Laptop keyboard freezes then entire laptop crashes

Oct 22, 2018
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I have this 4 year old Toshiba Satellite U840W that's keyboard would stop working after 5-10 minutes from boot up and the laptop being unable to find and connect to any wi-fi. I have no idea what to do asides forcibly restarting my laptop. and seldomly it would freeze up and get a bsod, If I remember correctly the error code was CDP something WATCHDOG VIOLATION. and an extra thing I don't know if it's important but the battery would be shown fully charged and plugged whilst it isn't. What can I do? it's been driving me crazy
 
For the error message... http://www.tomshardware.com/faq/id-3128566/fix-windows-error-dpc-watchdog-violation.html

For the keyboard...

NOTE: If you need to type in a password to even get into Windows to do the following, make sure you attached an external keyboard first, to get past the password. Then disconnect the external keyboard and try the following...

1. Uninstall the keyboard driver.
2. Reboot the computer (without reinstalling the driver).
3. When it restarts, it should reinstall the driver on its own.

If this doesn't work, you may wish to try connecting/reconnecting an external keyboard and see if it works fine. If it does, then it could be the keys themselves that are the issue.

Additionally, if your device uses one, you may want to try updating the Synaptics Driver if the above doesn't help.

You may also want to check the device for malware, viruses, etc., which can interfere with normal operation.
 
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