why does my at button not working

[Android Central Question]

On my laptop sift and at butten not workin

 

[Rukbat]

On a laptop? It could be broken switches under the keys. It could be a broken keyboard. It will have to go into a repair shop for diagnosis.

 

[B. Diddy]

Welcome to Android Central! Also, keep in mind that this is an Android forum, so there are probably better places to post about issues with your laptop.