Question about HP Compaq Presario R4000 Notebook

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Presario R4000 Keyboard removal

I have a small computer repair shop next to a large University, so I'm pretty familiar with Laptop repair. I an attempting to replace a keyboard on a Presario R4000 notebook. The problem is, I can't find how to remove the old one. I have the "control panel" off, all the screws out and the panel is loose in all areas except the very center where the power button is. Something is holding it there and of course, I don't want to force it and damage the plastic panel. Any suggestions will be appreciated!

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  • Chuck Musky
    Chuck Musky Nov 02, 2006

    Thank you for the response,

    It might be, although I don't see any. I am having problems with getting the "bezel" off so that I can get to the keyboard screws. The Bezel unscrews from underneath the laptop, and I have all the screws out but the plastic bezel is still attached somehow at the middle.

  • ctmom Mar 17, 2008

    A similar problem: Bought new keyboard to replace damaged one in Compaq Presario R3000 and can't figure out how to remove old keyboard. Saw a post online that said it was simply one screw in the middle of the back and some locking clips behind the function keys but didn't want to force anything. Any help would be appreciated.

  • manderlyh Feb 21, 2009

    I cannot get the keyboard cover to release about where the word "Presario" is--near the wireless internet button.

    I also don't want to ruin my computer! Help!


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The R4000 series bezel has a tiny tab on the bottom (keyboard) edge in the middle. You need to release the bezel from the hinge covers and pull/push towards the keyboard. this will release the tab.
Michael Neill

Posted on Nov 21, 2007

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Is this one of the keyboards that has the little plastic tabs that are springloaded holding it in at the top?

Posted on Nov 02, 2006

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Replacing the keyboard


your only supposed to pull the hinge out carefully a small amount so the flex cable comes loose, then insert the new keyboards connector there and push them back into place. Its pretty much the same thing in all brands of laptops.

if you have broken the connector, you will probably be looking at buying a new motherboard unless you find someone to replace the broken connector.

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The first, which is more common on desktop computers than laptop computers, is a thermal problem. The video chipset is overheating and causing a shutdown of the video. It is possible that this overheating is actually the cpu, but I don't think so, based on your description.

The second is the video power inverter chip. The power needed to keep the lcd screen lit up on a laptop is considerably more than what is needed to run the laptop itself. For this reason, a small power inverter chip is installed on laptops. It is usually found under the plastic bezal that surrounds the screen, and usually on the bottom. When this chip goes bad, the symptoms are as you have described.

Here's a couple things you can do before seeing a technician or teaching yourself to take apart your laptop. Plug in a different monitor; an external monitor and restart your computer. You should have a function option that will let you see two monitors at once. (that's the fn key, usually in the lower left of your keyboard). With two monitors showing exactly the same pictures, see if you can recreate your symptom.

If the problem is in the power inverter chip, the external monitor should remain on when the lcd monitor goes black.

If the problem is inside your computer (video or cpu overheating) then both monitors will go off.

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KEYBOARD DRIVER FOR COMPAQ R4000


There is no driver from Compaq because it just uses a standard driver from the operating system.

Try removing the keyboard from the device manager.

Then restarting the computer.

Let me know what happens.

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Need to replace screen on presario r4000. do I remove bezel and 'POP' screen out ? is it that easy? thanks Ty


it's not safe to do that alone.
It's LCD, you must not touch it.

It's impossible to replace alone.
If your laptop still under warranty, send back to the warranty.
They will replace it for it.

If not, send to any computer shop, they will know how to repair it.
LCD is different with a normal monitor, you shouldn't touch anything on it. It's very sensitive.


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that happens to me all the time too. it will randomly shut off and i wont be able to get it on again till a day or two later

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