Problem in my laptop

I got a unusual problem in my laptop ACER 4710 Z  yesterday. When i press J key i get printed as 1. Like this there was many mismatch of the keys. I tried to google in different forums and blogs. Atlast i got a result.

Press Fn Key and NumLock key once.

When i tried this combination, my keyboard was working fine.

I still have a problem in my laptop screen. Sometimes the display will flicker for 3-5 minutes after switching on the laptop. Then it will be ok. Im googling what is the reason for this….

Long live ACER 4710Z.

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