I think its a hard drive failure
its very common for a hard drive to fail does he any important documents on there because if he does he might need to get a usb 2.5 hard drive case.
Is the laptop under a year old? if so i would ring the help line
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the helpline is located in the uk if live somewere else then look athttp://support.fujitsu-siemens.com/com/ ... pdesk.html