RE: Blank screen
Thank you for reaching out to Dell Community Forum.
Please run the Dell diagnostics <F12> and capture any error codes or message you receive.
Can you connect an external monitor and check if you receive any display on it?
Please click my DELL-username and send me a Private Message with the Dell Service Tag number and your email address.
Note: please don't mention the service tag or email id on the public forum as it contains your personal information