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Hello- I just purchased a refurbished HP 1740 17inch flat screen LCD monitor from Overstock.com. The display is great, however on occasion the screen goes white. It reminds me of screen saver and seems to be doing it when inactive for a while. But sometimes it appears to be doing it whenever I change applications. It stays white until I restart the monitor. Moving the mouse does not help. (It's done it once as I type this). I looked around-- one post said to delete the Logitech camera I'm using. For my son's games we installed the Nvidia drivers from their site. Someone else said the drivers needed to be updated. But when I go to the Nvidia site it says all are updated. My brother is a computer superfreak but he lives out of state and says he has never heard of that. I saw a couple of other blogs with people saying it has happened to them, but not many. Any thoughts?

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  • cmrix Nov 13, 2008

    Stellyx-- Thanks-- I'm going to try it now. (Everyone I know who could help me has split !!)

  • cmrix Nov 15, 2008

    Hello Stellyx-

    So far I have deleted and re-installed an older video driver, deleted my Logitech program (someone said that might be the case- the software conflicts?), I have defragmented the C: drive, increased screen resolution, chcked all connections, and turned off the screen saver. Still a white screen every once in a while with no pattern as to when. Seems to happen more frequently as the computer is on which makes me think it's heat related. Still seems to happen, perhaps coincidentally when I change applications. I can push the "minus" button on the front control of the screen, it then goes from white to black, then it comes up again. Hubby is taking it into a computer service guy today. If he cannot fix it cheaply I will send the thing back. (First choice was to send it back but then I'd be without a monitor, and whose to know whether or not it's my computer causing the monitor problem...). Anyway-- thank you so much for trying, you're a doll!.


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Hi Cmrix,

it does sound like a driver problem in fact id bet on it. Just because the latest drivers are downloaded does not mean they are the best thing for your display. For example i fixed a clients pc that wanted to play the world of warcraft game and the solution was to actually install an older version of the drivers for his video card.
Theres a couple things you may try but it requires that you uninstall the latest drivers and install an older version of the drivers. You can do this by uninstalling the card and/or replacing the drivers with older ones through the device manager(start menu>control panel>system>hardware>device manager).

My other thoughts on troubleshooting this is to make sure that my screensaver was turned off and see if that fixes anything. what bothers me about this is that it happens while your using the pc (moving the mouse, using the keyboard etc).

It might also be a bad connection of some sort so you might replace the monitor cable, re-seat the vid card etc.make sure nothing is lose.

I hope I helped

Posted on Nov 13, 2008

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Posted on Jan 02, 2017

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Need a hp part number for a lcd display for a HP Pavilion dm4t-1200 laptop.


I would like you to try using HP's Part Surfer.

1) Put your Product Number, or Serial Number in the Quick Search box,
(P/N = Product Number.
S/N = Serial Number.

{DO NOT give out the serial number on a public forum such as this. Only on the HP website}

2) Then click the blue down arrow on the right side of the - Select a country or region - box, and click on your country.

3) Finally go back to the Quick Search box, and click on the side arrow to the right.

Post back in a Comment as to your findings.
We'll go from there.

On the back of the LCD screen is the HP part number.

http://www.screentekinc.com/HP_Pavilion_DM4T--14-inch--1366x768-wxga_hd-laptop-lcd-screen.shtml

{Scroll the page down, and see if any of the 36 part numbers may be a match}

Display LCD screen replacement instructions,

http://www.insidemylaptop.com/disassemble-hp-pavilion-dm4-laptop/

http://www.insidemylaptop.com/replace-lcd-screen-hp-pavilion-dm4-laptop/


Awaiting additional questions. Please post in a Comment.

Regards,
joecoolvette

[ P.S.
You can disconnect the LCD display, and use an external VGA monitor, while you wait for the replacement LCD screen.

1) Laptop off, VGA monitor off.
2) Connect the VGA monitor to the Left side of the laptop.
( External monitor port. The VGA connector resembles this one,

http://en.wikipedia.org/wiki/File:SVGA_port.jpg

3) Turn the VGA monitor on. Wait for it to 'warm up'.
Turn the laptop on.

If the display does not automatically go to the external monitor;
Press, and hold down on the Fn key.
Tap the F4 key.

(The VGA monitor can be a CRT monitor, {Looks like a small TV}, or a flat LCD screen monitor that has a VGA connector, and a VGA cable ]

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gstanz52, Oh, Oh, looks like someone needs a new wide screen lcd monitor!!! What is the "date of manufacture" from the rear label???? Maybe the "black screen of death" has finally caught up with your 6 to 8 year old lcd monitor. I would guess that the internal electronic ballast circuit (inverter) has failed and will not supply 500 to 1000 vac to light-up the cold-cathode-fluorescent-lamps" any more!!! Next thing to do is go HERE: http://www.lesliewong.us/blog/2005/05/02/hp-pavilion-f1703-flat-panel-display-blackout-solution/ Do some reading to determine if a possible DIY refurbishment of your unit is in your future. If you want to try refurbishing unit, then do some reading in the fixya profiles of "budmrtn" "buddymc" "12fixlouie" (me) for more information and or do comment to this post. Then you should watch some video clips at YOUTUBE of owners/ technicians disassembling and repairing typical CCFL back-lit lcd monitors.
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If you are going to DIY and have proper tools and know safety precaution then please read on:
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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
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

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Kim, The LCD display requires WHITE light so you can see all the colors on the screen. Most BLACK screen problems will be a power supply problem internal to the monitor. I monitor is still under warranty, have Viewsonic repair it. Here are a few more options that could be available if unit is out of warranty. 1. Trade in for new widescreen display. Please note that the electronics technician at the store will evaluate your monitor and try to repair it for less than $10 in parts! He or she will keep it as a spare unit or sell your monitor for $40 - $60 to a buddy that needs a spare or second monitor. 2. Check to see if Viewsonic has a CASH+old unit swap-out program. They ship you a REFURBISHED same model unit w/ 30day warranty. Yes! They will REFURBISH your old monitor and ship it to another customer. But that's only if a swap program is in effect! 3. Check with a local TV/LCD monitor repair shop, to see if they refurbish LCD monitors with new or rebuilt "switch-mode-power-supply" / "inverter supply" / "cold-cathode-fluoiescent-lamps" . 4. Most costly option. Buy new display AND have your VX910 repaired and kept as spare unit! Before you do any of the above mentioned options visit (FYI) YOUTUBE and search for and view the longer (8-12 minute) video clips of "LCD monitor repair" and "LCD monitor disassembly" to learn what the most common causes of LCD BLACK SCREEN failure are and what parts are used to fix them. Also visit www.ccl-la.com/badcaps.htm and www.lcdparts.com , www.badcaps.net for more information. If your VX910 falls into the FAILED CCFL backlight catagory get back here to fixya and let us know what option you will persue. If this was helpful to you or someone else, rate this response on fixya. 12fixlouie by for now.

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