Thank you for your email and we apologized for any inconvenience that may cause. According to this issue, we are finding the best solution for supporting you so it may take time. Because if our analysis is wrong, it will waste more times to fix it.
After IT support team verified the cause by Software analyst from Dell. We found the hard disk has a problem. We already informed to Dell and today they will come to change the hard disk at 3:00PM I believe that your laptop will working as normal after changed the hard disk.
Anyway, we are always welcome for your suggestions to improve our services. We will provide you with the best services. If you have any questions, please do not hesitate to contact us.