I have a Zbook 17 G6 mobile workstation that I bought less than 3 months ago.
Been using it actively for a month.
Had issues previously with a high frequency buzz coming from the machine that only stopped when the accumulator was removed. Even when the machine was shut off and not connected to a wall socket, with a fully charged accumulator it wasn't silent. Possible capacitor squeal?
Went with it to the local hp support and they put a new motherboard in it with/by guarantee -it got quiter but the issue still remains.
However this one seems new:
the workstation is equipped with a backlit keyboard and when not typing for a few seconds,
the lighting stops. Once there is no backlit, about 30 seconds and a high frequency buzzing sound appears.
It only stops when a key is pressed/keyboard is lit up again.
Came across this post today and wanted to add I'm having a similar issue:
Normally, the computer storage drives are quiet and steady, but in case of any physical damages or logical corruption, they can begin to make noise. There are number of different hard drive clicking sounds with different reasons. Some type of clicking noise are due to software or driver issues, some of them due to hardware issues, and sometimes due to mechanical faults of the drive.
Most of the times there are 4 probable causes for clicking noise of a hard drive:
1. The insufficient power supply is a very common cause of noise in the hard drive. It mostly happens when you have connected multiple devices (including the HDD) to a single port. 2. Physical depreciation of the hard drive which results from either simple issues or damage such as a physical shock or trauma. 3. A hard drive may be failed due to the faulty data cables, or incorrect drivers installed. 4. A crashed hard drive.
Subsequent fixes people have used to overcome the issue are:
1. Check whether the hard drive is getting enough power or not. You can do it by plugging the power adapter directly into the power supply. 2. Replace the data cable with the new one and turn on the drive. Now, if it does not make any noise, then the data cable might be faulty. 3. In case the drive still makes noises, then there is a high possibility the drive is failing and needs to be replaced.
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