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Posted 08 September 2014 - 10:09 AM
It appears as though you have a stuck - key. You can tap firmly a few times on both the - key near the 0 and the - key near the * and + key (if you have the 9 key portion of the keyboard). Tap the - keys several times and see if it stops. If it does not, you could rule out a software related issue by booting to linux mint and seeing if the problem persists there: http://www.linuxmint.com/download.php
Download mint and burn to a disc, then boot to the disc. If the - key problem is persistent in a linux boot-able environment, the keyboard is likely bad so replacing it should solve the problem.
Edited by zingo156, 08 September 2014 - 10:21 AM.
Posted 08 September 2014 - 10:16 AM
You can try to pop the - key off and see if you can clean behind it but most of the time you won't be able to get the keyboard - key back on because the are prone to breaking. New laptop keyboards usually run less than $20. on EBay
Posted 08 September 2014 - 11:01 AM
It's either stuck or the lead in the board has failed. Worse case is you need a new keyboard.
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