Question suddenly water cooler is so loud and fast! and low fps on some games

[JMoriarty]

The water cooler suddenly started working very loudly, never before. It was so loud that I heard a voice from another room, nothing was turned on. Also, the other day my brother was playing and told me that suddenly the fps dropped sharply. Now when I start this game (World of Tanks) it fluctuates around 90-100 fps, while it was 200-240 before. The strange thing is that forza 5 (offline version) still works without any problems
The cooler is: ek aio 360 mm radiator
Other specs are:

• Intel core i9 10900
• tuf RX6700XT 12gb
• msi z490-A pro
• 32 gb night hawk
• 2 TB Samsung SSD

I think it might be some virus (I plan to reinstall Windows) but in the worst case what could cause such a problem. If you can tell me what to check, could it be a problem with the processor or directly with the cooler or what could be causing the problem??
Thanks in advance

 

[JMoriarty]

The water cooler suddenly started working very loudly, never before. It was so loud that I heard a voice from another room, nothing was turned on. Also, the other day my brother was playing and told me that suddenly the fps dropped sharply. Now when I start this game (World of Tanks) it fluctuates around 90-100 fps, while it was 200-240 before. The strange thing is that forza 5 (offline version) still works without any problems
The cooler is: ek aio 360 mm radiator
Other specs are:

• Intel core i9 10900
• tuf RX6700XT 12gb
• msi z490-A pro
• 32 gb night hawk
• 2 TB Samsung SSD

I think it might be some virus (I plan to reinstall Windows) but in the worst case what could cause such a problem. If you can tell me what to check, could it be a problem with the processor or directly with the cooler or what could be causing the problem??
Thanks in advance

 

[geofelt]

I might suspect that your cooler has started to fail.
They do not last forever.
Air may intrude through the tubes or the mechanical pump can fail or get clogged.

If the processor reaches 100c. it will throttle and you may lose performance.