Question about HP Compaq Presario V2000 Notebook

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Changing backlight bulb - HP Compaq Presario V2000 Notebook

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Changing the back light bulb is a bigger job than replacing the screen and on most models, is not possible.

I recommend going to amazon.com to find a screen (great prices) and replacing the whole unit to enure a fixed problem.

Posted on May 24, 2011

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Posted on Jan 02, 2017

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Sound but no picture, on Utube said do the Flashlight test on the screen when done saw picture in there that means the screen not out,but they never said what part caused it, any suggestions on that


most likely the backlight bulbs have blown or the converter that connects to them, easy to replace bulbs, try ebay for some, i fixed mine for 10 pounds plus post, took half hour to change, else phone local tv engineer , tell him/her the backlight bulbs are not working, should be cheap fix.

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change the inverter if it does not work ,you will have to change the backlight bulbs or you change the screen

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The "pot" really adjustable electrical resistance feed in the bulb directly of through a triac is most likely showing intermediate contact between the resistance coil and "slider" - it will have to be replaced.

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My laptop screen will not say on for a normal time period. I change the inverter board but the screen still turn off. Why?


you are getting display when the backlight bulb of the monitor is working,when the back light bulb is going off you are not getting the display... in some computer the backlight bulb of the screen is the part of lcd screen assembly..your computer model has got one CCFL BULB WITH DISPLAY ASSEMBLY..The item number of your comput's lcd is - NXK702-0293,resolution-WXGA+(1440*900),type-Matte,backlight connector-2 pin,video signal connector- 30pin

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Black screen


Usually when you see a reddish hue then black.....is indicative of an inverter or backlight failure. Hold the laptop up after it is started and look from the bottom toward the top. Try to shine a flasklight at the bottom of the screen upwards...see if you can see the windows startup screen or anything that gives an indication that the laptop is running and booted to where you can faintly see something on the screen. If you can barely make out an image, then 9 times out of 10 you need another inverter. There are rare occasions that a backlight bulb will fail, but this is rare and most backlight bulb failures are from shock damage. The inverter can be changed by simply removing the screen bezel, unplugging the inverter and changing it. If the bulb has been broken or burned out, it is more cost efficient to simply change out the lcd panel. The bulb sits in a channel under the lcd panels inside the aluminum framework. The panel has to be disassembled to remove it.

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No, it is not easy to change the backlight on an LCD panel. The backlight is an integrated part of the LCD panel itself. The backlight for LCD monitors is also model and manufacturer specific, so there's no easy place to order a backlight to do it yourself. The good news is that your Samsung monitor should come standard with a 3 year warranty, so if it's less than 3 years old, you can call Samsung and they'll repair/replace it for free. If it's over 3 years old, then you may need to repalce the monitor... or pay to have it repaired.

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change the neon bulb inside the lcd will light it up again.
note : the neon bulb's cables color Pink and white

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Display is tinted pink at all times except when powersaving alert comes on the screen


Hello,

When LCD monitors start turning pink that is an indication that the backlight fluorescent bulbs are going out. The backlight bulbs are just like the bulbs in the lights in an office building only much smaller. The bulbs can be changed but it is not a task for a beginner to undertake. Your best course of action would be to get a replacement monitor. The parts to repair yours would run about $25-35 and would take several hours to repair.

Buddy
Corporate Computer
www.ccl-la.com

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You can buy backlight fluorescent bulbs on eBay.

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If there is one backlight bulb it should be in the bottom fo the screen, if 2 than 2 on the top one on the bottom. I want to point one thing though, if you break the seal around LCD screen that will defect picture quality, I if you are having issue with backlight there is the greater chance that the cable is broken in place where it folds when you close you laptop, rather than the bulb going out. So check the cable first if the cable is not the problem than change entire screen than just that bulb.

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