Facing a strange problem

[Ralf Mardorf]

>On Wed, 17 Aug 2016 19:11:10 +0000, Manish Jain wrote:
>> I recently upgraded my motherboard, CPU and DDR RAM because the
>> previous hardware was making a lot of high-pitched noise. After
>> installing the new MB + CPU + CPU fan RAM, the high-pitched noise
>> (which resembles a bad bearing turning furiously) has not gone away.

The noise is not more probably caused by a CRT?

Regards,
Ralf