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Posted

Hi,

 

In one of our science rooms, we've just been called down to find a promethean board dead. It worked before the class was using a van der graaf generator apparently. Its a new ish board (eg 6 months) that only connects to a laptop USB. No light on the board, no USB insertion noise, etc. The generator was also apparently affecting the projector, making it go 'flickery'.

 

Any thoughts?

 

Meldrew

Posted
Seems possible as the static electricity could have jumped some contacts and blown an internal fuse in the PSU hence no power, when I was in secondary skl the teacher busted a Netgear Metal Access point that was on the roof with a VanDerGraaf the NM was not so happy and had a bit of a :rant:
Posted
Can a van der graaf generator kill a promethean board? Definately. It's very low current, but you are likely to have a few KV knocking around. Smartboards aren't build for that kind of abuse!

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