Question about Hyundai ImageQuest L70S 17" LCD Monitor

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L70S Issue The screen is blank. The power button flashes off and on to green and then every now and then it goes to yellow for a few seconds then back to the green flashes. The screen stays blank the entire time.

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  • Anonymous May 14, 2009

    Problem as described above.

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  • 306 Answers

Not sure if this helps but run my computer in safe mode and do a virus scan. This worked well for me, hope it helps.

Posted on Oct 14, 2008

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The power light is constantly blinking in yellow. before this happened the yellow light was on without blinking I turned it off, once I turned it back on the light turned green but the screen...


try unplugging your t.v for 10-20 seconds. plug it back in. if your power light continues to flash your t.v is the issue. you should be able to google your issue or check your owners manual about the problem. unplugging the t.v is the last ditch effort. Good Luck!

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Have 10 Broken monitors with simalar problems. 1. Dell e153FPB- Video for 2 seconds than screen goes blank. 2. Dell e153FPB- After 20 mins, Display stops working. 3.Dell e1724FPB-Video for 2 Seconds than...


Pleasec look through my albums so you will know what to look for.

Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague

http://www.badcaps.net

Dell bd: http://www.lcdrepair.us

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Power supply board have problems.Tries Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

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Ive seen this on other monitors. Look for a 1 and 2. Some monitors do NOT auto detect a signal, and this one might not. Look for a way to set the monitor from Digital input to VGA input. Try that and see.

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HOw about the light on the tower? if its stedy green then the tower is ok then run a self test on monitor if it passes the monitor is also ok then unplug the power cable from the monitor and data cable also and press and hold the power button for 10 sec and then connect the monitor to the system

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I have a Hyundai Image Quest L70S, the screen goes blank


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Monitor powers briefly then goes blank


Sounds like a Control board issue or a Power board issue... Might be blown Capacitors, in which case there is not enough power being supplied. Check to see if there are cheap parts on Ebay as replacements. If you don't want to go through the trouble sell the LCD itself for $150-250.

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Green light blinking screen blank


Hi Suzee,

Is the green flashing on the tower or the monitor?

If it is flashing on the monitor, then it might be tht the monitor is not gettign signal from the tower.
To check, disconnect the monitor from the tower and check the monitor. If you get a msg on the screen like no input signal or check video cable, then 99% monitor is fine.

Check for the power supply light at the back of the tower.

Disconnect everything from the computer and then press and hold the power button on the comp for about 30 seconds.

Then connect the cables and check if it is working.

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