Shift button not working

[lodigaming71]

Hi,

My shift button is not working my sticky keys are off, driver updated......
It starts with i installing a just cause 2 mods and my brother plays it for 5 hours......
Any help will be appreciated
(I using a ps/2)

Sorry for my bad english

 

[rgd1101]

MERGED QUESTION
Question from lodigaming71 : "Shift button nor working"

Hi,

My shift button is not working, i've tried many solutions but still, the problem is start when my brother uses it for gaming for 5 hours.
Plz help me........

P.S i use a ps/2 keyboard

 

[rgd1101]

try another keyboard?
ran any malware scan?

 

[Doctor Rob]

try the other shift key...

 

[lodigaming71]

There is no malware and the other shift is the same

 

[lodigaming71]

Can it not working because my keyboard is old (i'm using it from 2004)