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In this post I explain how to remove screen inverter and replace LCD screen in a Compaq Presario m2000 laptop. It’s way easier to disassemble the laptop display panel when the display panel is separated from the laptop. You’ll find instructions for removing the display panel in my previous guide for Compaq Presario m2000 laptops, just follow steps 1,2,3,9,10. This guide might work for some other Compaq Presario laptops. If it works for you, please mention the laptop model in the comments below.
It is possible to remove the inverter and LCD screen while the display is still attached to the laptop but it will be harder to remove the screen bezel.
If the backlight in your laptop stopped working and the image on the screen is so dim that you can barely see it under bright light, most likely you have a failed inverter board. There is a good chance to fix the problem if you replace the inverter board.
If you replace the inverter board but the image is still dim, most likely there is a problem with the backlight lamp inside the LCD screen. If that’s the case, try replacing the LCD screen.
Before you start make sure the laptop is turned off and the battery is removed.
STEP 1.
There are six screws securing the screen bezel to the display cover. These screws are hidden under six rubber seals. You’ll have to remove these seals first.
Remove screw seals with a sharp object. These seals have a sticky bottom. You can glue them somewhere on the bezel so they don’t get lost.
STEP 2.
Insert your fingers between the LCD screen and bezel and start separating bezel from the cover.
Continue separating the screen bezel.
It might take some time to release the bezel from hinge covers. It will be even harder if the display is still attached to the laptop.
Finally, the screen bezel has been removed.
STEP 3.
The screen inverter is mounted below the LCD screen. There are no screws securing the inverter.
Remove the ivnerter board from the display assembly and disconnect cables on both ends of the inverter.
Now you can replace the inverter board with a new one if needed.
Need a new inverter board? Find it here.
STEP 4.
Let’s proceed to the LCD screen removal.
There are two screws securing the LCD screen to the mounting brackets. Remove two screws from each side.
Separate the LCD screen from the display cover.
Now you can access the back side of the LCD screen and disconnect the video cable.
Remove sticky tape securing the connection and uplug the video cable from the LCD screen connector.
Now you can remove the LCD screen and replace it with a new one if needed.
The best way to find a new replacement screen is searching by the LCD part number. In my laptop the part number is LP150X08 (A5)(N1).
You can find a new screen for you Compaq Presario m2000 laptop here for less than $100.
November 22nd, 2010 at 8:07 pm
I’ve got a M2010US laptop. The screen has about a 2 inch vertical band on the left that is darker than the rest of the screen. The line between the dark and normal part is very distinct. Would this be the backlight going out, as opposed to the inverter? I would think the inverter going out would cause the entire screen to be affected.
October 24th, 2010 at 12:20 am
Thank you. This helped me out 100% as this was my first attempt with a laptop and I was 100% successful. I cannot donate money but this will make the wife very happy, cheers.
October 18th, 2010 at 4:58 pm
I’ve been assuming the inverter part is correct. I bought it on eBay for $7 and they sent me two identical inverters. So at this point, I can’t assume anything. I don’t have known good test equipment. Have you ever heard of the problem I described in my last couple of posts being a bad inverter? What about the noise before the screen goes black. If I had to guess I’d say that noise comes from the gas in the backlight and it not getting enough power. So this means that the inverter is bad or something else that feeds the inverter. What is the power source that feeds the inverter?
October 17th, 2010 at 11:58 am
Curt,
If you getting the same problem with a few different inverters (I assume it’s the correct part), this could be defective LCD screen. Maybe it has a bad backlight lamp.
It’s very hard to troubleshoot backlight problems without known good test equipment.
October 17th, 2010 at 11:49 am
Curt,
The screen doesn’t turn on with the old inverter at all but it turns on for a while with the new inverter.
Maybe the new inverter is not compatible?
October 17th, 2010 at 11:45 am
Curt,
Could be inverter failure.
October 16th, 2010 at 4:03 pm
I just remembered that the vendor that sent me the new inverter actual sent two of these because the first one was lost for a while. I just tried the second new inverter and the same exact results as with the previous new inverter and new LCD screen. You get the high pitched whine and then the screen goes black.
I have left off both the keyboard and screen bezels for testing. Could this have something to do with it? The volume cable is plugged in and the keyboard bezel is just sitting on the front of the laptop. It’s not pressing on any buttons or sensors.
I’m not sure what I’m missing here.
October 16th, 2010 at 3:21 pm
Well my old inverter was even worse! The screen was black and never came on at all. This is back to where I started weeks ago. The new inverter was very inexpensive, about $7. The actual HP part was about $65. I wondering if the quality of the new inverter just isn’t there. I hate to pay another $65 for the HP one and find out that it’s something else.
October 16th, 2010 at 2:32 pm
Now I just replaced the LCD screen and it’s doing the same thing – screen going black after a couple of minutes except it’s making a high pitched whining sound before the screen goes black. Maybe the new inverter is bad. I’m going to try the old one. Any other ides? Cables or Power supply perhaps?
October 11th, 2010 at 11:33 am
Curt,
You are correct. If the screen still goes dim even after replacing the inverter board, most likely this is backlight lamp failure.
The backlight lamp mounted inside the LCD screen and very hard to replace.
When you have a failed backlight, I would suggest replacing the whole LCD screen.