You may have knocked a wire loose.
You need to fix this straight away as you may short the mod or even worse blow the PS2.
Its possible but unlikely that the lazer was knocked out off alignment.
It would need a major wack to knock the lazer out.
Homer Simpson is a Role-Model for everyone!.
PS3 40GB, upgraded to 500gb w/ TRUE BLUE, Had original JB
PS2 v7 and v12, both with Authentic Matrix Infinitys,
Wii D2C, D2Ckey,
Nintendo DS Phat, Supercard DSTWO and DSONE,
Atari, Nes, Snes, GBA, PSone etc etc
I am Evil Homer, I am Evil Homer!