If the laptop that you have has been sent twice to the repair shop that ended up damaging the item, you can sue the repair shop for the costs of the repair if it will not unilaterlly fix your laptop on its own. The damages would be the costs of repairing the item by a third person.You can sue the repair company for the down time of your computer caused by it damaging it and prevail IF you can demonstrate with reasonable certainty in terms of dollars and cents your damages by way of receipts, the rental of another laptop and the like.As for as getting compensation for the cut, unless you received mediacl attention for it and paid a doctor's bill for treatment, you are out of luck to receive any monetary compensation for that item of claimed damages.