Ungewolltes Wake On Lan

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To quickly find out which one it is, you will need to summon your command prompt with administrative rights. To do so in Windows 7, search for “cmd” in your Windows search bar, right-click it and select “Run as Administrator”. In Windows 8, simply hold down the Windows-key + X and select the option “Command Prompt (Admin)” from the menu. In the following prompt, enter the line powercfg - lastwake to identify the event or device that is responsible for the last waking process. Once the results are shown, check the “Instance Path:” to see where it originated from (the USB or PCI port for instance) and look under “Type:” for the nature of the cause, typically a device or a wake timer. You can find solutions for both cases further in the solutions section of this article. Tip: Disabling the wake-up function of one device is usually enough to prevent accidental boot-ups in the future. If you'd like to make absolutely sure that your PC stays put however, you might also want to have a look at all other devices that can potentially wake him up. To get an overview, enter powercfg -devicequery wake_armed into the prompt. Conversely, you can also get a complete list of all devices that can be programmed with a wake-up function by entering powercfg -devicequery wake_programmable into the prompt - for instance, if you'd like to find out whether or not your keyboard can be turned into a second power button. In either case, note down the names of all devices that you want to add or remove from the wake-up list and jump to the solution section further below.

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If the approach with the command prompt hasn't yielded any (interpretive) results, you can also try looking for the cause in the more user-friendly Windows Event Viewer. To open it, hold down the Windows-key + R and type in “eventvwr.msc”. Once inside, click on the little arrow next to “Windows Logs” in the left panel to expand its contents and select the entry “System”. As the number of events often rank in the thousands, this might take a little while to process. Look on the right side for an option called “Filter Current Log” to filter them according to certain criteria. Look for the drop-down menu “Event sources” and select the entry “Power-Troubleshooter” from its long list of options and click on “OK”. This will give us a compact overview of all recent wake up events with both date and time in the middle of the Event Viewer. Simply check all the suspicious ones for the “Wake Source” to see what caused the disturbance.

Zitat von Whîtêkñîght am 22.04.2015 um 07:51 Uhr:

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