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I have an hp pavilion dv7-4165dx. How do i turn on the keybpard backlight?

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The dv7-4165dx doesn't come with a backlit keyboard.

Posted on Dec 14, 2010

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I'm pretty sure it's the FN key plus the spacebar.
Let me know if that works ;)

Posted on Nov 12, 2010

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1 Answer

Hp pavilion dv6700 has blank display


If you have access to a monitor plug that into the laptop and see if you have a picture if you have it probably the invertor that lights the backlight its behind the screen at the bottom
cheers
Sky

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My hp dv600 when powered up looks normal but if i give it a few seconds the screen goes black and wont come back i shined a light and i do have picture but no light maybe ballast?


alejandro,

An LCD screen cannot produce enough light by itself. It needs an additional light source.
A Backlight is the additional light source.

A Backlight is a CCFL.
Cold Cathode Fluorescent Lamp.
Very similar to the Fluorescent lamps, (Bulbs), used in homes and businesses, but on a MUCH smaller scale.

HP Pavilion dv6000z series Notebook PC, is a general series designation. The EXACT model number is on the bottom of the laptop in a white Service Tag.

The HP Pavilion dv6000z series of Notebook PC's used either an LED or CCFL type of Backlighting.
Depends on which model it is.

http://www.screentekinc.com/backlight-ccfl-led-explained.shtml

As stated in the above information a Backlight is mounted in the back, or on the side of the LCD screen.
The LCD screen is composed of layers. These layers are held together by a metal frame which emulates a picture frame. If the Backlight is a side unit it will be held in place next to the layers, and inside the metal frame.

[Which means the LCD screen's metal frame, (LCD Panel Frame), needs to be opened on one side.
This will leave the layers which compose the LCD screen loose. The layers MUST be held in the proper placing when changing out the Backlight. Not an easy job to accomplish]

An Inverter is used to change the power coming from the laptop, to be used by the LCD screen, and Backlight.
90 percent of the time the problem is the Inverter.

The Inverter for the Pavilion dv6000z series of Notebook PC's is located inside the Display Assembly.

The Display Assembly is the
1) Display Enclosure Cover, (Plastic top of laptop),
2) LCD screen,
3) LCD Panel Frame, (Metal frame around LCD screen),
4) Display Bezel, (Thin plastic frame which surrounds the LCD screen in the front)
5) Camera Module
6) Inverter
7) Display Enclosure Cover Hinges (2)
8) Display Enclosure Cover Hinge Covers (2)
9) Wireless Antenna Transceivers and Antenna Cables
10) Microphone receivers and cables
11) Various mounting screws

[The Top Cover for a Pavilion dv6000z series Notebook PC is essentially the Palm Rest. The cover under the Keyboard]

With the Display Bezel removed the Inverter is located at the bottom.
(Display Assembly removed from laptop first)

HP Support > Pavilion dv6000z Notebook PC series> Manuals>Service Manual>

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&lang=en&product=3224052&

One example of an Inverter for an HP Pavilion dv6000z series Notebook PC,

http://www.amazon.com/DV6000-DV9000-V6000-INVERTER-AS0231721C1/dp/B00480MXUS

Please post additional questions in a Comment.
Regards,
joecoolvette

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1 Answer

What can I do to fix my hp pavilion tx2000 because it shows a black screen when I turn it on but everything else works fine and it even worked perfect when I connected it to another monitor by vga


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.

Sep 15, 2010 | HP Pavilion TX2000Z Notebook

1 Answer

I need to find a replacement keyboard key. My letter "C" has broken off.


Hi

sometimes one can purchase seperate single keys for your keybpard

Or look on ebay keyboards are not expensive and very easy to fit if you ask the buying for fitting instructions he may send them if not just google or look on youtube for video.s on how to fit HP keyboard

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My hp laptop screen wont turn on.


You have a bad backlight or backlight inverter , that need to replace. Bring the laptop to expert technician.

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HP Pavilion dv1227US notebook PC Backlight Power Inverter


Take 2 bottom screws from LCD bezel. Pull front bezel off gently. Small board in the middle right under the LCD.
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1 Answer

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