Question about HP vs19 (Silver) 19" LCD Monitor

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When I turn on the power switch, my desktop screen lights up for a second, and goes black.

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  • theoldbear_2 Jan 10, 2010

    Thanks everyone that replied. I replaced the 3 capacitors, and now I'm up and running again.

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Theoldbear_2, First go to YOUTUBE and view the longer VIDEO CLIPS of LCD MONITOR DISASSEMBLY and or LCD REPAIR !!! Your monitor has the CLASSIC backlight symptom. Then get back to me or any of the other guys here on fixya and we will give you at least 3-4 options that you have open to you. Bye for now. I'm louie12fix on fixya or lmistyrel @ aol.com please rate this response on fixya. Hope to hear back from you..

Posted on Oct 07, 2009

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Posted on Jan 02, 2017

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1 Answer

Connecting lighting correctly


Don't know what you're working with.

AC household electricity?

Common (White) wire goes to all three lights. Goes to silver colored screw.
Hot (Black) wire goes to switch, then all three lights.

ALWAYS put the switch in the hot wire. Not the Common.
Reason?
Let's say you are changing a light bulb.
Your feet are on the floor. You are then considered to be Grounded.

You have the light switch off. You go to remove the light bulb, slip, and a finger goes in the socket.
Result?
You get shocked.

Hot (Black) wire has the switch. This time of you slip, and a finger goes in the light bulb socket; you won't be shocked.
The power is turned off at the switch.

Common wire comes from source. (Service Panel/'Breaker Box'), and goes to the lights.
Hot (Black) wire comes from source, and goes to light switch.
Then to the first light, second light, and third light.

Is there a 3-way switch involved?
Walk in one end of the room, turn the light on, walk to the other end of the room, and turn it off?

Post back in a Comment as to the exact query.

Regards,
joecoolvette

Jan 26, 2013 | Computers & Internet

1 Answer

Monitor isn't working...shows desktop screen for a second then goes black.


reinstall windows ur screen resolution is not accepted by monitor

Apr 26, 2009 | Computers & Internet

1 Answer

Screen Keeps turning off after about 1 second. I turn it on and can see the desktop for about a second then the screen shuts itself off. turn it on and it keeps going off.like everysecond or two..tried...


willie114, You have typical problem of lcd monitor failure. There is only one further test you can do. Reconnect H170L to an already fully booted pc with WIN-Desktop showing. then and only then turn on H170L. As soon as screen goes to BLACK, shine bright flashlight 1 -2 inches from screen at different angles. You may or may not see the desktop screen even though the screen is black. If desktop can be seen it only means that the power supply is still powering up the digital lcd driver board. The problem is that your long, thin, Cold-Cathode-Fluorescent-Tubes are not lighting up due to a problem with the Inverter Supply that feeds AC to power the lamps. The inverter gets DC from the Switch-Mode-Power-Supply. The technology your are dealing with is similar to the new energy saving curlieQ screw-in replacement light bulbs. Only your tubes are straight and hung left to right horizontally in back of the lcd and their power source is a bit simpler and called a converter. AC to AC. Get back to me and I will let you know of your options as a consumer/user whose screen has gone to BLACK. I'm louie12fix on fixya or lmistyrel@ aol.com Bye for now

Apr 25, 2009 | Envision H170L Monitor

3 Answers

Screen goes black, but power light is on (not blinking)


The problem is not with your screen. Its the problem of Video Card of your system which is unable to send Video Signals to the Screen.

Apr 23, 2009 | Daewoo L700C 17" Flat Panel LCD Monitor

1 Answer

The LCD does goes dark after power on


you mean few second the monitor goes in black. then its come. if it happen, it is ok

Jan 21, 2009 | Sony VAIO® VGC-LS37E PC Desktop

1 Answer

Plasma tv screen goes black once you turn it on. Only sound


I have a panasonic TH-42PX60U plasma TV. When I watch TV programing I have no problems, or with the DVD input. But if I switch to another input, be it video game (PS2) or vcr the screen sometimes goes black and the red power lcd light next to the power switch flashes. Holding the power button in for a few seconds will shut down the tv. Then I can turn it back on and it may operate normally again for a undetermined period of time, before the screen goes black again. This never happened when new. The tv is about 1 year old. Any ideas on this problem? Thanks Ernie

Aug 13, 2008 | Televison & Video

1 Answer

Westinghouse LCM22W2 shows a display then turns off after half a second


I have the same problem and have traced it down to a potential power supply issue.  I bought mine at Best Buy in '06 and was told today that they will test the power supply for free.  It may range from $50.00 to $100.00 depending on where you can get it.  This does not include labor for those not qualified to work with electronics.  Hope this helps you.

Aug 13, 2008 | Westinghouse LCM-22w2 Television

1 Answer

Monitor goes blank less than a second after turning on.


do you have an aftermarket video card. In the bios you have to tell the computer if it is looking for a agp/onboard or PCI video card. Either that or the video driver or settings are wrong Try safe mode to check

Jun 25, 2008 | Dell Dimension 2400 PC Desktop

2 Answers

RE:monitor goes black


Monitor going black after a few seconds can be causd by a faulty power supply or inverter. Some monitors have both as one unit.
Sometimes it is basic failed capacitors, After that then I would look at transistors.
The average monitor from 17 to 20 and sometimes the 22s have usually 4 bulbs in them. One bad bulb will also cause the inverter to not fire up.
Bad bulbs usually show pinkish tint, or flickering or are dark at center top or bottom of the display.
ebays bammbammfran

Sep 21, 2007 | Acer AL2017 20" LCD Monitor

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