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A) Graphics chipset B) Video Cable C) screen Inverter D) LCD screen
Let's diagnose, and find out.
A) Graphics chipset:
To start off with, the Pavilion dv5000 series of Notebook PC's; is NOT known to have a problem with the graphics chipset. The Pavilion dv2000 series, Pavilion dv6000 series, and Pavilion dv9000 series; does.
1) Laptop OFF, monitor OFF, connect a VGA monitor to the VGA port; on the laptop. The VGA port is on the Left side of the laptop, and located towards the rear.
This is a general example of a VGA connector (port), and VGA Cable,
You can use a CRT type of monitor (Looks like a small TV), or a flat LCD screen monitor if it has a VGA cable.
Turn the monitor on. If a CRT type allow it to warm up. Turn the laptop on. By factory default settings, the display should show on the external VGA monitor. IF not:
There are at least 3 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 F4 key. The F4 key is the Display Toggle-Over key.
Still no? Hold the Fn key down again, and tap once more on the F4 key.
No display on external VGA monitor, suggests a problem with the graphics chipset. (Most of the time it is a problem with the Mounting, of graphics chipset TO motherboard. If this proves to be your problem, state in a Comment )
Display on external VGA monitor means the problem is the Video Cable, or inside the Display Assembly. (screen Inverter or LCD screen)
B) Video Cable:
The Video Cable plugs into the motherboard, in an area under the Switch Cover.
(Left side. Switch Cover is the plastic cover above the Keyboard, and below the LCD screen. Has the Power On Button, LED indicator lights, etc in it)
It then loops by the left Hinge, and goes up into the Display Assembly. There is a small separate wire that comes from the main Video Cable, and connects to one side of the screen Inverter. The main part of the Video Cable goes on, to connect to the back of the LCD screen.
Click on image to enlarge. The wide connector you see at the top/left, connects to the back of the LCD screen.
The wide connector at the bottom/right, connects to the motherboard. The single cable (Wire) coming off at the bottom, connects to one side of the screen Inverter.
Just due to normal repeated opening, and closing of the laptop; the Video Cable may become pinched. This leads to it being pulled on, and may also lead to damage of the Video Cable. (Stretched/Broken wires)
Procedure is to Physically check the connections of the Video Cable. Visual inspection alone will NOT do. You need to physically see if you can plug the connection in tighter.
1) ALL power removed. Remove the AC adapter (Charger), and Battery. 2) Remove the Switch Cover.
[Switch Cover is just that. A Cover. I will give a link to a free Service Manual from HP Support, towards the bottom of this solution ]
Try to plug the Video Cable connection at motherboard, in tighter. Once done reinstall the Battery, and attach AC adapter. Plug AC adapter into power. Turn the laptop on.
Still no? Turn laptop off. (Hold down on Power On button) Remove ALL power again.
This time check the Video Cable connections at screen Inverter, and back of LCD screen.
The plastic frame in front of the LCD screen is the Display Bezel. Example,
Service Manual indicates to remove Display Assembly from laptop, in order to remove Display Bezel. IMHO this = NO. I think you can remove the Display Bezel, without having to remove the entire Display Assembly.
This video details removing the Display Assembly. Shows replacing the LCD screen.
What my concern is with removing the Display Bezel, is the integral Hinge Covers that are a part of it.
I believe the Display Assembly can be tilted far enough back, that the Display Bezel can be removed, and carefully ease the Hinge Covers out/off at the same time.
Why not just remove the Display Assembly? A whole lot less stuff to reconnect, after you have checked the LCD screen connection of the Video Cable, and screen Inverter connection.
After disconnecting the LCD screen from the Hinge Brackets, you just tilt the LCD screen forward, and check the Video Cable connection. Then slightly tilt the Display Cover back, so the LCD screen can rest against it, and reinstall power.
Connections are plugged in tighter, and this proves to Not be the problem, go on. (Don't forget to remove ALL power again)
The Screw Covers are made of synthetic rubber, or plastic. They are held in place by a type of rubber cement. I like to use a computer pick, (Much safer than a blade!), and lift up at the base of the Screw Cover.
I also like to GENTLY stick them to the Display Bezel for safekeeping. (They like to stick to the tool, your fingers, and it seems passing cars. "Oops, dropped one. Where'd it go? Hmmmm)
If you are careful with them you can reuse them. (Doesn't stick anymore? Apply a TINY dab of rubber cement to them, with a toothpick)
Screws removed, I suggest cut a piece of thick construction paper, that just fits the inside edges of the Display Bezel. Helps prevent scratching the LCD screen, from your fingernails, when you go to flex the Display Bezel, and remove it
The LCD screen is an Assembly of layers. They are held in the factory aligned position, by the metal Screen Frame which surrounds them.
There are screws that hold the Hinge Brackets TO the Screen Frame, and there are screws which when removed, will take the Screen Frame apart.
ONLY remove the necessary screws which hold the Hinge Brackets, TO the Screen Frame!
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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>
Have a look at the label on the bottom of the V3000 laptop and check the voltage and amps power rating of the laptop.
If the DV9000 adapter has the same voltage and current rating (amps) or higher amp rating then it is suitable for the V3000 laptop, provided the power plug fits the V3000 power socket.
you may find the hinges parts from eBay which is cheaper price: http://shop.ebay.ca/?_from=R40&_trksid=m38&_nkw=HP+Pavilion+DV9000+hinges&_sacat=See-All-Categories
how to replace your laptop hinges:
1) take out the screws at back of laptop under the hinges base
2) or take out the screw at side of laptop near the hinges base (if you find any screw there)
3) there are two cables connect between LCD lid and laptop base
you do not need disconnect those canbles. just careful them
4) take out all scews on the front of lid cover( the scews is covered by thin plastic cover), then take away front lid cover.
5) take out the screws at beside hinge base and side of LCD panel(2-4 scews at one side), you need check the back of lid cover can separate to LCD panel a little., be care replace only one at one time .
6) put back all screws step by step.
hope help you fix it, please take a rating let me know how much you are helped, thanks! any question please let me know!