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- HP Community
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- Notebooks Knowledge Base
- Notebooks Knowledge Base
- Diagnosing sleep problems in modern notebooks
If your laptop is not sleeping and your power plans are set properly,
then some device or application is preventing sleep.
Windows uses Modern Standby and has two tools to analyze sleep problems that can occur in modern standby.
Your system must support Modern Standby to take full advantage of these tools.
Sleep Report | A list of possible problems ranked as Errors, Warnings, or Informational |
Sleep Study | The history of sleep going back several days |
These report are obtained by using the Administrators command prompt.
Copy and paste the following into the command prompt window for the energy report.
powercfg /energy .\energy-report.html |
Note the number of errors and warnings.
Copy and paste the following commands into the same window to get sleep history
powercfg /SleepStudy .\SleepStudy-report.html |
If your laptops fails to sleep the above tools may help identify the problem.

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