Dell OptiPlex 3011 AIO Owner's Manual page 55

Message Description
No timer tick interrupt A chip on the system board might be malfunctioning.
USB over current Disconnect the USB device. The USB device needs more power for it to function properly. Use
error an external power source to connect the USB device, or if the device has two USB cables,
connect both of them.
CAUTION - Hard S.M.A.R.T error or possible hard disk drive failure. Contact Dell and report the issue to a
Drive SELF support technician.
MONITORING
SYSTEM has reported
that a parameter has
exceeded its normal
operating range. Dell
recommends that you
back up your data
regularly. A
parameter out of
range may or may not
indicate a potential
hard drive problem
• If the hard drive is your boot device, ensure that the cables are connected and that the
drive is installed properly and partitioned as a boot device.
• Enter system setup and ensure that the boot sequence information is correct.
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