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Re: monitor not working
You can check the date of manufacture on the back of the monitor. If the monitor is over a year old there is no warranty repair. It's possible to get it repaired locally you'll just need to find a repair shop.
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Go to control panel > Power options and check the power settings there. Are the settings for "Turn off monitor" set to 2 minutes? Increase the time and see if there is any changes.
If the above does not solve it, it's quite likely that your monitor's power supply is giving problems. Turn it in for warranty/repair.
Make sure the power connector is secure with your monitor and the adapter power light is on as green. If not working at all then just contact with AG Neovo as email@example.com for 3 yrs warranty repair. But you probably have to cover the one way shipping only.
jefkare, If unit is still covered by warranty LG (Lucky Goldstar) should replace it! Sure seems like a "switch-mode-power-supply" failure to me. try using unit at a KNOWN GOOD pc to see if problem moves with the monitor. Next, prove that different monitor functions perfectly with your PC. Try reinstalling drivers for LG L227 maybe that will work. Also try setting the screen resolution to a lower setting. Good luck guy. Do a reply if in need of further assistance. Bye for now. 12fixlouie on fixya.
Is the power blinking amber? This is a DPMS power-save mode. With the computer disconnected and the monitor on, do you see the colored self-test block floating around? With the monitor on, computer connected, and you still have no image displayed, take a bright flashlight and examine the screen closely. If you can see a very dim display in the screen, the fluorescent tubes which light up the *background* and provide the vivid picture(sort of like a how an x-ray picture viewer works) are defective. The power light blinking may be the power supply sensing the non-functioning tubes or it could just be bad. If your display is under warranty, replace it. If not, trying to have the monitor repaired for this type of problem is almost as costly as a new one--and there won't be an active warranty on anything else that might fail. Hope I helped you.---Rick
Actually that model has an integrated inverter with the power supply. Should be part # xlm1700390004 they cost around 25 bux and are fairly easy to replace.
If you are handy with soldering you could check the three 470 uf caps on the board they are tank caps and when they go they do what you are describing. Open the monitor and look at the three black capacitors if the top is bulged they are bad. If you have a capacitance meter check the capacitance it will most likly be well below 470 uf the caps are cheap like 39 cents if you do go this route use 30v not 25v caps to be on the safe side.
Word of warning switching power supplies can kill you quickly never work on it live and let it discharge at least an hour before working on it.
Based on what you have stated your Dell monitor is dead. Seek support/replacement under warranty. If you purchase this with a credit card you have a double warranty through your credit card. You'll have to suffer through Dell's phone support to allow them to troubleshoot your dead monitor but be patient and a new or newer model will be on its way to you soon.
Hope this helped you and fixed your dilemma. Worldvet