Partner PT-6212 - USB Symptoms; Peripheral-Device Symptoms; Boot Symptoms

46 CHAPTER 4 LOCATING THE PROBLEM
USB symptoms
Symptom Corrective Procedure
USB device does not function• Check that the USB device is detected in Windows Device 1.
Manager.
Reinstall the USB device driver.2.
Replace the mainboard.3.
Peripheral-device symptoms
Symptom Corrective Procedure
USB ports do not work•
COM ports do not work•
Reseat the I/O cable.1.
Reinstall the drivers.2.
Replace the mainboard.3.
Boot symptoms
Symptom Corrective Procedure
System continually reboots on •
power up
Restore the BIOS defaults.1.
Remove all I/O device drivers, then reinstall the drivers one 2.
by one.
Reseat the SATA cable.3.
Reseat the memory card.4.
Reseat the power adapter.5.
Replace the mainboard.6.