Displays HP w22 Monitor display disappears after about 2 seconds

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HP w22 display disappears after about 2 seconds

You can't really test a logic control IC that way. There are no schematics available either. I only know the problem is with this board because I replaced it and the monitor worked... Replacing the power board had no effect on the symptom. I never heard back from Bill on this
I'm sorry I that I didn't get back to you MUCH earlier. I thought I had, but when I saw your note I realized that I hadn't.
I never did fix that monitor. I got a different one from eBay and my neighbor liked it. That solved the problem as far as he was concerned, but the original monitor is still in my basement, and still broken.
I found a local tech who fixes monitors. I paid him to come and look at it. I told him that I'd work for him for free if he'd teach me how he fixes monitors without a schematic.He talked a lot, gave me some ideas on who made the boards, but never did find the problem with the monitor. I haven't heard from him since.
I've been unable to find another monitor of that particular model from which to cannibalize parts. The project is now on the back burner while I do my spring yard work and some house hold renovations.
Again, I thank you for your input.
Be well.


Posts: 17,233   +234
Hi Bill,
Thanks for the update... I can't find any of these monitors either on EBay any longer. I suppose that a motherboard repair center could replace the Chroma IC, for $60 plus parts. With LCD monitor prices dropping like they are, its just not worth spending any time and money on these


Posts: 6   +0
Hi HogWillie,

thank you for the reply and update. Yes I love that it is spring now.
Gotta replace my riding mower's wiring harness as the field rats
ate all the insulation this winter.
I feel very comfortable trouble shooting most any electronics
as I have for some 45 years now. Even went to college in my
30's for a dbl degree in Electronics and Computer Engineering
Technology. Got halfway done before divorce caused me to have to
quit. I wanted to improve my analog/digital design capabilities.
Been working on computers and related peripherals since
1978, including monitors. So anyway I am comfortable troubleshooting.
But alas I am not so comfortable replacing the hi density ic's of
today. I need a new glasses prescription ..



Posts: 17,233   +234
Yes Bubba,
I'll turn 60 this June. I retired from motherboard and electronics component-level repair in 2000. I started repairing computers in 1976 with the Digital PDP8. It took 45 minutes to boot up. Those were the days :)


Posts: 6   +0
The answer to my HP w2207H shutting off

Hi guys, I finally got around to more troubleshooting on this big ol monitor. Turned out
it was a bad ccfl. One bulb had gone bad and also one end of the bulbs insulator had
been burnt through by high voltage. I ordered a 4 bulb kit from:


along with some new end caps and tiny round nylon spacers. bulbs arrived in a plastic
bag inside a hard plastic tube in side some paper packing inside a trianglular shipping
I didnt need the cheap soldering pencil but heck, I wanna do some wood burning anyway.

Hey guys, I know this is an older post, but I've been scouring the internet to find a way to remove the bezel. Am I missing something simple?

How do I get the plastic off of this beast?



Posts: 17,233   +234
It's been a while since I worked on one of these now. There are 4 small screws, 2 on each side. You can reach these screws after carefully prying apart the plastic case with a rather large flat blade screwdriver
I actually figured it out RIGHT after I broke a couple of the Plastic pieces. Maybe they sell replacement back panels.

I thought maybe it was a capacitor issue, but all the caps look good. I'm thinking it may be one of the CFLs like the person above had an issue with. I'll be scouring this thread for a while I think :)

Thanks for the snappy reply!


Posts: 17,233   +234
I don't think any parts are available for this old heavy monitor. If you get momentary video, it is probably a video processor fault


Posts: 17,233   +234
I was able to get a video processor from a broken used monitor, and it fixed on of the monitors I was working on... This was over a year ago
Is there any way to test the processor or diagnose why else it might be having a problem? I'd hate to scrap it.
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