Question about BenQ FP731 - 17" LCD Monitor
Dear sir, I have a omni tech pc, with windows xp installed on it. I brought a used monitor from someone, and observed that it sometimes makes terrible click sounds in its electron gun right in the tail glass tube. It occurs rarely, not all the time the monitor is made in san diego u.s.a. and is of sony company. On the right side below screen there is a logo EPA pollution preventer. model:CPD-17SF2, manufactured in april-1996, few days ago, I opened the case and cleaned the dust etc. the cable attached to pc, has two pins depressed. therefore it is providing full colours kindly respond on my e.mail:firstname.lastname@example.org munsif ali, ph:09203313524436 hyderabad, pakistan
Not one fixya people can help with much
if pins break when straightening
need a new part with good pins required as replacement
Posted on Mar 22, 2017
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Posted on Jan 02, 2017
Hi Randygui, Sounds like the back light inverter board is bad. It's a very common problem. LCD'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) The 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. If 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. The inverter board and CCFL's are replaceable. Good Luck, El Duderino
Posted on Nov 26, 2006
SOURCE: artifacts on flatscreen monitor
The two cheapest things to do are, firstly, try your monitor on another persons pc, to see if any difference, and secondly try a different mouse as they can interfere with with graphics dpi.
Posted on Mar 23, 2007
SOURCE: Benq FP91G+ monitor
The hourglass / egg-timer you're seeing has NOTHING to do with your new monitor. It is an indication that some program (possibly something NASTY) is running and using the CPU. While the CPU is tied up by the (possibly unknown) program, Windows displays the hourglass so you will know that the system is busy... First, update your antivirus program, then use it to scan your ENTIRE hard drive; this could take HOURS, so you might want to let the AV program work all night. If you don't have an AV program, you can do an online scan of your system in order to find the culprit; open Internet Explorer, then open this link: http://housecall.trendmicro.com Run the FREE online scan; again, this could take HOURS to finish, so you might want to let it run all night to see if the problem can be resolved... There are OTHER types of nasty software ("malware") which could have the same effect on your system, so if you can't find the source of the problem, open these links for more information: http://forums.majorgeeks.com/showthread.php?t=35407 http://forums.majorgeeks.com/showthread.php?t=44525 I realize that this probably isn't what you expected, but at least now you know what is most likely to be causing this problem, and the links I've posted can help you correct this problem... Lastly, this COULD be caused by a program you (or someone else with access to your system) has intentionally installed, but you didn't mention adding any software recently, and I think it is best to atacck this problem head-on. Best of luck; let us know what you learn...
Posted on Apr 01, 2007
teo6925, "Switch-mode-power-supply" is in partial shutdown mode. Can you see any electrolytic filter capacitors that have a slight "swelling" to their tops? They should be flat!! You may also need to inspect all the soldered component connections very closely for cold, thermally intermittant, "frosty" looking solder joint connections. May need large magnifying glass or 10x to 20x inspection microscope to locate these thermal/vibration "fractures" and then resolder them! If you have a capacitor problem, then you will need to carefully remove and replace with new ones. If you are novice at soldering I suggest that you document your work with digital camera or video tape so you can get everything back together with no "leftover" pieces! Teo, all you need to do to find out how BAD the problem of poorly manufactured capacitors is would be to search WEB for BAD CAPACITORS!!! Look for pic's of ELITE capacitors or CAPXON brand. You will be stunned beyond belief!!! Reading is free!! READ, READ, READ. Let us know what you find and do additional comment here on FIXYA. 12fixlouie
Posted on Jan 09, 2010
They make alcohol swabs just for that purpose, Try Walmart. I've been using them for years and they have proved to be save.
Posted on Jul 11, 2010
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