Question about BenQ FP731 17" LCD Monitor

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Switch on computer and screen goes of in seconds ,if i turn it on

Faulty monitor

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Replace the monitor, it has a power supply defected

Posted on Feb 28, 2009

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My monitor goes for 3 seconds black, every 1 minute


First thing, try to connect the monitor to another CPU and see if its gonna work. If it doesn't, then this might be a capacitor failure. One of the capacitors in your monitor that are responsible for holding up power for proper display is faulty. A faulty capacitor is either bulged(with a hump head) or burst. This causes the monitor to go off a few seconds after you switch it on because the capacitors can no longer hold power long enough for your display. One way to work this around is to take your monitor to a Computer Technician to open it up and probably replace the faulty capacitors

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1 Answer

Monitor goes blank less than a second after turning on.


Sounds like either there is a bad connection from the computer to the monitor, or the monitor has a faulty power regulator, causing the monitor to overheat prematurely, and shut off.

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Acer monitor AL1706 Power On problem


You are more likely to have bad capacitors problem in the power supply, inverter circuits. I would look for bad caps first. Look at some of the sample here: http://s807.photobucket.com/home/budm/allalbums

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Hi,

There are problem with internal component of Monitor might be EHT is faulty .Its better call vendor for repair

Nov 18, 2009 | Computer Monitors

1 Answer

Computer screen goes to no picture after about 1


time for A new monitor or your video card is faulty

Oct 19, 2009 | Philips 190B6CB/27 19" LCD

1 Answer

LCD monitor comes on for about 10 seconds then goes off


It sounds like the power supply board on the monitor may be faulty (that or the backlight).

You could test it on another computer to see if does the same thing (or another monitor on your computer).
If the same problem occurs on this LCD you'll either need to get it repaired under warranty, or pay for it to be repaired. Or just throw it out.

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1 Answer

Monitor shows screen then goes black


It is the Monitor Cable connected to the CPU cabinet is faulty. Please check out the cable and its pin firmly.

Try to find the fault, may be the cable broken or tear up.

Let me know if further diagnose required.

Have a nice day.

Ellin

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3 Answers

Phillips 170b monitor not working


Exactly the same problem here. Phillips 170B Monitor about two years old. Lights up for no more than 2 seconds then goes blank. Switch on/off and exactly the same thing. I suspect than the screen goes really dim rather than switching off because sometimes I can see the screen image very faintly.

Dec 31, 2007 | Computer Monitors

1 Answer

Faulty monitor


This is most probably cause by one or more Faulty Electrolytic Capacitors, I find these are the MOST commonest form of "Fault" in these LCD's TFT's units. I ususally simply replace "On Spec" all High Value Electros, in fact ALL Electro's are suspect and often I just "Shotgun" and replace 'em all. Usually fixes all problems. Always use High Temperature Caps.

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