The reason I think it might be plausible is that when the desktop comes up, the icons in the Taskbar for Speakers and Network take a second to change. The Network icon shows no connection - until it connects - then shows the normal wired network icon.
The speakers icon starts with 3 "sound...
I would suggest leaving the case ventilation alone - leave it exhausting out the back as designed - and work on moving hot air out of the cabinet and into the room.
It's hard to tell what would work/look best without seeing the actual setup, but something like two 140mm fans mounted high in the...
Well changing the startup sound will be fun, but first I've got to get it to work on this PC.
After that one time on restart it now is not playing. It's very random.
My other PC it plays on both cold start and restart every time.
OK. So this is interesting.
If I start the PC from dead OFF - no startup sound.
But if I restart the PC - I get a startup sound. (That's probably where I heard it before).
:D Yeah, that's where I "hit the wall" too!
But I might still give it a go later this weekend. Right now my boss is giving me the stink eye for not working. (I am the boss!)
While writing these posts I opened the entire Windows\Media folder in Winamp and played them listening for the W11 Windows Startup sound to play.
It is not in there.
BTW- there are a couple of interesting little tunes in there that are minutes long.
This article here:
https://windowsreport.com/windows-11-change-startup-sound/
is a very thorough description of the process to change the startup sound.
But not for me.
I do not have a Windows Logon sound option in CP>Sound>Sounds (probably because I don't log on to windows).
Plus, if I play...
I have the file with the Windows 7 startup sound right here ready to go.
I even have the Windows 98 startup sound - the one by Brian Eno - but while that one is cool it is kinda long.