Ever since I updated to v. 9.34, once in expedition mode, I cannot wake it up by blipping the power button--blank screen, flashing green LED. Only way to recover is to keep power switch depressed until it forces a restart. There was an update a few years ago that also blew up expedition mode and they had to release a fix fairly quickly. Anyone else with this problem? There are two reasons I've stuck with my 67i--battery life via expedition mode and the ruggedness of the physical unit. But Garmin just shot down half my reasons with another ill-configured update? Help!!