To help you troubleshoot the issue about unable to wake up the laptop from the sleep mode, please find the link given below and follow the instructions: http://windows.microsoft.com/en-US/windows7/Open-the-Power-troubleshooter
If issue persists, please find one more troubleshooting link given below, which may help you to resolve the issue: http://support.hp.com/us-en/document/c01853693
Answers & Comments
To help you troubleshoot the issue about unable to wake up the laptop from the sleep mode, please find the link given below and follow the instructions:
http://windows.microsoft.com/en-US/windows7/Open-the-Power-troubleshooter
If issue persists, please find one more troubleshooting link given below, which may help you to resolve the issue:
http://support.hp.com/us-en/document/c01853693
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