I have a nice little window fan that I've had for years, but last time I pulled it out it started blanking my monitor when I flip it on. I've assumed that this

I have a nice little window fan that I've had for years, but last time I pulled it out it started blanking my monitor when I flip it on. I've assumed that this is some sort of ESD issue, but I don't have any great ideas on how to troubleshoot or resolve it.