Having problems with your PC Laptops ?

I got problem with dv2000 HP laptop, I got very dim windows, I have change inverter, monitor, and check the lid switch, still have some problem,when connect to external monitor, everything is OK, could you tell me is there any wrong caused by mother board?? Tks a lot!!!


Answers :

IT's the GRAPHICS CHIPSET ON THE MOTHERBOARD.

ive ran into simular casses where

" DV2000 notebook by HP has some serious issues. I just recently picked\015\012this laptop up from a customer who wants me to fix it. And to be honest\015\012i’m shocked that HP even allow it to be sold at all. Don’t get me\015\012wrong, the laptop is half decent as long as it’s still working… But\015\012there are some serious design issues with it that make it seriously not\015\012worth spending your hard earned cash on. So anyway i take a look at it\015\012to figure out what’s wrong with it. Basically the problem that the\015\012customer was complaining of was that the screen is extremely dim when\015\012you boot up. The windows and graphics are faintly visible but they’re\015\012too dark to make the screen some what useable/viewable. I open it up,\015\012take a look inside, even did some research on the net. Turns out it\015\012could be one of three things… three? all of which are related to the\015\012screen in one way or another. This makes it even harder for me to\015\012diagnose as it’s not one of those ones where i can just try each one\015\012and hope it works as of the three our of two would require me to change\015\012out a part.. which costs money.
So the first thing i tried was the lid switch issue. Apparently the\015\012lid switch is prone to some kind of wear and tear, which after some\015\012time will completely die. The lid switch is the switch that turns of\015\012the screen when you close the laptop and when you open the laptop the\015\012screen should come back on. The solution for this is to disconnect the\015\012lid switch located roughly under the F8 key which you can see in this\015\012picture below circled in red:
\015\012dv2000_lid_switch_plug.jpg
Image credit
\015\012By unplugging the switch you disable the on/off mechanism for the\015\012backlight which is supposed to fix the dim screen issue. Unfortunately\015\012this didn’t fix it for me.
\015\012The next solution is to switch out the inverter board for a new one,\015\012which apparently is also prone to dying too. The inverter board is\015\012located under the screens protective plastic cover at the bottom in the\015\012middle. You can view it in the pictures below:
\015\012Inverter board:
hp_dv2000_inverter_board.jpg\015\012Right so i bought a new inverter board off ebay, the part arrived\015\012and i switched out the board and guess what? it didn’t fix the problem…\015\012Right, so at this point i was pretty frustrated and was gonna just give\015\012the laptop back to the customer and tell him to take it elsewhere. I\015\012considered trying the last of the three fixes and that was to switch\015\012out the CCFL tube which is an absolute pain to do. But i came across a\015\012better idea which was suggested by a friend of mine who also repairs laptops/computers\015\012for a living. He suggested to just change the entire screen. Genius!\015\012heh.. So i’ve told the customer that we’re changing the entire screen\015\012which will work out alot better for him in the long run anyway as the\015\012previously mentioned problems that occur on these badly made laptops\015\012will most likely happen at some point anyway. So changing the screen\015\012should hopefully God willing avoid those other issues for another\015\012couple of years or so."

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