I moved the tower to the side so I could take a look through the window and inspect....sounded like it was coming from the front and not the PSU like I thought so I took the side panel off and noticed A SPIDER BANGING AGAINST THE 200MM INTAKE!!!.
I grabbed the closest thing I had (a block of post it notes
) and attempted to stab it but it just crept closer to the fan behind one of the pillars (see pic below) so it was hard to grab/squash. I ran downstairs faster than a Neutron so it didn't have time to hide hide, grabbed the vacuum and sucked that mother right up before I even ran down stairs 
It also gave me an excuse to de-dust the innards and filters as it was the time of the month but damn...I never once expected a grown spider to be able to squeeze inside there...it must have gotten in through the underside as the 650D has some holes for screws and brackets that are just large enough for a bug to get in so I also patched those up with black electrical tape.
The bugger must have been there a while, I notced lines of web sprawling from the GFX card, down the power connector to the HDD cage then ending at the intake fan.
I grabbed the closest thing I had (a block of post it notes


It also gave me an excuse to de-dust the innards and filters as it was the time of the month but damn...I never once expected a grown spider to be able to squeeze inside there...it must have gotten in through the underside as the 650D has some holes for screws and brackets that are just large enough for a bug to get in so I also patched those up with black electrical tape.
The bugger must have been there a while, I notced lines of web sprawling from the GFX card, down the power connector to the HDD cage then ending at the intake fan.
