I'm running out of ideas. If it was my machine I would try booting a different kernel:
https://kernel.ubuntu.com/mainline/?C=M;O=D
And if that didn't work then I would even try changing the RAM in the machine.
I'm running out of ideas. If it was my machine I would try booting a different kernel:
https:/ /kernel. ubuntu. com/mainline/ ?C=M;O= D
And if that didn't work then I would even try changing the RAM in the machine.