[arch-general] Blank screen after an interval; maybe related to laptop power supply?

Robin Broda arch-ml at coderobe.net
Sun Oct 27 02:00:09 UTC 2019

On 10/27/19 1:10 AM, Dartme via arch-general wrote:
> I turn on my laptop, sign in (Linux getty), and use the laptop for a couple
> minutes (no graphical applications), then the screen goes black and the
> machine does not appear to respond to any user input (CTRL+ALT+F2, etc.).
> The only recovery I have found is to hold the power button and restart. The
> logs show nothing. When I use the computer without the power supply plugged
> in, the problem doesn't manifest. I'm using a Dell Precision M 4700.
> Any suggestions? What should I be looking at to begin diagnosing the
> problem?

Can you try blindly typing a command, like `poweroff`, when this happens -
to see whether the device indeed powers off?

This would confirm whether user input is still being taken or not,
which helps debugging this substantially.

Rob (coderobe)

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