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Questions & Answers
Screen goes black lights goes
Try another monitor. If another monitor does the same thing. Then your issues would be a possible seeting. Copy and paste this > Control Panel\Power Options
< in to a folder location pane.
In to: Yellow highlited area and hit enter. This will take you right to the Power settings page.
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on Dec 20, 2010
No response although light is on showing PSU is
You can still ahev the backlight power supply problem because the 5vdc powwer supply for the logic board may be working but not the 12vdc section, or problem in the inverter circuits, lamps, etc.
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, 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 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.
Basic LCD monitor troubleshooting guide:
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
on Oct 08, 2010
Stays on for 5 minutes then cuts out every 15
hdemou, Possible that unit has bad solder joint on SMPS power supply board or near the CCFL "inverter" supply circuit components. Someone will need to do a very close-up inspection of the soldering to detect the thermal intermittant. It will most likely be "ON" or "NEAR" a component that has been temperature cycled (cold to hot, cold to hot) many times during units life history! Also verify that SMPS/inverter board(s) have good electrolytic filter capacitors! Not swollen or leaky! ref. www.ccl-la.com/badcaps.htm
Good luck! Hope info provided is of some use. 12fixlouie
on Dec 19, 2009
My monitor gets no input signal, computer does
Try the montor on the external vga connection of the laptop. You can swap the signal from the laptop screen to the external monitor using the swap key (usually a FN key). You can do this whilst the laptop is up and running. If you see the display there, then you know the monitor is o.k. Then check the connection to the PC. If it is a card (PCI/AGP) make sure the card is properly seated. If you don't see display on either check the pins on the monitor plug if any are bent or missing. Sometimes these pins can be accidentaly pushed back into the plug housing. You can retrieve them with small long-nosed pliers.
on Sep 16, 2009
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