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 modes of the
computer.
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Power
Problem Possible Solution
Computer will not turn on.
Ensure that the computer is connected to a
power supply.
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 for function and blockage.
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USB Ports
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 the CPU. Ensure
that the USB device is properly
inserted into the port.
USB device does not work
with the system.
The USB device and the
system may use different USB
architectures.
Ensure that the USB device and
the system have the same USB
architecture. (UHCI-compliant
devices only work with a
UHCI-compliant system, and
compliant devices will only work
with a OHCI-compliant system.)
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