Keyboard acting weird , shortkey light on '9'

[zasterguava]

note; using on-screen keyboard

a '9' with a padlock round it is lit up (next to capslock symbol) on my laptop. It is makin certai letters come up as numbers. have shut down computer still the same. i dont know wat v shortkey is. what do i do/? ty

[zasterguava]

note- dell inspirion 1501

[zasterguava]

pressed aload of random numbers and its now back to normal. hopefuly it doesnt happen again"

[erbbysam]

you hit the numberlock key