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I plugged in my hp w2408h monitor and it powered up ok. It then went blank on me when I tried to start up the drive install disk. Now it won't power up at all.

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Your whole system won't power up or just the monitor

Posted on Jan 20, 2009

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1 Answer

Monitor will not power on


The monitor has entered permanent sleep mode. After four years of service, it probably is not worth repairing

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It doesnt sound like a windows problem. A simple test for this is to unplug the vga or hdmi cable from the monitor then turn it on if it has power it should say no signal. Also try either another power cable to the monitor or change the fuse. Hope this helps.

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I have a HP w2338h monitor that goes blank


It is most likely a bad power supply... I have had aboit 4 diff monitors do this to me... most common is under rated capacitors in the internal power supply... some times there could be a black light going out witch causes higher current draw on the power supply ( witch can take out the caps, fusses, transformers ( caps and transformers when they get week and bad can cause the buzzing sound ( on some times with a radio near buy then the monitor is acting up with blanking out and buzzine the radio will pop and buzz as well witch is a sign that there is arching going on IE. caps and transformer are most common for that )))

hope this info helps
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1 Answer

My hppavilion f1503 flat panel lcd monitor screen stay blank


The monitor should be plug and play, and you've already figured out that it's not your computer by plugging into a working monitor.

This is most likely the power inverter board in the monitor - this is common in many monitors. If the power light is blinking on-and-off, or just staying on with no image, that's the problem. There is a slight chance that it could be the light itself, but inverters fail more commonly.

If it's under warranty, send it back, if not, there are inverter boards for many common models of LCD monitors that are replaceable. The board can run anywhere from $50 on up. Depending on how old it is, you may find it better to just replace it with a gently used one from ebay.

Jun 04, 2009 | HP Pavilion F1503 15" LCD Flat Panel...

1 Answer

Blank Screen


Be sure that the power cable and the video cable are plugged into your monitor, the power cable is plugged into a good outlet, and the video cable is plugged into your computer. It's possible that you simply have a loose cable.

If everything is installed correctly, and if the screen is completely blank (no "cable disconnected" or "test mode" messages), then it sounds like your monitor is simply dead. Since there was a heavy wind storm recently, it was probably hit by a power surge. If you don't already, I recommend that you use a surge protector for all digital equipment.

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1 Answer

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power shortage maybe...try to plug your monitor on the other power supply,,be sure that your monitor is compatible on the voltage it required..

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Dell computer windows xp pro. samsung syncmaster 731b cannot install right. says comp. cannot support default monitor installed ,


I need help monitor went blank and when I try to turn it back on it only blinks at the power button. took it apart and everything looks ok.

Mar 26, 2008 | Dell E172FP 17" LCD Flat Panel Monitor

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Hp flat screen monitor


It's probably your dc power supply.

Mine would blank just 2-3 seconds after power-on.
I pulled this monitor out of the garbage - someone threw it away. I found any old 12vdc power supply I had laying around (1 from an hp scaner 1250mA, another rated at 600mA) neither could supply the current (amps) required to run the backlights, therefore backlights shutdown, monitor goes blank--monitor stilled powered on, but black.

I tried all of the disassembly, re-solder various solder joints on the LCD Inverter board and removing the heat/magnetic shield from inside the back cover of the monitor. Nothing worked.

I bought a Segate 80gb external hard disk drive that came with a 12vdc power supply, looks like a typical laptop power supply, rated at 3A (3000mA). Plugged it to the monitor, it powered up, and it works flawlessly.


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1 Answer

Monitor is blank, power is on


it was on after it went blank & again on means there was a loose connect as it came back on. but now that loose contact has got permanent due to print breack or track open. the problem is in 1 monitor to computer connector not properly connectec. 2 crt base loose 3 track open or print in power supply. 4 if it is ok check for horizontal section print or loose. hope this will help good luck. 1 power supply print b

Sep 28, 2007 | Gateway FPD2275W LCD Monitor

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