Hello,

Please confirm the operating system that you have on the system, as it could be configured with windows 7, 8.1 or 10. If you have windows 7, you can use the link below for the MS hotfix for the issue.

Hotfix: support.microsoft.com/.../2615701

if you have windows 8.1 or windows 10 you can try the startup repair option

for startup repair refer www.dell.com/.../en

Let me know if it helps.