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Re: dv 2000 screen problem
So the screen is still dark.
see if the video card is putting out a signal. by connecting an external monitor and select function monitor to send signal to it., and take a bright light and hold at angle to view lcd screen do you see the desktop dimly.
you may have the rare case of the power/socket to the inverter is not working though I have never seen that in over a hundred laptop repairs.
be certain that the new inverter is not bad , seems more likely that it may be bad.. check that inverter has a gnd and 12volts ~ going to it .
here is a decent explanation of an inverter circuit troubleshooting its a doc file. http://support.advantech.com.tw/support/DownloadFile.aspx?File_Id=1-ZZLO
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i would off said inverter but if you have done it 3 times as long as its the right inverters its not that,not sure but i would check your onboard graphics,or a lose wire going to the inverter.
somthing does not sound right.
Replace or repair the motherboard is your only option if no picture is given on an external monitor by pressing the correct Fn + other key usually F5 to extend the display to another screen.If your laptop boots to windows and makes logon sound the display panel,cable or inverter if not an LED panel are faulty.If it is the inverter shining a torch across the screen at an angle should reveal unlit activity on the screen.The rest is hit and miss,checking that the cable is attached correctly and not damaged first.The dv2000 is a very complex laptop to work on,if you are a novice in repairs it would be best to sell it and buy another.Many important parts and components can be damaged/broken if not experienced in laptop repair.
the inverter is a small component behind the screen it regulates the display it is common that they fail regarding cost then you might be best looking on various sites for a comparison they are relatively easy to replace
Sorry mate, first of all for Laptops it is not easy for anyone to fix the cracked screen. they need special tools to fix them. The inverter is the battery that you will have to checked. If it is old enough to get changed do that at first priority and everything should be up and running
When you have a faint image, it means that the backlights are not turning on, most of the time, its the inverter not supplying power to the lights. My suggestion is to take a volt meter and test the voltage going to the inverter. I can not tell you what it should be, but you should have voltage more than 5 volts going to it. Its very possible that if you changed the inverter and the screen, that the main board is not supplying enough power.