My Lenovo T420s on Ubuntu 13.04 notebook suddenly stopped waking up from suspend. It used to wake up when opening the lid, but now the screen stays blank, the power button slowly flashes and doesn't ...
I'm using Ubuntu 11.10 on a 305u1a Samsung netbook with Radeon HD 6320 graphics. After suspend, my display stays black. The fans are starting and the harddrive-indication-light is working as well, so ...