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My computer doesn't go back to sleep anymore
My computer is a new Alienware Aurora running windows 7 64 bit Ultimate
version; it also has an internal Hauppauge WinTV HVR 2250 TV tuner installed. I've occasionally used the built-in Windows Media Center to record TV programs, this was how my computer used to behave: 1. I set time for TV recording, 2. I put computer into sleep mode, 3. My computer woke up at the appropriate time, 4. did the recording, 5. put itself back to sleep afterwards. It's been a while since I did the last recording, I just found out recently that my computer now behaves differently: it only does step 1 to 4, it doesn't put itself back to sleep anymore. I came home a few time to find the computer was still on long after having recorded the shows, when it should've been in the sleep mode. I'm scratching my head over this sudden change of behavior. I didn't change any power settings at all. The only hardware change has been the 850w PSU, when the last PSU failed and had to be replaced under warranty service. TIA. |
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#2
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My computer doesn't go back to sleep anymore
Your_name wrote:
My computer is a new Alienware Aurora running windows 7 64 bit Ultimate version; it also has an internal Hauppauge WinTV HVR 2250 TV tuner installed. I've occasionally used the built-in Windows Media Center to record TV programs, this was how my computer used to behave: 1. I set time for TV recording, 2. I put computer into sleep mode, 3. My computer woke up at the appropriate time, 4. did the recording, 5. put itself back to sleep afterwards. It's been a while since I did the last recording, I just found out recently that my computer now behaves differently: it only does step 1 to 4, it doesn't put itself back to sleep anymore. I came home a few time to find the computer was still on long after having recorded the shows, when it should've been in the sleep mode. I'm scratching my head over this sudden change of behavior. I didn't change any power settings at all. The only hardware change has been the 850w PSU, when the last PSU failed and had to be replaced under warranty service. TIA. If the new ps is a different model, it might be more sensitive to USB devices, such as the mouse, which would keep it awake. So look in the BIOS for "Wake On" settings. If the timer for these activities is part of Hauppauge software, see if it has a feature to force sleep mode. If you use a batch file, this article shows how to force some powerdown modes, though "sleep mode" isn't mentioned: http://support.microsoft.com/kb/555569 -- Joe =o) |
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