48
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.
Summary of Contents for SP-850-S
Page 1: ...POS Terminal SP 850 S Service Manual...
Page 18: ...18...
Page 36: ...36...
Page 43: ...43 3 When installation is completed click Finish...
Page 44: ...44...
Page 53: ...53 Back Cover 1 Remove all screws from the back cover 2 Remove the back cover...