Hello guys,
I have recently built my new computer with the following hardware:
The motherboard has a Realtek ALC1150 audio chip.
The problem I am having is that just after any OS boots up, I can hear electronic noise and eventually some pop when using my headset.
When I move the mouse I can hear some squealing noise added to the static noise, and when I change applications I can hear the pops.
If I connect the headset to the front panel connectors, I can't hear any noise, but for some reason the mic does not work, even with the maximum mic boost, it's almost impossible to hear what I say when connecting the mic to the front panel.
What I have tried so far:
- Clean OS reinstall
- BIOS update
- Driver updates
- Ubuntu Linux Live Disk
- Muting all audio sources but audio out and mic in
- Running the system outside of the case (just the motherboard on a cardboard piece from the motherboard box) and with a different PSU (Corsair TX750)
- Running the system without the graphics card
None of all what I have tried gave me any noise reduction.
The only thing that noticeably reduced the noise was the following:
- Disabling Intel EIST
- Disabling C1E, C3, C5, C7, C9 (all C states)
- Setting the CPU VCore fixed to 1.280V
After doing those changes almost all noise is gone, but I can hear some faint squealing when moving the mouse.
Cons for this: CPU always running at 4 Ghz increasing temperatures a bit and possibly reducing the CPU life.
I would like to know what may be the cause of this noise, and if it's a good reason to RMA the motherboard, or if I will possibly encounter the same issue with a replacement motherboard.
EDIT: I was able to record the noise and attached it so you can hear the nose I am talking about.
Thank you!
ruidos-realtek.m4a