Generally a failure code indicates a hardware item has problems or failed. Run the Diagnostics tests to find where (which hardware item)
To run the Diagnostics routine, start tapping the Esc key and then press the start button. Keep tapping the Esc key until a popup menu shows. Then pick Diagnostics from that popup menu, F2. Report back with the results. If it is the quick test and not the long test, then the hard drive is indicating the drive is about to fail - a prediction. If it is the long test, then the drive has failed and needs to be replaced.
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It turns out that the HDD had NOT failed, but the OS was on a secondary partition and the CMOS couldn't find it, due to a recent revert to the default parameters,ie F-9, save / restart. Thanks again for all your support.
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