If you're handy, take the fan out and disassemble it and clean and
lube the shaft and bearings; this should clear up the noise.

On 4 Jun 2005 07:35:05 -0700, wrote:

I picked up a used hk560. Everything works great but the noise from
the cooling fan is a little loud. Is it normal? Can I lube it? Do I
have to replace it?