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Re: Dell inspiron 1300 laptop
There are individual tiny switches under each letter. When the letter is pressed it sends an electrical signal to the keyboard controller and the CPU to register which key was pressed. Liquid under the keys will short out the switch so it does not send out the signal any longer. You need to get it repaired by the manufacturer or local PC repair shop.
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There are some circuits malfunktion in your keyboard.
Try to connect and external keyboard and you will see that the external keyboard works fine.
This way you can continue using your computer,
and continue writing,untill you get a replacement keyboard.
You need to replace the keyboard.
Hope this helped you to continue using your computer.
If you were helped. Please vote!
ensure no liquid has spilled on it. remove keyboard (should be perhaps a screw on the bottom to undo, as well as clips around the keyboard on top, slightly hidden... search for "how to remove keyboard" on your model) -be very careful as the cable connecting the KB to computer can be fragile. Now try removing and then re-connecting the cable.
Probably none of this will fix it (if the KB wasn't wet and then dried now, by a miracle ;) and you will be able to find a very good price for a used, or new, KB online! ..for the time-being, use an external KB.
only two possibilities, first is the rocker springs at each end or the bar are causingit to not make contact. or the bubble switches under the keyboard. I had a similar problem on an inspiron 6400 and I had to VERY CAREFULLY remove the keyboard,then the button to reach the bubble switch which had lost the plastic bushing that covered the shorting contact, good luck given the insane price that dell wanted for a new keyboard fixing it myself was the option.