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If you have a blinking power light and no display even when you first power up the unit then its not in power saving mode. The blinking power light indicates a failure of the filter capacitors on the power supply board. This is a very common problem with LCD monitors after a few years of service. The power supply can be repaired by just replacing the defective filter capacitors. Here is a picture of the power supply board with the bad caps circled in yellow and below that is a link to a full repair guide showing how to open the unit and what to replace including a full parts list.
Hi, the Power Saving Mode, turns the screen off to conserve energy. On the remote, press Menu, and scan to Power Saving Mode. You can change the amount of time, when the Screen turn-off, the TV shut-off etc. You can set the time to (5 min) to, (never, turn-off). This should help with your problem. Thanks paul7of9
Hi erin mckinle,
That is probably it's, uh, analog power saving mode. When the screen goes black and the power button flashes, make some mouse gestures or hit some keys that would not affect anything (try spacebar). That should bring up the screen. If you think it goes into power saving mode too fast, go to Control Panel --> Power Options, and change the values. Hope this helps.
inside the power pack is a pulse IC chip they fail and cause all kinds of havoc also caps can cause issues unaccounted for, I would start at replacement of the IC about 2 dollars on E bay, and replace any bad capacitors you can see, they look domed or are leaking color from the top creases. after that get back with me and we can either proceed or you can rate me fixya, have a great weekend
It could be a setting problem, power saver setting, or a mode that the monitor does not really support - things like refresh rate - or actual hardware.
Easiest way is to borrow another like monitor, and say another video cord and see if the problem remains, or if a newer monitor says 'out of range' or similar.
Then, if you have a fancy video card,remove it and use something primitive. Not reading instructions is a big cause.
If its not a setting issue, and as the inverter board is ok; if the above description is correct, reseat the inner board connecting cables.(wood fires and seaside locations) If not that, a lucky guess might be the electros on the logic board.
Inside there is a IC chip on the power pack that goes bad, replacement is called for also look for bad capacitors when you are inside looking around, those need to be replaced as well hope this clears things up. dells third party who built these units did a rotten job on this model. that chip always fails.