In terms of static, how safe is it to clean inside a home PC by using
a vacuum cleaner?

Some people like this website suggest that it is unwise.
http://www.dansdata.com/sbs3.htm

If my PC is switched off but remains earthed (to the mains earth) and
I am careful not to do physical damage to the PC with my home vacuum
cleaner, then surely there is no problem with static?

Am I overlooking something?

Sammo

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