I can't guess what support system you have or none. If none, that would be sad to read but when these fail or hiccup the support is called and then support either fixes it or arranges for repair.
Anyone here use a smartboard. Can't get the eraser to work. Tried blowing out the dust from where the eraser sits but no luck. Thanks.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic