thankyou zigzag no not tried safe mode probly shud i will tomorrow as i have to go out now and find which F key it is
ive run the startup recovery/fixer thing
here are the results
problem event: starting repairoffline
problem sig 1: 0.0.0.0
problem sig 2:6.1.7600.16385
problem sig 3: unknown
problem sig 4: 21201146
problem sig 5: autofailover
problem sig 6: 4
problem sig 7: bad driver
a recent driver or update may be preventing windows from starting