Question about HP Pavilion dv6000z Notebook

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Monitor going berserk

Occasionally my monitor on my labtop will start rolling so fast all i see r horizontal lines

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  • 58 Answers

This could be due to corrupt display drivers on the notebook or the video card is going to die. Try updating the graphics drivers on the notebook and check for the issue.

If the issue still persists, then to isolate the exact cause of the issue, I recommend you to connect an external monitor to the notebook and check for the issue on it. If external monitor works fine, then the issue with LCD display screen of the notebook. In case, if the issue persists on external monitor then it states that the video card of the notebook is going to die.

To connect an external monitor to the PC, follow the steps listed below:

1. Turn off the notebook.
2. Connect the monitor cable from the external monitor to the monitor port on the rear/side of the computer.
3. Connect the monitor to a power source and turn it on.
4. Press the Power button to turn on the computer.

At this time, please follow the instructions mentioned below for switching the display to the external monitor:

The notebook's video card supports three modes. Built-in screen only; external video only; and both on simultaneously (mirrored). If you're not seeing the image on the desired device(s), the notebook's video card is probably in another mode. Press FN + F4 to cycle through the display options: Notebook display, External monitor, both.

If you press FN + F4 once, the external monitor will display & there will be no Notebook LCD display.
If you press FN + F4 twice, the external monitor will display & there will be some shading on the Notebook LCD.
If you press FN + F4 thrice, both Notebook LCD & external monitor will display.

If the issue persists on the external monitor, then this could be due to defective video card on the notebook. However, if the display on the external monitor is fine, then the issue is with the LCD display panel of the notebook. In either cases, the notebook requires a detailed onsite diagnosis by a service technician.

Posted on May 28, 2010

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Hi,

Appreciate the "Ask Me".

I am assuming that you have more than just familiarity with electronic components and circuitry, the use of a DVM and a soldering iron. Further, that you have access to a service manual.

Width problem is basically insufficient horizontal deflection, then analysis would have to be in the horizontal section. Areas to initially focus on:
  1. 12V line and pin 29 of IC401;
  2. 110 V peak to peak at collector of Q403, if yes check Q 402 & 404 as well as T401;
  3. other components that affect the horizontal size are:
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  • Q 405, 406, 407 & 408;
  • D409
  • L401
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

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check connector going to crt base

check for video supply.

if you are not tech person take the tech help.

good luck.

 

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