Question about HP 510 Notebook

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Hp 510 monitor problem

I have hp 510 when I operated i found that the screen light is very faint,i sent to the maintenance but after a while it returned to its past. Process repeated three times noticed that whenever i leave it for a long time i got the same problem

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  • yaman101 Feb 23, 2008

    Thank you but the problem repeated three times is there any other possible reason .

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You need to replace the back light in your screen. Depending on the laptop, the back l light can be relatively cheap. It is usually the repair that costs the money. If you decide that you want to replace the back light yourself, you can find a few tutorials just by searching google.

Posted on Feb 22, 2008

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Posted on Jan 02, 2017

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I have lenovo g550...my screen flickers in every 5minutes...


Failing Inverter An inverter, typically found inside a laptop computer, consists of a small board, which has impregnated electronic circuits stamped on it. Inverters look like thin boards about the of two sticks of chewing gum. The inverter and its bulb control the intensity of the liquid crystal display, which lights the screen monitor. The computer can control the output voltage of the inverter and either lighten or darken the screen. A special type of inverter can adjust the brightness of the screen by using an internal sensor to judge the room brightness, and then adjust the screen accordingly. Failing inverters give off some specific warning signs, which can be recognized by observing different screen characteristics.

Short Intermittent Display Upon turning on the laptop, the screen flashes on in the normal mode for a short period and then blinks to black. A very faint image appears in a dark background, which will be very hard to see almost invisible. After shutting off the laptop and restarting, the same mode occurs, where the screen appears normal for a few seconds then fades to black. This condition points to a failed inverter. To confirm this, plug in an operational external monitor; if the external monitor functions, the inverter has failed. b> Total Blackout with Ghost image b> The laptop turns on, as indicated by the power supply button, but the screen comes up black. The screen comes up black after restart. You might be able to detect a very dim or ghost-like image on the monitor. When you plug in a known functioning external monitor, the external monitor operates normally. This mode of display indicates a failed inverter. b> Long Term Periodic Operation b> With this failure mode, the laptop screen illuminates normally upon start-up and remains that way after several minutes, hours or even days, until it goes very dark again. Brightness controls or restoration attempts do not work. Most often, the screen will function normally with a computer restart, but will eventually return to black. Faint ghost images might appear, as seen in the total blackout mode. b> Dark With Color Variation b> Upon computer start-up, the monitor shows black or dark gray, accompanied by very faint images. The screen might have an intermittent color change, or remain on with a non-standard color variation, like pink or red. b> Auto Control Switch b> If the screen appears black, with no faint or ghost images, look for the lid switch near the back hinge. The switch, when depressed with a closed lid, shuts off the computer and monitor functions. Sometimes the switch becomes stuck in the closed position, disallowing the computer and monitor to turn on when opened. Pushing the switch manually several times can often free it up. If the switch tab has broken or jammed inside the case, it needs replacing. b> Loose Connection In this mode, the display looks normal upon start-up, but tapping the side case of the computer turns the screen black. More tapping results in the screen functioning normally then cutting out again. This condition points to a loose wire connection from the inverter to the LCD backlight lamp, or the video cable. The connectors can be accessed by removing the monitor bezel screws and pulling the plastic retainer off. Both connectors can be cleaned and refitted.

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1 Answer

After booting, my HP 510 notebook works for a few seconds and then the screen becomes black. Computer still works when connected to external VGA monitor. Can it be processor problem ?


It sounds like you need a new ballast unit for your screen. It cannot be a processor problem as the laptop works OK on another screen. The ballast unit is beneath the screen itself.
Check ebay for a keen priced ballast unit or complete screen.
Hope that helps.

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Hp Pavilion dv6000 Blank screen. okay So My


Not for the faint hearted but here's the fix.

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

They do appear to offer a good repair service a well at what seems a good price.

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My screen is dark, appears like no back light, but everything else still works fine. can faintly see screen


Hello
If you can faintly see the screen I would guess the back lights are like you said....not working.
Can you hook up a external monitor or TV so you can still use it and get your files in order. or until you choose to get it fixed. I would get a couple of estimates first
I also found this video if you want to replace the back light inverter yourself.
http://www.youtube.com/watch?v=UT2GFVem_9U&feature=PlayList&p=70B03BCB27E35519&playnext=1&playnext_from=PL&index=16

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Black screen on booting my Compaq 610 notebook


If it seems like you're accessing the hard drive (drive light comes on, flickers intermittently, then goes off, it's a good chance your screen is bad.

First thing to do is plug in an external monitor and start up the laptop. If it comes up with windows, you know it's the screen.

To find out if it's the backlight, or the lcd, toggle the monitor function and shine a flashlight on a slight angle to the screen. If you can faintly see what was displayed on the external monitor, then the backlight inverter is probably bad.

If the external monitor didn't come up, you're probably looking at a motherboard.

The good thing is that all of those are covered for one year under Compaq's warranty, on a new machine.

If you are able to use the external monitor, back up your data, because HP/Compaq usually reformat the harddrive. Additionally, if you've added memory, pull the cards. They want it sent back the way it came from the factory.

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Call Dell For replacement backlit screen it happened with mite to the DELL

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Dell monitor blank. nothing appears on screen. light is blinking by minitor power button, but nothing at all on screen. I hooked up to my laptop, still nothing. Checked power/ tried new power cable. No...


Make sure you set up your laptop to display to a second screen. Depending on your Operating system, go to your display properties and go to the settings tab. Then click on the second monitor and enable it.

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try resoldering the ciols on the power/inverter board.

can also check for cold solder on output transistors and coil.

pd

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Samsung CLP 510 light grey vertical streaks


you have 2 problem.
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change the toner should fix both porblem.
try to clean the roller while you have the toner out. (just in case).

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