Partner A4-1-K - USB Symptoms; Peripheral-Device Symptoms; Boot Symptoms

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USB Symptoms
Symptom Corrective Procedure
• USB device does not function • Check that the USB device is detected in Windows Device
Manager.
• Reinstall the USB device driver.
• Replace the mainboard.
Peripheral-Device Symptoms
Symptom Corrective Procedure
• USB ports do not work
• COM ports do not work
• Reseat the I/O cable.
• Reinstall the drivers.
• Replace the mainboard.
Boot Symptoms
Symptom Corrective Procedure
• System continually reboots on
power up
• Restore the BIOS defaults.
• Remove all I/O device drivers, then reinstall the drivers
one by one.
• Reseat the SATA cable.
• Reseat the memory card.
• Reseat the power adapter.
• Replace the mainboard.