We have all experienced the frustrations of being over-dependent upon technology we don't fully understand. Unexpected crashes wasting hours of concentrated work, inexplicable error codes flashing at you just when you need to print off a document in a hurry, the nagging feeling of impending disaster when you haven't backed up. This book hails an end to that sinking feeling you get whenever you wonder who is in control - you or the computer. From now on you will be a confident, virtual-spanner-wielding technician ready and able to deal with (nearly) anything your digital assistant throws at you. Combining a first aid manual with advice on preventative medicine and detailed instructions on emergency response routines this book will be your indispensable companion.