The power switch for the new
external device is not turned on.
Turn off the computer, turn on the
external device, and then turn on the
computer to integrate the new device
with the computer.
Power
Problem Possible Solution
Computer will not turn on. Ensure that the computer is connected to a power source.
Computer does not automatically
display the date and time.
The real-time clock (RTC) battery may need to be
replaced. Click here for replacement procedures.
Computer does not beep during
POST.
The speaker volume may have been turned down. Select
the Volume option from the Control Panel and adjust the
volume.
Computer powered off
automatically.
The unit temperature may have been exceeded. Check
the fan for function and blockage.
USB
Problem Probable cause(s) Possible solution
Port 3
cannot
work with
any slow
speed
devices.
The device is plugged
into the wrong port.
Check to see if the keyboard is plugged into Port
3.
Ensure that the USB device is properly inserted
into the port.
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