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=== Atheros Wifi Yellow Bang in Device Manager ===Yellow bang in device manager on Atheros driver - common issue with this Acer laptop under Windows XP. Rebooting does not resolve. What seems to work is to right click and "Uninstall" then refresh so Windows finds the card and reinstalls the driver. This seems to resolve the conflict.* In Device Manager Uninstall and Reinstall AtherosIt seems that under Windows XP the WiFi card conflicts with another hardware on laptop. It is unknown which other hardware is the cause. It is not the wired adapter.