Posted January 17, Anyone found solution how to fix it? Posted January 18, Simon- Posted January 18, Mikee4fun Posted January 18, This happened on my wife's laptop earlier, but has not yet happened on mine touch wood!
For now, I am ensuring that closing the lid does nothing, i. Posted January 19, Posted January 20, Posted January 22, Posted January 24, Quasar Posted February 12, Posted February 12, Posted February 12, edited. Thanks, I'll try that later today Edited February 12, by lifeisfun. This problem occurs because the Plug and Play operation that is performed when the computer resumes from sleep or hibernation does not correctly recognize the USB devices or power saving settings are enabled.
When the computer is connected to many USB devices and resumes from sleep or from hibernation, multiple and concurrent Plug and Play processes are required. In this scenario, sometimes the Plug and Play operation cannot recognize all the USB devices that are connected to the Windows 7 or Windows Vista-based portable computer.
Therefore, the USB devices may not function correctly. An external power failure occurs on the powered hub or on the device when the computer is in hibernation. If other methods do not resolve the problem, you can change the value for the AdditionalCriticalWorkerThreads registry entry.
To do this, follow these steps. Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it.
Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:.
Click Start , type regedit in the Start Search box, and then click regedit in the Programs list. If you are prompted for an administrator password or confirmation, type your password or click Continue. When SP1 was installed I could put the computer into sleep mode, but it wouldn? It would also not wake up if the computer went into sleep mode as per the power settings of 20 minutes of non-usage. I had to play around with the power options and came up with the following that appears to now be working:.
I've only put mine to sleep once since I installed SP1 and it failed to recover. I was hoping it was just a fluke, but I've seen a few other people complaining. I will give this a try. I always put my laptop into sleep by closing the lid and i've not had any problems with it waking back up.
Ok just set up my power plan as guided EDIT - I guess the fact I just had to turn the PSU off at the back because the power buttons didn't work and the system fans were at full speed shows this didn't fix it for me. Thanks for posting, have taken note in preparation for SP1 on the 22th. I put my PC to sleep every night so this is quite critical if the same issue happens to me Y. Just wanted to bump this and mention that I had the same problem, and the suggestion to disable hybrid sleep is what fixed it.
As a bonus, the system also goes into sleep MUCH faster. This actually happens to me, before SP1 my PC use to be able to go to sleep and return from sleep. After SP1 it may go to sleep but everything is still wuring and the monitors just turn off you have to hold down the power button to turn it off. My sleep works the same as it did pre-SP I hate when the computer wakes up automatically because of scheduled tasks namely Window Media Center update related.
Office Office Exchange Server. Not an IT pro? SQL Server. Sign in. United States English. Home R2 Library Forums. Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Windows 7 Performance. Sign in to vote. May by this should be looked for a future update.
Friday, February 25, PM. Setting "Hybrid Sleep" to "Off" seems to fix the problem. Saturday, February 26, AM. I'm having the exact same problem.
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