Question about HP Pavilion dv2500t Notebook

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Hi, I have hp pavilion dv2500 laptop. I have display problem.pls help how to rectify it. If i connect exteranl CRT monitor Display is coming . Pls tell me how to disassemble the laptop.

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You might have either a faulty LCD cable or screen inverter board.
The LCD cable transfers data signal from the motherboard & video card to the LCD screen. It also supplies high voltage DC power to the screen inverter board. The screen inverter board works as a power supply for the backlight lamp mounted inside the LCD screen. It converts low voltage DC power to high voltage AC power needed for the backlight lamp.

In this service manual, you will find an illustration of how to disassemble the laptop & replace either the LCD cable or screen inverter board:
http://h10032.www1.hp.com/ctg/Manual/c01295820.pdf

Posted on Sep 17, 2010

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2 Answers

My laptop screen is not coming on it is receiving power but still not coming on


Timothy, post the laptop manufacturer, and the laptop's model number. It's on the bottom of the laptop, Usually in a sticker, or white Service Tag.
This way I can guide you in more detail. Post back in a Comment.

A) Laptop OFF, monitor OFF, connect a VGA monitor to the VGA connector, on the laptop.

This is an example of a VGA Cable, and VGA connector,

http://en.wikipedia.org/wiki/VGA_connector

Could be on one of the sides of the laptop, or the back of the laptop.
You can use a CRT monitor, (Looks like a small TV), or a flat LCD screen monitor, that has a VGA cable attached.

B) Turn the monitor on. If a CRT type allow it to warm up.
Turn the laptop on.
By default the display should show on the external VGA monitor.
IF not;

There are at least three display options available:
1) Internal monitor of laptop ONLY
2) Internal monitor of laptop AND external VGA monitor
3) External VGA monitor ONLY

Press, and hold down on the Fn key, and at the same time tap once on the Display Toggle-Over key.
Which one is it? Dunno. You didn't state what laptop manufacturer, and model number.

It is one of the F1 through F12 keys. Most of the time the F4, or F5, or F7 key. Has a monitor symbol on it, and sometimes a side arrow.

No display on external monitor still?
Hold the Fn key down again, and at the same time tap once more on the Display Toggle-Over key.

If the display still does not show on the external VGA monitor, you have a bad graphics chipset on the motherboard. Usually means motherboard replacement.
(There are problems with HP Pavilion dv2000 series, Pavilion dv6000 series, and Pavilion dv9000 series, in this area. There are other model series of laptops also, not just HP. There is a solution besides motherboard replacement)

C) IF, the display shows on the external VGA monitor, you have a problem with the Video Cable, or inside the Display Assembly.

I can help you find it, just need the laptop manufacturer name, and Model Number.
Post back in a Comment.

Regards,
joecoolvette

May 28, 2012 | Computers & Internet

1 Answer

Pls my HP Pavilion dv6000 is screen is displaying in fours, When i connected the system to an external monitor, it displayed normal on the external monitor. Please what should i do.Thanks Kazeem Ola


Hi,

Try to update the graphics driver of your laptop, it can correct the problem. Just download the graphics driver specific for your lifebook model and operating system version.

Thanks.

May 16, 2011 | Computers & Internet

1 Answer

I have an hp pavilion n5430 that wont power up. The lights on the front light up but thats it. What could be wrong?


Hi Friend,

If You have External monitor at your place pls connect to your laptop and check whether you are getting external display on monitor screen, if there is no display on external monitor that means motherboard of your laptop might have some problem. if that is the case you have to visit service centre.

Jun 30, 2010 | HP Pavilion N5430 Notebook

1 Answer

Blank screen,pwr sup appears to ok, fans runs, pwr light on


The issue seems to be due to defective video card on the notebook. Connect and external monitor to the PC and check if it works fine or not. You can follow the steps listed below to connect an external monitor.

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.

If your PC is under warranty, contact HP to get available options to get the notebook repaired under warranty.

May 26, 2010 | HP Pavilion DV2500T 14.1" NOTEBOOK LAPTOP...

2 Answers

HP dvp6000. My screen is black. External display works fine.


Your LCD screen has back-light problem. It is caused by a faulty inverter or a faulty CCFL lamp. Please click on this link and follow my instruction for a possible solution :-
http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen

Feb 17, 2010 | HP Pavilion dv6000z Notebook

1 Answer

Hp pavilion dv2000 notebook will not boot up


Go to this Hp website for you could have a grapgics chip fault. One way to test is to plug a VGA monitor into the VGA outlet port on the upper left side of you laptop and start it up. If you get a clear display you have a screen problem - next step remove the external monitor and again boot up but in a darkened room to see if your backlight is off - if you can just see the HP logo in the back ground then your backlight has failed or more rightly - the backlight micro switch under your R/H hinge has failed. A cheap fix. If there is no display external or TFT your Nvidia graphics chip has failed. m/board replacement required BUT you may qualify for free m/board replacement under Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} HP Pavilion dv2000/dv6000/dv9000 and Compaq Presario v3000/v6000 Series Notebook PCs - HP Limited Warranty Service Enhancement go to this site below to see if you qualify
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01087277&cc=us&dlc=en&lc=en&jumpid=reg_R1002_USEN

Mar 07, 2009 | HP Pavilion dv2000t Notebook

3 Answers

Hp laptop dv2500


Try taking the battery out and then restart with only your external ac power connected.

Sep 18, 2008 | HP Pavilion dv2500t Notebook

1 Answer

HP Pavilion dv2500 no display when power lights not blinking


Hello

To get the display on the TV . Please press Fn + F4 after connected TV to the Notebook using Svideo cable and the cable should be connected to the Svideo port of the Notebook.

If there is not display on the Notebook after the Svideo cable burns.
Then please perform the following steps.

= Power Drain =

1. Disconnect the AC Adapter.
2. Remove the Battery.
3. Hold the Power button down for 30 seconds to 1 minute.
4. Reconnect the AC adapter and Battery.
5. Turn on the Notebook power.

If the issue persists then check whether the display is same on the external monitor.

I hope this will work.

Thanks

Aug 24, 2008 | HP Pavilion dv2500t Notebook

1 Answer

DV9205eu display problem


HP has identified a hardware issue with certain HP Pavilion dv2000/dv6000/dv9000 and Compaq Presario V3000/V6000 series notebook PCs, and has also released a new BIOS for these notebook PCs, version F.39 for dv2000/V3000, and version F.3D for dv6000/dv9000/V6000.

Click HERE to update your BIOS

May 03, 2008 | HP Pavilion dv9000z Notebook

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