Steenamaroo
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If the fan's noisy and it wasn't always then it's either faulty or your temperatures are higher than they used to be.
Both are plausible.
Inspect all fans for dust (in/out/cpu/psu/gpu). If you see any, give them a dust with a soft brush and a vac.
Check between the fins of any heatsinks, too.
If it all looks pretty clean, bog standard fan replacement is probably in order.
Usually they're removable without removing the heatsink but a model number or pics would be good to know for sure.
Some are unique to the heatsink; Some have custom mounts for generic fans.
Also
Both are plausible.
Inspect all fans for dust (in/out/cpu/psu/gpu). If you see any, give them a dust with a soft brush and a vac.
Check between the fins of any heatsinks, too.
If it all looks pretty clean, bog standard fan replacement is probably in order.
Usually they're removable without removing the heatsink but a model number or pics would be good to know for sure.
Some are unique to the heatsink; Some have custom mounts for generic fans.
Also