Having problems with your HP Pavilion dv9000z Notebook ?

The screen will only display top half......bottom black

\015 When you first open top and turn computer on, the screen won't come on unless you try moving the top to different positions and when you hit the "sweet spot" the screen will light up. However, at times, the image will also be very light on the bottom half and and the "pointer" will be frozen and not respond until you adjust the open position of the screen to find the sweet spot again. Also, even when the display looks good and the mouse pointer works perfectly, the screen will be jittery if you touch it or have any movement at all. From the way the screen acts, you would think that there was a loose connection, or a short or pinched wire around the hinge area, but I checked those areas and all's well there. You can gently tug on he wires connecting the screen to the base and still not cause the problem with the screen. However, with the screen in the "sweet spot" where the display is good and the mouse pointer is responsive, you can simulate the changes in the screen by pressing or squeezing the borders or edges of the frame around the screen. I took the screen apart and looked at the back panel and associated wires looking for poor electrical contact points, etc. and found nothing obviously wrong. I've made sure the mounting screws for the hinges on the screen are tight, too. I saw the inverter behind the screen, but I was thinking that it wouldn't cause the type of position and image stability problems with the screen that I am experiencing. Unless it is associated with more than the backlight of the screen? I've said all of this to let you know that I have checked all of the "obvious" causes for the screen problem.......Can you help me uncover the solution from this information?\015

Answers :

Might be the following:

There are some (neon) lights behind the screen glass. If you can see a picture from the top, and on some angle the rest of the picture (in the bottom), that means you don't have a problem with your grapgisc card, driver and display, but a problem with one of the back lights. The lamp is gone or a contact/wire that power the lamp that gives white backlight.
\015\012This can not be checked or repaired by yourself. You should find a service.
\015\012It should't cost you much, sure not that much as replacement of the LCD Panell.

Check if your warranty period is active.
\015\012Regards.
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