I got stuck into black screen and not able after installing nvidia drivers dual boot with windows 10 and RTX 2080 Max-Q Laptop

I got stuck into black screen and not able to enter into ubuntu. After installing ubuntu 20.04 on my Alienware m15 r3 having dual boot with windows 10 and RTX 2080 Max-Q Laptop:

After installing Nvidia 460 drivers following below steps :

[ ## Update to latest Nvidia Driver

this installs drivers from Nvidia

wget http://us.download.nvidia.com/tesla/418.67/NVIDIA-Linux-x86_64-418.67.run

or wget http://us.download.nvidia.com/XFree86/Linux-x86_64/418.74/NVIDIA-Linux-x86_64-418.74.run

supporting packages may need to be installed before running following

sudo bash ./NVIDIA-Linux-x86_64-418.67.run --dkms

reboot

sudo reboot ]

after roboot:
As my nvidia-smi cmd was not working on ubuntu,

I performed following steps successfully:

  1. During the first reboot, “Perform MOK management” screen will showup. Select “Enroll MOK” option.
  2. Select “Continue”, then, “Yes”.
  3. “Enroll the key(s)?” screen will present. Enter the password from Step 3.
  4. “OK” to reboot.

I got stuck into black screen showing “Alienware” on it and not able to enter into ubuntu.

Please help me to resolve this issue.

Are you able to get into grub menu by holding down ‘shift’ on boot?