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LCD Monitor my hp f2105 lcd widescreen monitor screen goes black after 1 sec when you turn it back on it again stays on for only 1 sec any help would be good, thanks

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Is it connected to a PC? is the power source good 110v or 220v?

Posted on Mar 30, 2008

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1 Answer

My Monitor keeps going black


Sounds like you have something overheating in the screen pull the back cover and blow it out.

Jan 20, 2013 | HP 17 1740 DVI Rotating LCD Monitor w/USB...

1 Answer

Monitor gos black turn off then back on video stays on 15 sec then off again


Hello
It could be a bad monitor or videocard ,the only way to test this is by connecting another monitor to that PC or your monitor to another PC.

Good Luck

Feb 13, 2012 | HP PC Desktops

1 Answer

Ii have one hp w1907 lcd monitor. It will work few second and goes black screen When the lcd on .again i off and on the screen goes black at this time.


may be this is you are mentioning there is no display in your monitor or u have already getting the boot display. if u getting the boot display it must be the problem of your monitor inverter board in side ur lcd. otherwise it must have your computer memory not working properly so u must clean and re install your memory first.thank you.

Sep 07, 2011 | HP PC Desktops

1 Answer

I have a hp laptop. was on line and screen went black. and will not show again. it strats up sounds but black screen.what do i do


1) Do you have a VGA monitor that you can use for an external monitor?
{VGA monitor is also referred to as a CRT monitor. Looks like a small TV}

The back of the laptop, or side, has a VGA port. The VGA monitor is plugged into it.
{Laptop off}
Then the VGA monitor is turned on, and allowed to 'come to life'.

Now turn on the laptop. Press the Fn key down on the keyboard, and hold it down.
Now press the Monitor toggle over key.
Since you did not state the HP laptop Model Name, and Model Number, I can only give you generic guidance on this.

The monitor toggle over key has a monitor screen symbol on it. It will be one of the F keys.

(It's an External Monitor toggle key.
Press it one time and the display toggles over to an external monitor.
Press it again, and both the laptop LCD screen, and the external monitor have a display on them.
Press it once more, and the display goes back to the laptop's LCD screen )

If display shows up on the external monitor, you have a problem with the display of the laptop.

Primer:
An LCD screen cannot produce enough light by itself. It needs an additional light source.
A Backlight is used as an additional light source.

A Backlight is a CCFL.
Cold Cathode Fluorescent Lamp {Bulb}
Similar to the fluorescent lighting used in homes and businesses, but on a MUCH smaller scale.

{Average Backlight is 3 to 5 inches long, and half the diameter of a No.2 pencil.
The Backlight is located on one edge of the LCD screen}

An Inverter is used to provide power for the LCD screen, and the Backlight.

90 percent of the time the problem is the Inverter.

Inverters are relatively cheap, and if I knew the Model Name, and Model Number of your HP laptop, I could give you a link to HP Support where you could download the Service Manual for free.

This way you would have a manual to show, and detail how to replace the Inverter, and I could guide you.

I could also give links for your perusal for Inverters.

There is one more thing however.

HP Pavilion DV2000, DV6000, and DV9000 series laptops, have a graphics chip overheating problem.
The laptop comes on, the blue indicator LED lights light up, but the LCD screen is black.

This video explains why, shows a solution to fixing the problem, and details out a lot more than I am privileged to state here,

http://www.youtube.com/watch?v=bnkQNmKauEc

Have further questions regarding any of the above, please state in a Comment.
(Believe upper right of your page)

Regards,
joecoolvette

Dec 02, 2010 | PC Desktops

1 Answer

LCD show right picture for 1 second when I turn on, then go black


you need to read the monitor manual . other wise you can contract the dealer.

Jan 21, 2009 | PC Desktops

1 Answer

My 21inch Samsung monitor screen keep turning black


try another monitor to make sure that the problem is not as a result of there being no output from the system unit

Dec 22, 2008 | Dell Inspiron 531S (DDCWGA1_5) PC Desktop

1 Answer

Screen does not stay on it just flashes on every four sec


Sounds like the refresh rate of your video adapter is set incorrcetly, especially if the monitor is new to the system. CRT monitors could handle a wider rate range than the current LCD's.

The next time it starts working correctly, go to "display settings" and check the "monitor" tab. For a LCD monitor, the refresh rate should be between 60 and 72. Experiment with the different rate settings to optimize your display.

Hope this helps

Nov 19, 2008 | Compaq Presario SR1120NX 2.66GHZ Tower w/...

1 Answer

I currently operate an HP nc8430 Laptop with a docking station. Attached is a Phillips a 24" Widescreen LCD monitor. The problem is as follows: • At startup, the Laptop and LCD work fine up until...


1) Change the power settings to not do anything when you close the lid under AC power. The LCD isn't entering sleep mode, the laptop is.

2) Change the monitor setup so that monitor 2 (the LCD) is the main monitor.

3) Change the resolution for the LCD to the way you want it. (You may also have to use the monitor's adjustments - on the monitor - to make the display a little smaller, so you can see everything. Different monitors are masked differently.)

Sep 10, 2008 | PC Desktops

2 Answers

Samsung 940BX LCD monitor 9 mos. old, Problem with monitor not staying on. You turn it on, it will come on for about 3 secs w/picture then goes off, but blue light stays on, black screen. Press power...


The IPboard part no. BN44-0012A is bad. We had to replace 5 monitors with the same problem. If under warranty call 1-800-Samsung for repair or exchange.

Korhan Balimtas

May 19, 2008 | PC Desktops

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