No more lockscreen, black screen and need to hold start button 10s to to go back into Windows

It looks like Windows Update replaced some of your laptop drivers with newer but not entirely compatible causing difficulty to wake from sleep. Have a look at the laptop Service Tag written at a sticker underneath. Go to Dell Support site and put your Service Tag to find your model. Download all Windows 11 drivers. If not available, download the respective Windows 10 64-bit drivers instead. Install the chipset driver first. Then proceed with the graphics driver. You may also download the latest graphics driver directly from nVidia, if you know your GPU model. After updating all drivers the issue should fix. In worst case you can backup your data and reinstall Windows 11. Make sure you have your drivers downloaded in a USB flash drive so you have them handy after installation.

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