On Thu, Aug 17, 2017 at 1:14 PM, Kynn Jones <kyn...@gmail.com> wrote:
> I just installed Debian on a (legacy) Optiplex 9010 desktop, and I'm > working through some kinks. > > The most serious one, by far, is that the monitor won't wake up after it > goes goes dark to save power. > > Curiously enough, the problem occurs only when X11 is running; otherwise, > hitting the shift key on the keyboard brings the monitor right back. > > I have tweaked the BIOS settings to enable waking the computer from sleep > through USB-connected devices, and also wake-on-lan and wake-on-wlan. > > How can I troubleshoot this problem further? > I don't yet understand what was wrong before, but I found that installing xscreensaver, and putting the going to sleep under its control solves (or maybe just circumvents) the problem. Thanks for the help!