Question about HP w19e 19" Monitor

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My hp w19e will turn on and the desktop screen will also come on then after 3 or 4 seconds the screen goes black

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It can be many things that causes the problem. You need to inspect the caps, voltages, solder joints.
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 (they should be replaced in a set), 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 monitors to get some ideas what to look for:
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor troubleshooting guide:
Capacitors kit: he can make you a set of caps for you.

Posted on Oct 10, 2010


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My monitor is turned on displays then goes black. Off and on same thing happen after a few seconds. I replaced most capacitors 470uf, but i didn't replace a 22uf 50v. and a 100uf 450V. after...

Hello Richard Strong,
Welcome, and thank you for using FixYa!
To answer your question: I believe you need to replace the two capacitors that you skipped.
Then touch up every soldier joint on the power supply board. Lastly, I would look for the replacement part for the +5V and -5V transistors on the power supply board. They may need replaced as well. If you have an Ocilliscope you may be able to test out where the power is failing.

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Fix my desktop monitor HP w19e goes black after a few seconds. the screen displays then goes black. I changed most capacitors 470uf. I didn't change two other capacitors A 22uf 50V and 100uf 450V. I...

w19e (2006) 12 year old relic, legacy monitors, sure. CCLF junk.''
(1440 x 900). (not over this resolution)!\
HP does not sell parts this old !!!

get a new monitor, fixing cost more than new and for sure refurbs at $50. (unless labor is free, ? even then too much)
first off its too old , the CCFL are no good now.
"back lamps"

are you going to replace those. some are near impossible to remove and not wreck the LCD array.!
1: turn off power saver and timer in the menu OSD yet.
that is first first. (the book shows this feature missing) yours.

2: then does the flash light trick show there is data there, omg
the data is there, the CCFL lamps are dead. or the inverter.

see your boards here, see the brown one bottom 2 cream connectors. those are the 2x 500vdc power jacks to the CCFL tubes
if that is dead, ebay has it for 15 bucks. (what deal no)
but if the tubes are bad good luck there.
the first test would be the flash light test

w19e-ysl4vcr25ekwcyxfuustmq5b-5-0.jpg why own such a monitor if the ccfls can not be removed.
I avoid them all an buy 2010 and newer with LED backlamps.

flashlight test

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try to boot in safe mode.To do that.
restart your computer continues press F8 key it will show the option select safe mode
and you can work with that and change the reasoluition and restart the computer work with normal mode..

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I reformated my computer and had it on hibernate and went to sleep.I woke up and now the screen on my desktop pc just flashes about every 3-4 seconds.the screen stays black the flashes with white streaks...

Hi there
i read your report. OK go to your power options and turn off your hibernate and restart your computer.allot of times after you have reformatted your hard driver. the hibernation doesn't work correctly. Try this tip and let me know how it goes. Thank you for writing to fix ya.

Best Regards Richard

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My screen goes black after startup

Try a different monitor, I am sure this sounds overly simplistic to you but, I have seen in my customers have just that, a bad monitor.

If another monitor does the same thing, then you should try another video card. If the video in on the motherboard, there should be a AGP, PCI-e, or an empty PCI slot to put a video card in.

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1 Answer

Monitor going black

HP's are known for bad capacitors in the power supply.
Replacing them is simple if you know how..not so simple if you don't.
Try your local TV repair centre. It should not cost alot to have the capacitors replaced.

Hope it helps =)

Apr 06, 2008 | HP Pavilion F1903 19" Flat Panel LCD...

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