Question about HP Pavilion F1503 15" LCD Flat Panel Monitor

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Hp pavilion f1503 wont stay on

Can someone please help me? every time i turn my monitor on, it stays on for about 3 seconds, and then the screen goes black. i have no idea what to do. by the way, im only 14, so please use small words with me. thank you.

Posted by cutey4321 on

  • 1 more comment 
  • cutey4321 Jun 09, 2008

    yeah, the computer still works, its just the monitor won't.

  • Anonymous Jun 20, 2008

    dude wat do

    i do

  • Anonymous Jul 04, 2008

    I have the exact same problem and was told to replace the monitor.



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Is your computer still running after the screen goes blankl

Posted on Jun 09, 2008



Resolder the coil connections on the Power Supply board. Fixed mine.

Posted on Jul 09, 2008



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I would like to know if anybody knows what to do to fix this monitor without taking it to a repair shop. would a bad capacitor or a bad solder joint or a loose cable would cause this problem. Also does this monitor use an external power pack? I would look at replacing/repairing the power pack.

Posted on Jun 23, 2008


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If this problem happens when connected to more than one computer or if you have it disconnected from the computer and the monitor will still turn off, you will likely need a new monitor.
You can take it to a local computer shop to have it tested.

If you are using a CRT monitor (Television tube type, not a flat panel LCD) what you are describing is a failure of what is called a flyback transformer. Basically time to replace the monitor.

If it is an LCD flat panel, the image inverter or the LCD backlight may be failing.

In either case, there is little you can do to fix this besides replace the monitor.

Posted on Jun 09, 2008

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1 Answer

What could be wrong with HP Pavilion f1503 screen?

This is usually faulty capacitors. They are in charge of regulating the power of your monitor, with time, they will go bad. The replacements of this capacitors is usually under $10 or $15 usd.
You will need to open the screen, identify, unsolder and buy the new ones to later on solder back and BOILA!

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Please do a monitor self test. If issue persist need to replace monitor.

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My HP f1503 monitor wont stay on

Hay I don't know if I would nesaceraly recomend my quick fix, but it worked for me so far (only day 2... ). I found a 12v 1.5 amp converter like was suggested @ this site, I had to modify the end to fit the moniter (thats waht I wouldn't suggest , unless you know what your doing of corse.) I'm sure that you can buy one that wouldn't need adjusting, but if your as broke as me or tight with your cash go thorugh any old cords and see if you have "parts" you can use, be caarfull, and good luck.

Jun 11, 2009 | HP Pavilion F1503 15" LCD Flat Panel...

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...

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Hp pavilion f1503 momitor

Hold the MENU button for 10 seconds to lock or unlock the OSD

Aug 05, 2008 | HP Pavilion F1503 15" LCD Flat Panel...

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Pavilion f1503

Sounds like you have a problem in the inverter board. When you shut off the monitor the powers is being shunted from the input but the inverter is still energized and thus florescent is still lit. Please keep in mind that the voltage at the inverter can be lethal, so if you plan to open it, please keep this in mind. You can try to open the case and look for a rectangular board with two set of connectors that contain two cables. This is the inverter board and there will be a warning attached. check to see if you have a solder bridge, if not on the inverter, check the power converter or interface. If this does not work, check ebay for the same monitor that is broken: I.E. damaged screen. you can swap the parts until the problem goes away. Good Luck, and do be careful!!!!

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