Bubble noise

I have recently purchased a cooler master 240 AIO, its on my 7700k. Now the temperatures are fine, idles at around 28c and never seen above 75c so im happy with that, its when i start the pc after its been off for a while i get a bubbling noise for around 30seconds to a minute but then the noise...

Hi, I have a water cooler that has a bubbling sound at works some times on load (usually 1 or 2 times per hour). May i know is it normal or there is problem with that? Thanks

Hello, I have been using this Cool Master ML240L for 18 months and since some days it has become very noisy. Noise of little bubbles inside the pump. I don't know why it happened suddenly, the PC has not been open nor moved at all. If I tilt the tower on a side, the sound stops, than it comes...

So far i'm having a blast with my new nintendo 3ds xl but i've noticed one thing, i dunno is this normal or is this a defect but my screen wobbles like it's lose, in the middle. When you open the screen and shake the whole nintendo the screen like moves around. I found a video...