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Possible causes :
1, The most common problem is foreign debris interferring with the momentary contact switches on the keyboard. (95% of the time)
2. The next most common problem is the keys are just worn out but this would be rare since other keys would likely be affected
3. Keyboard membrane underneath is damaged and interfering with reliable contact
A. First, you can try a can of air to blow the debris out and then vacuum the keyboard and all grill openings in the laptop.
B. Second, buy a bottle of 99% Isopropyl Alcohol and with the power adapter detached and the battery removed you can flood the area with alcohol to clean underneath and let it dry overnight. I use alcohol as it cuts the greasy junk whereas water will not and water takes a lot longer to dry out. (Hair dryers will speed it up)
If this is not helpful then the laptop case needs to be opened and the keyboard assembly inspected for damaged switches.
This assumes you have checked the software driver for the keyboard and it is functioning normal otherwise.
on May 18, 2014
Bt sport app
Lenovos don't like some updates, I've heard this one before with BT spportapp. android or windows, the answer is the same, undo the last update. only update manually. you choose what you want, not them, they just fill some updates with ads and junk.
In android, just go to manage apps and select troublesome app click it and select undo last update. in windows, goto update manager and rightclick on the update to undo or roll back.
hope this helps Red
on Apr 11, 2014
Btsport android app
goto settings - apps - manage apps -btsport(or whatever it is) - uninstall previous update. that should do the trick. don\'t be fooled, not all updates improve things. I set all my devices to manual update and only do the ones "I" think need a tweak. Google chrome for instance, that update ruins some devices, lenovo yoga 8 hates it. It took me sometime to find out what the problem was , but there it was, an update. Pass the word... not all updates work, they don\'t tell you that do they ? good luck Red
on Apr 04, 2014
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