Question about Toshiba Satellite L55-A5234 Laptop, Up to 3.4GHz Intel Core i7-4700MQ Processor

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Keyboard Issues with the Satellite/L55-A Notebooks keys are either delayed or input missing completely. I opened, removed and changed the keyboard itself and everything work fine until I turn off t

I opened, removed and changed the keyboard itself and everything work fine until I turn off the laptop. Then things started to get worse while more and keys stop working. sometimes some keys will work back again while other go bad. Did several scan, kasperski, essat, malewarebytes, glarysoft, adwcleaner... nothing works. Using win8.1 works well no problem. I used the prey program and some antilog also. Does anyone have a solution that will fix it for good?

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  • il12 Dec 05, 2014

    I removed the keyboard again and cleaned the ribbon and the connector where the ribbon seats,made sure the ribbon is well seated and tight inside the connector. Everything works well.

    I did not have to reinstall windows and neither was a virus or hacker problem.

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SOURCE: Toshiba Laptop Keyboard Malfunction

If you boot a XP cd and select repair will it let you type?

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SOURCE: Keyboard not responding or typing random letters

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I had the same problem for my laptop as well. I basically turned it off and removed the battery for ten minutes, then put it back in and turned it on to which it started working. I don't know why it stopped working before or started to work again when I removed the battery but it's happened three times and everytime that has always worked for me. I know it's not very technical but try it.

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SOURCE: toshiba satellite a215-s5837 keyboard does not work

Yes, replace entire thing. It's really a membrane key anyway. NO contact to clean..

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The number keys to the right will not work, even after pressing number lock. suggestions?


Please open Device Manager and uninstall what is showing under "Keyboards". If you're unsure on how to perform these steps, follow this link:http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&dlc=en&docname=c03540049&lc=en&product=5450010&tmp...
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  • If the keyboard is not working in Windows, continue with these steps to uninstall and reinstall the keyboard software in Device Manager.
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  • Click Hardware and Sound.
  • Click Device Manager under Devices and Printers.

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    If there is a short delay from the time a key is pressed to the time the character displays on the screen, the Filter Keys function might be activated. The Filter Keys function provides a greater range of key press options to fine-tune key delays and prevent inadvertent key presses. To disable Filter Keys and return to the default keyboard behavior, use the following steps:
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      c01311984.jpg
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