I have Princeton VL1918, LCD Monitor, When I turn it on, the power keeps going on and off and on and off infinitely, when I hook the VGA cable I can see the desktop but same thing power keeps going on and off and on and off contineousely. Please help. Thank you
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Re: Power on and off and on and off contineously
Possible reason is the power button might be stuck (Even it can be physically look ok from outer part). try to release the button and exercise the button to refresh the contact. If issue persist do contact the service
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eben161, you might try replacing some "electrolytic filter capacitors" on the "switch-mode-power-supply" printed circuit board. Try to obtain new ones that have temp rating of 105 deg centegrade. remember to replace them + to + and - to - !!! don't screw it up!!! here are some of the values you will need to purchase. 470micro farad (uf) and 2200uf and all should have a voltage rating no lower than 35vdc please report back with the name of the manufacturer you find on the original "failed" ones you remove from the unit. even if they don't look bad (swollen, leaky) replace them all with new one's. If you won't do the work you can also check to see if Princeton can swap you a refurbished unit for your old+cash. But first you should read all the posts that have been written on this model lcd monitor and how they were fixed! I'm 12fixlouie If this response was helpful to you, please rate it on fixya. Bye for now.
You have a monitor with a common problem. After a few years some LCD monitors
will blow a power supply. The problem is caused by parts called
capacitors overheating in the confined space of he monitor. If you are
good at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm
You can take the back cover off your monitor and look for the bad parts,
replace any that look like the pictues and your monitor should work
fine. The capacitors do need to be installed with the correct + and -
connections, note the stripe on the old one and insert the new one the
same way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping. If you don't see any bad capacitors then the next thing would be bad CFL (backlight tubes) in the screen itself. If it is that then the monitor needs to be replaced because of the tech skills needed to replace then. I hope this helps, if so please rate my solution.
Buddy Corporate Computer www.ccl-la.com Over 21 years of computer and printer support/repair
On the bottom of your monitor or on the right side is a set of buttons one is for brightness and contrast try to reset the brightness and then contrast. If this does not work you may need a new monitor.
Check the VGA cord that connects from the PC to the LCD, try putting VGA
cord properly to the LCD and PC, or change the VGA cord. saving mode
indicates no signal from the PC. So either the PC is not booting up or
VGA cord faulty.
I Just checked the specs on both the card and the monitor. It should work no problem. If for some reason you notice some lag or flicker in the monitor, go to this page and download the updated ForceWare graphics drivers. http://www.nvidia.com/object/winxp_169.21_whql.html