This is a major issue with Vista. My Asus R2Hv wakes up in the middle of the night even with the hold key pressed. To me that’s a security hazard. Apart from the risk of the machine melting itself and all my work – It could turn into a fire. Totally unacceptable!

Microsoft has a PowerPoint presentation with lots of details on Sleep in Vista at:

http://download.microsoft.com/download/5/b/9/5b97017b-e28a-4bae-ba48-174cf47d23cd/CPA075_WH06.ppt

They claim that the situation has improved on Vista, though many of us seem to have a different experience.

I don’t use hibernate at all, have it disabled. The Vista Task Scheduler can indeed wake up the PC but I checked all scheduled tasks and they are all configured to not fire up if on battery power. I suspect that something fired up anyway.

I have it on good authority (Josh Einstein to be precise) that it is possible for the OS to wake the computer from standby, as it does when a PC goes from standby to hibernate on its own. Typically, this is done for power saving purposes. However, if your page file is fragmented, the computer cannot hibernate. Instead, it will wake from standby and stay on. I discovered last week that my page file was fragged, which was preventing my tablet from hibernating. If your PC is set to hibernate after being in standby for a certain period of time, but it stays on instead, defrag the hard drive.

James, I don’t know what “sleep” is. Well, *I* know, but Windows doesn’t. It only has Standby and Hibernate modes. Stop using standby and use hibernate instead. This shuts the power off completely. Only the power switch will turn the machine on after that. At least that’s how notebook computers work, no promises om the UMPCs.

(Sent from my Pantech PN-820)

This happens to me too often. I would say that it starts up every 2 out of 5 standsby. I am facing also another problem with Standby mode: many times when I trun back on my Q1 I find it had shutted down all alone!! Any hint??

It seems I remember with the first generation of tablets that there was an issue with hibernation that would cause my TC1000 to waken when it tried to go from stand by to hibernate. I wonder if this is related somehow?

Steve

Mine are set to Hibernate after they’ve been in Stand By for thirty or sixty minutes (depending on how I set it for what my day looks like), and that has saved my battery some juice, but to do hibernate, it turns itself on for that purpose, that is, to copy the entire chipset memory to the disk, which takes about a minute.

I don’t think my Q1 has failed to hibernate properly, but I think in sliding it back into the neoprene case one time I must have neglected to slide the hold key and turned it on from either hibernate or stand by. When I pulled it out, it was hot to the touch, and the touch screen unit was fried. If I hadn’t have invested in the Samsung keyboard, I wouldn’t have known if anything else was fried, or just that (just the touch screen unit). About a ten day/two week repair under warranty.

And since it’s open season for spammers today at jkontherun, I’d like to make available–darn, I’ve got nothing to sell. Never mind.

James, by default a new task IS set up to not wake up a computer if only a battery power. But the option is there, which is why I suggested to investigate which task is firing and if possible, uncheck that option to allow resume on battery power.

Mickey, I always make sure that the P1610 completely enters sleep mode. That is one step I NEVER overlook because of the potential danger of this situation.

I have had this problem with my Vista Ultimate desktop. I was putting it to sleep before bed, and it was waking by itself at some point before morning…sometimes within a few hours.

As everything else was fine, I didn’t bother to look into it any further, however, a quick google seems to suggest that it could be caused by the Media Center components of the OS.

Strangely, I have had no problems with my new Samsung Q35 running Home Premium yet :)

James: I don’t know the Asus or Fujitsu hardware, but is there some hardware indicator such as a flashing light that indicates that the computer has actually arrived into the desired sleep state?

If the computer actually is waking up from sleep this is a major problem. However, if this is simply a failure to go into sleep this problem is preventable by being on the lookout for problems in going into sleep.

On my Motion LS800 I see a failure to go into sleep a few percent of the time, and I recognize this by an indicator light staying on instead of flashing as it does during sleep. I have never seen spontaneous emergence from sleep after being sure the computer went into sleep.

I first discovered this problem when my jacket pocket seemed warmer than expected. Although there was some battery drainage, there was none of the same degree of overheating that one would get with a neoprene case.

I should add that I have tested trying every button and pushing on the touchscreen while the unit is sleeping and I cannot manually make it resume that way. It is definitely an OS trigger that is making it come back on which is very disturbing to me. I MUST be confident that when I arrive at a destination that the battery has not been depleted by resuming on its own. I repeat, no matter what it triggering it when a device is on battery power the OS should NOT let anything turn the unit on. Mobile PCs can be seriously damaged by this event.

No hold button on the P1610.

I think James’ computers are just having bad dreams and can’t sleep. ;) Seriously, that’s not good at all. I’m sure it won’t help but what I’ve been doing as an added precaution is enabling the Hold button on my Q1P after putting the device to sleep. May not help if it’s an OS issue….

I had excatly the same thing happen to my Samsung Q1, a colleague of mine saw the Q1 for the first time and in delight picked it up, but to his alarm he dropped it immidiatly due to it being so hot and on further inspection the Q1 had got so hot it actually melted the outer casing where the heat exhaust is and distorted the power slide.

On reporting this to Samsung they were very concerned about the incident and arranged for the unit to be collected the very next day, after investigation from the technical team they discovered and internal problem with the heat sync had caused the unit to overheat and replced my Q1 with the new updated version (not the Ultra) and was back with me within 3 days, so hats of to Samsung for such lightening response!