Dell Vostro 470 (Mid 2012) - Manual (Page 57)

System Message Description
Hard-disk drive read failure Possible hard disk drive failure during HDD boot test.
Keyboard failure Keyboard failure or loose cable. If re-seating the
cable does not solve the problem, replace the
keyboard
No boot device available No bootable partition on hard disk drive, the hard disk
drive cable is loose, or no bootable device exists.
• 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.
No timer tick interrupt A chip on the system board might be malfunctioning
or motherboard failure.
USB over current error Disconnect the USB device. The USB device needs
more power for it to function properly. Use an external
power source to connect the USB device, or if the
device has two USB cables, connect both of them.
CAUTION - Hard Drive SELF 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 S.M.A.R.T error, possible hard disk drive failure.
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