Originally Posted by
KeithOKC
Sorry be the bearer of bad news, but very likely your friend bought a cheapo laser if he got it off eBay (less than $4k). If so, your best bet is to throw it away and buy a decent laser. Even if you get it up and going it's going to break again in quick order and you'll be out even more time and money. Those cheapo ebay lasers are money/time pits. Chalk the loss up to a learning mistake. When it sounds too good to be true it is. (wedge) eBay is littered with junk lasers. Decent lasers start around $6k for a Chinese laser (including all import fees) or $12k for a small USA/UK laser.