'G' key is sucked on HP DV4450ea (extended ver. of dv4000) laptop keyboard, it continuously pressed. removed the key & tried to fix it, but still the same, 1.Is it hardware problem or software, if Hardware, can kindly tell me how remove the keyboard, if Software how do I fix the problem. Thanks - Gihan
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When a keyboard stops working, has odd key letters, stuck keys and non-functioning keys for no reason at all, the laptop may have an easy fix solution. However, if liquid spilled on the laptop or the laptop was dropped and as, a consequence, the keyboard doesn't work, or the keyboard device has simply failed, fixing the problem may require a more involved laptop keyboard replacement.
Click start control panel keyboard hardware make sure you have the right keyboard selected or you might have uninstall the keyboard then restart your computer then reinstall it and its drivers Click start control panel administrative tools computer management device manager scroll to keyboard you might see a yellow question /exclamation mark ? ! or a red X right click update driver if your computer came with a motherboard disk the drivers could be on it. If its still not working Tap the "Alt" and "Shift" keys simultaneously if you are pressing one keyboard key and getting a different symbol or letter. This will reset the keyboard defaults on some laptops. Press the "Ctrl" key and tap the "Shift" key simultaneously if the procedure in Step 1 did not work. Press the "Fn" and one of the "F" keys to disable the "Num Lock." Different laptops use different "F" keys to disable the "Num Lock." Toggle each "F" key and press the "Fn" key at the same time to find the right key combination. Check your laptop manual to find the right key combination. Press the "Fn" key and the blue "NumLock" key simultaneously if the keyboard is typing numbers instead of letters or wrong letter keys and the above steps did not solve the problem. b> Keyboard Maintenance b> Blow compressed air in the cracks and crevices of the laptop keyboard. Sometimes dust and debris can cause keys to lock, making such keys non-functional. Disconnect the laptop from the power outlet and remove the battery. Make the tip of a cotton swab as thin as possible by rolling it between your finger tips. Dip the thinned cotton swab in rubbing alcohol and clean the crevices of the keyboard with the cotton swab. Continue cleaning between each key of the keyboard with the alcohol-dipped cotton swab. Use a new cotton swab whenever necessary. Slightly tip up one side of the laptop so dust will move from under the keys to the crevices so you can clean. Blow compressed air into the keyboard again as you did in Step 1 of Section 2. Reconnect the computer to the power and check to see if the issue is resolved. Insert the flat edge of a flat-blade precision screwdriver under a keyboard key and gently pry it up and off. Remember where the keys go, so you can easily replace them. Remove three keys at a time and clean with a cotton swab dipped in alcohol. Replace the keys and remove the next three. Do this until the entire keyboard has been cleaned. Disconnect the laptop from the power outlet and remove the battery again. Turn the computer so the rear is facing you. Remove the screws that hold the plastic hinges in place. Insert a small flat-blade precision screwdriver in the plastic hinge seam and pry the hinges up. Turn the computer back face forward and open the screen as far back as it will go. Continue lifting the plastic hinge and power plate until it comes off. Remove the screws you see holding the keyboard with a precision Phillips screwdriver. Blow compressed air under the keyboard. Lift the cable connector levers slightly and remove the data cable. Clean the cable pins with an alcohol-dipped cotton swab. Replace everything, power on the computer and try the keyboard again to see if the issue is resolved. b> Keyboard Replacement b> Connect an external keyboard to the USB port on the laptop and verify its working condition. Disconnect the external keyboard and verify that the keys on the laptop are still inoperable. Disconnect the laptop from the power outlet and remove the battery. Remove the laptop keyboard as you did in Step 3 of Section 2 by removing the plastic hinge and power button plate, the keyboard screws and disconnecting the data cable from the motherboard connector. Replace the keyboard with a new laptop keyboard for your laptop make and model.
Could of spilled something on the keyboard or there are some tiny objects that fell in under the keys that make the keys not respond. If that does not work, please let us know more about the buttons. ie: The button wiggles a lil or the button does not feel like the others when pressed. If you are comfortable with this. Try taking the button from the laptop and inspect whats under it. Also let us know if all the buttons stopped all at once or did it start with one and followed by with the rest that are not working. Thanks for reading and I hope you get the problem fixed =)
My name is ArmyMason, here is a link for you to purchase a new keyboard from. ($24.88) http://www.papatek.com/HP-Keyboard/HP-Pavilion-DV4000-keyboard.html Only other solution to this is to try and reseat the ribbon cable into the motherboard and see if that resolves the issue.
Reinstall all drivers for your laptop from the HP.Com website. If the function keys still don't work, you may have a defective keyboard.
Turn the laptop off, then take the laptop keyboard off (usually takes 1 screw - bottom of case, and a few sliders, top of keyboard). And then there will be a couple of thin cables which are connected to the motherboard. There is a sliding connector which holds these on. Push this up, slide the cable in, puch it back down. Do for both cables if you have 2 (keyboard and tracking pad/pointing stick). Reinstall keyboard and try it out.
If that doesn't fix it, replace the keyboard with one from ebay.
Try reseating the cable that connects the keyboard first.
If that doesnt help there may be liquid around the connector and it needs to be cleaned off to keep the circuit from shorting out. You will need to find someone with the appropriate chemicals and may have to take the laptop further apart to clean it all up.
This is why when anyone gets a liquid spill i recommend getting it torn down right away and cleaned up, as it can damage things you cant even see. If the liquid has been in there too long it may not be repairable.
If the keys are not responsive, then you will need to replace the laptop. Your laptop manufacturer should be able to sell you a replacement part as well as instructions on replacing it.
In the mean time, you can plug in a regular keyboard to the laptop to get full keyboard functionality.