Question about HP L1706 17" LCD Monitor

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HP L1706 monitor - will not power on - green light keeps on flashing

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I had the same problem and replaced 2 bulged capacitors, screen is working fine again! (1000µF 10V)

Posted on Aug 18, 2010

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Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, poor solder jopints, 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 HP and other 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

Posted on Jun 04, 2010

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1 Answer

My monitor HP L1706 does not ignite but the green light blinks


Your screen is in sleep mode.
Its does not receive a signal from the pc.
Check for loose connections or a damaged cable.

Your monitor could also have a defect internal.
Maybe also your graphic card in the pc.


Good luck.

Mar 03, 2011 | HP L1706 17" LCD Monitor

1 Answer

L1706 monitor power light flashes green/amber


A flashing power light often means the monitor isn't getting a signal. When you turn the monitor off and back on, do you see the brand logo for a few seconds? Try plugging it into a different computer to see if it comes on.

If plugging it into another computer doesn't work, it may be a bad power circuit in the monitor. A common problem with monitors is the capacitors going bad. If you're handy with a soldering iron, you can try replacing them yourself. Look here for pictures and instructions: Fix an LCD Monitor

Oct 18, 2010 | HP L1706 17" LCD Monitor

1 Answer

My HP Monitor Model No: L1706 problem


I sure sounds like you have backlight problem, since when the VGA cable is connected the power LED turns GREEN and blinks when VGA cable is disconnected, it means the video signal is getting to the monitor OK, so more likely the problem will be in the monitor, but just to be sure, you should also try this monitor with another PC first.
Most common failure 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 HP and other monitors to get some ideas what goes wrong: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further.

Apr 01, 2010 | HP L1706 17" LCD Monitor

1 Answer

How to check the backlight life of my hp l1706


Claimed life for the lamp is 50,000 Hours, but in real life, no way to tell. You can look here what is failed in the backlight lamps, it can be from worn out (blacken ends is one sign of bad lamps, same as home fluorescent lamp), poor soldering works on the lamps. see pictures here: http://s807.photobucket.com/home/budm/allalbums
What is the problem with your monitor anyway?

Mar 30, 2010 | HP L1706 17" LCD Monitor

1 Answer

Monitor light: green yellow green yellow etc.


Cycling of the power LED (about once per second) is typical of a switchmode PSU shutting down and trying to restart. Often this is accompanied by a tick each time, from the main switcher transformer.

Assuming you can open the monitor up (with the power OFF of course) check all the capacitors in the PSU for signs of leakage or bulging. Ideally you would check them with an ESR meter, but they are usually visibly failed when the monitor acts like this.

Replace any defective caps found and try it again while you have the case off, keeping your fingers well out of the way.

May 07, 2009 | HP L1706 17" LCD Monitor

1 Answer

HP L1706- screen is blank when I switch on


First if you have a extra monitor try to plug it in and see if it works. If not then check your video card. or get into the computer and try and remove and reseat the memory. Sometimes by just doing that can solve the problems

Feb 06, 2009 | HP L1706 17" LCD Monitor

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