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What laptop? Windows or Mac?
Earthing issue or some weird battery/performance management settings.
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Check if it’s all devices and then see what the power management settings are (especially if there’s any non-windows manufacturer crap on there).
Earthing issues would probably show up as noise but it could be a faulty motherboard cutting things out. -
Sounds like its a power management issue - I know for a while my desktop would do the same - but only on the front ports.
Do you have another device you could try? Phone or something? At least that way you'll be able to ascertain whether its the USB or DAC.
TRA
Dramatic_Hammer
spenceey
@ChasnotRobert
This is madness.
Got home today, and it doesn't work again.
Spent an hour fiddling around with cables etc, had just about decided that there must be a fault with the USB connection at the back of the dac. Then had another thought, and eventually worked out that the USB connection to the dac fails when the laptop is plugged into the mains.
It's fine when running on battery.
I guess I need to check if this is the same for all USB devices or just the dac. Any idea why this could be the case?
It's a goddam pita to have to try and send the laptop back.