On Monday a quick call to Lenovo resulted in them providing me with a link to test the X201i's HDD. Several of the tests failed. So they said they would supply a replacement HDD and a set of DVDs to restore to factory settings.
On Tuesday the replacement HDD arrived. On Wednesday the DVDs arrived. Within 48 hours of reporting the problem everything is up and running again. (All I had to do was borrow an external DVD reader from a neighbour ... which cost me a pint.)
Great service from Lenovo.





