lighting Equipment ( source four LED ellipsoidal light, Fresnel light, profile moving head light) for sale with 2 years warranty, We also offer free, professional ...
MHG LED Fresnel light ( single color, bi-color, RGBALC, RGBAL) and led soft panel lights with High CRI, COBs, mute design, which are the best choice for broadcast and studios
Largest source of LED stage lights include ( fresnel LED light, source four led leko light, LED soft panel light, moving head stage light) with 2 year warranty & life-time technical supp...
Largest source of lighting fixture include ( fresnel LED light, source four LED leko light, LED soft panel light, moving head stage light) and LED display for indoor and outdoor with 2 ye...
We Offers A Large Inventory Of advertising LED display for both indoor and outdoor, MHG advertising LED billboard's vivid colors and sharp images deliver amazing visual impact and more ...
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