I have an ideapad gaming 3 15imh05 here that has an intermittant issue with audio. The device will dissapear from device manager randomly. Most of the time it does not work. I have tested the continuity of the SDATA_IN, HDA_SDOUT_AUDIO, HDA_BITCLK_AUDIO, and HDA_SYNC_AUDIO, all to the pch (or the resistors near it), and all lines are good. They have no voltage though ( I have not been able to test when it's working). HDA_RST# from the pch only goes to a capactor to ground and that's it, so it's not used. What other lines should I check? What lines ares used to detect the device?
Thanks in advance!
Thanks in advance!