For those of you who watch Adrian Black on YouTube, you might remember him angrily tearing out RF shielding from the older computers.
On the other hand, I have been struggling to get my IP KVM at home working and it turned out that the cause of its failure was some cheap PoE extractors that spew noise across the spectrum, especially interfering with VGA sync.
Modern equipment, assuming you aren't buying bargain-basement AliExpress junk (which I do, from time to time) is surprisingly good at RF rejection.
On the other hand, I have been struggling to get my IP KVM at home working and it turned out that the cause of its failure was some cheap PoE extractors that spew noise across the spectrum, especially interfering with VGA sync.
Modern equipment, assuming you aren't buying bargain-basement AliExpress junk (which I do, from time to time) is surprisingly good at RF rejection.
And, amusingly, this just popped up on Twitter: https://x.com/hakluke/status/1980479234159398989