Having problems with your BenQ FP71G 17" LCD Monitor ?

Monitor goes blank automatically after about 40 minutes...

\015 I bought this monitor about a year ago and has been working fine till last week. One day, my monitor just go blank. I thought it was nothing so I turn off my computer. But the next time I used it, it goes blank again after about 40 minutes. Rebooting my CPU won't help as monitor goes blank soon right after logging into Windows (I'm using XP Pro). \015\012\015\012I thought it was driver malfunction(Vga card nVidia 6600), so I re-installed with the lastest driver, but to no avail.\015\012\015\012The only solution I have at the moment is to turn the monitor off for quite some time before using for another 40 minutes. By the way, rebooting my monitor allows me 1 second before it goes blank again.\015\012\015\012Another thing, after I turn off my CPU but left the monitor running, it shows;\015\012 and to burn-in OFF\015\012\015\012It's very frustating. Please help.\015

\015 \015 \015 \015 \015 \015\012\015\012\015\012\015\012\015\012\015 \015 \015 \015 \015\012\015 \015 \015 \015 \015 \015 \015 \015 \015 \015 \015 \015 \015 Posted by\015 \015 \015 Randy Gui\015 \015 on\015 Nov 20, 2006\015 \015 \015 \015 \015 \015 \015 Want Answer\015 0\015 \015 Clicking this will make more experts see the question and we will remind you when it gets answered.\015 \015 \015 \015 2 Comments\015 \015 Flag\015 \015 \015 \015 More\015 \015 \015 \015 \015 Print this page\015 Share this page\015 \015 \015 \015 ×\015 Moderate\015 \015 \015 Help this question get an answer\015 Is this question mis-categorized or about a different product? Help this question get an answer by entering the correct category or product below.\015 \015 \015 \015 \015 \015 \015 \015 \015 \015 Did you mean? Yes No \015 \015 \015 \015 \015 Cancel\015 Update (+2 points)\015 \015 \015 \015 \015 \015 \015\012\015 \015 \015\012

Answers :

Hi Randygui,\015\012\015\012Sounds like the back light inverter board is bad.\015\012\015\012It's a very common problem.\015\012\015\012LCD's use four small cold compact fluorescent bulbs to back light the display. (thats what gives the LCD it's brightness allowing you to see it)\015\012\015\012The inverter board runs these lights and when they go bad they will typically show symptoms like you have or the monitor power light comes on and you have either no display or a very dim display.\015\012\015\012If you ever have one that has no display but the power light is on you can check by shining a flashlight directly into the LCD from the front (right into the screen) if you can see an image then it's either the inverter board (most likely) or the CCFL bulbs have gone bad.\015\012\015\012The inverter board and CCFL's are replaceable.\015\012\015\012Good Luck,\015\012El Duderino
Click on Start --> Settings --> Control Panel
Select the Power Options
In that choose the power schemes and in the down you will have the four combo box.
For each options in the power schemes choose the "Never" options in the four combo boxes.

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Repair Help & Product Troubleshooting for BenQ FP71G 17" LCD Monitor

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