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Ubuntu 20.04 booting to black screen with flashing cursor, GUI starts after closing and opening laptop lid

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This is on a fresh 20.04 install on an Eluktronics KN950KP6 laptop with an nvidia GTX 1060 mobile graphics card. When I boot the system, I am presented with a black screen with a blinking cursor in the top left corner. If I close the laptop lid and open it again, I'm given the GUI login screen. Everything else is working fine, aside from this quirk.

All my research points to issues with the nvidia drivers. I've tried installing the nvidia drivers a few different ways, and I'm fairly certain I have that set up properly now. I manually installed the recommended drivers, and running nvidia-smi returns the following:

+---------------------------------------------+
| NVIDIA-SMI 510.47.03    Driver Version: 510.47.03    CUDA Version: 11.6     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA GeForce ...  Off  | 00000000:01:00.0 Off |                  N/A |
| N/A   46C    P8     5W /  N/A |     11MiB /  6144MiB |      0%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                               
+---------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      1278      G   /usr/lib/xorg/Xorg                  4MiB |
|    0   N/A  N/A      1769      G   /usr/lib/xorg/Xorg                  4MiB |
+---------------------------------------------+

I'm no expert, but it seems like there is something that isn't starting on boot, but is started when the screen wakes. None of the other questions I've browsed seem to cover this scenario where closing and opening the lid fixes the problem, so I wanted to see if anyone here might have some insight into why this could be happening and how I can resolve it. Let me know if there is any more relevant information I can provide.

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