Lenovo Tablets & eReaders - Page 3 - Recent Questions, Troubleshooting & Support

Google this situation - I know that Lenovo laptops are guilty of doing just this and there is a way of bringing them back to life with certain key strokes. Might be applicable also to your tablet

you might need to replace the backlight on the screen, the CCFL has burnt up like normal fluorescent light does after a few years of continuous use. Lenovo Tablet Repair

Try a baking soda paste.

Check the volume level control. On mute? Try re installing audio driver.

Hi, I think its under warranty/guaranty, why are you not just try to Lenovo Customer care number instead rambling here and there.ThanksJohnMobile No.: +1 (844) 355-5111 (Toll-Free)

Then the screen has failed, though that would be obvious.

A Screen replacement doesn't change any settings on the tablet. What settings need changing?

It's an sd card! You could use a card reader connect it to your pc then insert the sd card you could then plug the FD and copy the file!

*THIS WILL ERASE DATA*
http://www.hardreset.info/devices/lenovo/lenovo-ideapad-k1/

There isn't a reset button. If you could explain why you need one, we might be able to solve your problem.