Hardware Thread, Front Panel Audio in Technical; I've had a report of a faulty computer in a suite that is working perfectly except the front audio simply ...
14th January 2010, 07:12 PM #1
Front Panel Audio
I've had a report of a faulty computer in a suite that is working perfectly except the front audio simply will not recognise devices (the driver for this board "helpfully" asks you what you've plugged in to a socket) or play sound on the headphone socket, nor interupt sound when something is plugged in, nor record audio input from the microphone socket.
Here's what I've done-
*Reseated the audio cables on the motherboard
*Reset the BIOS to defaults
*Re-imaged the machine
*Replaced the PCB with the front microphone and headphone socket and USB ports (ports work)
*Replaced the cable between this PCB and the motherboard
As such I can only conclude that the motherboard itself (or the connection on the motherboard, although I cannot see any bent pins) is broken.
Before I call in warranty support is there anything else I should do to test/isolate the problem?
IDG Tech News
14th January 2010, 08:02 PM #2
I have this issue on a number of machines, though not on others that are supposedly identical. I would be interested in hearing of any solutions.
17th January 2010, 08:40 PM #3
Replaced the motherboard and the fault persisted.
I'm left with-
1) Some sort of case short/earthing issue that managed to persist despite a change of motherboard
2) Some weirdly specific processor fault that only affects front panel audio- Don't buy this
I'm going to try re-imaging again as this board is a close match but not exactly identical, and if that doesn't work lift and shift the entire mobo to another case.
Not sure what to do if that doesn't resolve the issue.
Last edited by pwds; 17th January 2010 at 08:46 PM.
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