Stuck at Dell Logo Screen

I have a Dell Vostro 15 3000 After partitioning my SSD with third-party application, my laptop won't boot past the Dell Logo, I tried accessing BIOS setup by pressing F2 and F12 but my pc gets stuck on the dell logo screen. So I figured, there was something wrong with my SSD so then I removed...

I am totally baffled. If the client restarts his computer and the lid of the laptop (connected via HDMI) is closed, the Dell monitor that the laptop is connected to just hangs at the Dell logo. If we restart with the lid open, and the screen does not display on the monitor, it boots up fine...