Same issue on a t400s, suspend/resume worked every time and now fails fairly frequently. Looks like the suspend fails, the suspend indicator (moon icon) never stops blinking after the lid is closed. Fails even w/o external devices plugged in, regardless of whether it's plugged into a power source.
Same issue on a t400s, suspend/resume worked every time and now fails fairly frequently. Looks like the suspend fails, the suspend indicator (moon icon) never stops blinking after the lid is closed. Fails even w/o external devices plugged in, regardless of whether it's plugged into a power source.