Question about HP vs15 15"LCD Flat Panel Monitor

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Poawer will not stay on when I press the power key.

When and if it comes on it goes off emediately. I can not power down my computer.

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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, 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 HP 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.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Replacement board:
http://www.lcdrepair.us

Posted on Jul 11, 2010

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Posted on Jan 02, 2017

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1 Answer

Monitor goes blank and power light remains on and when i turn it back on, it stays on for about 3 seconds and goes blank again. thank you!


  • Turn on CPU.
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  • If shows and your OS will be Booting and fail to start.
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BACKLITE WON'T STAY ON


You can only change the back light level in the BIOS. Boot the computer and press F2 immediately. Once you are in the BIOS, set the back light level you want, then save and exit. When the computer comes back up, that will be your back light level.

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Goes to self test and says there!


You may have a bad system board, but try this first.

Press

Unplug power cord in the rear of the machine

While holding down the ENERGY SAVER key, plug in power cord

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Press SET

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Computer will turn on but wont stay on


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Screen goes black on my hp pavilion dv4000 notebook


Try connecting an external monitor to the laptop, power up the monitor first then boot up the laptop. The video data will switch to the monitor automatically, check if the monitor dislays a normal image and see if the image stays on the monitor.
Also press and hold the Fn key and press the F4 key, these keys toggle the video output between the LCD screen and the video port.
Test to see if this functions correctly.
Get back to me with the results of the tests.

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Laptop screen goes dark.


Is your computer setup to go to sleep when you close the lid?

Click on start -->control panel-->power options and then check the option that says choose what closing the lid does. You have to change this setting to 'do nothing' if you want the computer to stay on when you close the lid.

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1 Answer

Monitor won't stay on


Restart the computer and tap on f8 button so u can start computer in safe mode, if u are able to restore computer to earlier tiem. IF u are unable to start using safe mode. Ur computer need to reformat. Please insert recovery disc restart computer and tab on down arrow button and follow onscreen instruction...

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1 Answer

In power save mode


The monitor is not receiving signal from the computer. Is the power light on on the computer? If so - press and hold power button on computer until the power light goes off, then press again to restart. If the computer starts and you still have no picture it is most likely a video card or motherboard problem.

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