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boxikg
Fanfold Paper
Posts: 3
Registered: ‎01-19-2017
Location: RS
Views: 171
Message 1 of 1

ThinkPad T540p cracking sound

Hi to everyone. At work I have Lenovo ThinkPad T540p (Intel(R) Core(TM) i5-4200M, 8 GB DDR3, SanDisk Ultra II 480GB SSD). Yesterday I heard very short "cracking sound", coming from upper right corner where power button is located, while I was restarting laptop. Unfortunately the same sound can be heard when I am turning on my laptop or even after signing out/signing in. Today I heard it having put my USB stick in USB slot. This morning I updated all my drivers via Lenovo support site and even BIOS was flashed too but to no avail.

 

Laptop is functioning very, very well but this sound is so annoying thereby solving this problem would be great news. Can someone help me?

 

Thank you in advance for your help ...

 

NOTE: When optical drive is open everything is OK - there is no cracking sound.

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