You need to contact Dell for assistance. Dell is solely responsible for support of your laptop.
Also, you should use ONLY the drivers provided by dell and not the Intel generic drivers, and you should be on Windows 10, version 1903.
Thank you for posting on the Intel® communities.
We noticed that you are being assisted via a support case regarding this issue. In order to avoid duplication of effort, we will proceed to close this thread and the assistance will continue under the support ticket.
Intel Customer Support Technician
A Contingent Worker at Intel