Using a vacuum cleaner

JediLord259 · Jun 19, 2016

I have been using a vacuum cleaner all the time to clean my computer and I didn't have any problems, but I just read that it isn't safe since it generates static electricity, I use a plastic tube and I never touch the components while vacuuming so I was just wondering is there any danger of using a vacuum cleaner in my case and what to do after I finish vacuuming or before to remove any static electricity. And also I wanted to ask how can I clean the dust in my psu since my vacuum can't get to it, and it is not very safe to open up a power supply. Thx for the answer in advance

Mark RM · Jun 19, 2016

You can vac a PC just fine, leave it plugged in but powered off, touch the metal case with one hand and leave it there as you approach with the vac nozzle in the other. The grounding ensures no static will cause an issue.

I typically stick the vac nozzle on the back of the PSU where the hot air vents and blow compressed air onto the front to clean out a dusty PSU. If the PSU is out of the case I use my actual compressor.

When I say powered off I mean turn off the power switch on the PSU.

JediLord259 · Jun 19, 2016

Mark RM :

wait if I switch the switch on the power supply off that means the L1 and N are cut off but the grounded wire is not cut off and if any electricity would go to the motherboard it would automaticlly ground itself, if you know what I mean

Mark RM · Jun 19, 2016

no, the ground wire stays connected, the reason for touching the case is to ensure everything has the same charge, you, the vac nozzle and the PC. Static discharge is an equalization of potential . If it's already equalized there no issue.

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Using a vacuum cleaner

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