Operation Manual

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Check the following:
Make sure that "the correct driver is installed for the USB device"
Other Issues:
Symptom: System hour and date is not correct.
Check the following:
You can adjust system clock and date from BIOS or operating system. If the system clock and date is
not displaying the value you have entered every time you turn the system on, your BIOS battery may
be dead and you may need to change it. Consult to the technical service regarding this matter.