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Loud humming from U55

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Post time 2020-04-18 19:34:09 | Show all posts |Read mode
Hi all.

I've got a new U55.  When on any solid surface, it makes a loud vibration sound.  I've tried taking the lid off and checking all screws are secure.  I can't account for the loud noise.  Note, it does this even when not under any load, e.g. no users logged in, no services doing any work.  Any ideas?
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Post time 2020-04-21 10:57:35 | Show all posts
Maybe something is stuck in the cooling fan,this may be a hardware problem, please contact the seller to replace it in time
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