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HP PCs - Sleep and Hibernate Issues (Windows 10, 8)

This document applies to HP and Compaq desktop and notebook computers with Windows 10 or Windows 8.
The computer does not wake up from sleep or hibernate mode
Restarting your computer erases all information in the computer's memory, which might restore functionality. Before performing these steps, be sure to restart your computer to attempt to resolve the issue.
If you have a notebook computer that cannot return from sleep mode, first make sure it is connected to an AC power source and the power light is on.
Step 1: Enabling the Keyboard in Windows
Skip this step if the computer does not enter sleep mode or if the computer wakes unexpectedly.
Follow these steps to enable your keyboard to wake your computer from sleep mode:
  1. In Windows, search for and open the Device Manager.
  2. Click the arrow next to Keyboards and double-click the name of your keyboard.
    Figure : Keyboards selection in the Device Manager window
    Keyboards selection in the Device Manager window
  3. If the Power Management tab is available, proceed to the next step.
    If the Power Management tab is not available, click the Change Settings button if it appears below the Device status box. The same Keyboard Properties window opens with the Power Management tab available.
    If you are prompted for an Administrator password or confirmation, type the password or provide confirmation.
  4. Click the Power Management tab and make sure that the box next to Allow this device to wake the computer is checked.
    Figure : Allow this device to wake the computer selection in the Power Management tab
    Allow this device to wake the computer selection in the Power Management tab
  5. Click OK, and then test to make sure that the keyboard can now wake the computer. If the computer still cannot wake from sleep mode, continue using these steps.
Step 2: Updating software and drivers
Some drivers can be downloaded from HP and others can be downloaded from Microsoft using Windows Update. Having the most current BIOS version and drivers installed on your computer can resolve several issues. To find the BIOS and driver updates available for your computer, check, in the following order, the following locations:
Step 3: Using HP Support Assistant to find updates automatically in Windows
HP personal computers with Windows come with HP Support Assistant installed. You can use HP Support Assistant to automatically find and install the latest updates for your computer. If needed, you can install the latest version of HP Support Assistant from the HP Support Assistant site (in English).
Follow these steps to open the HP Support Assistant and check for software and driver downloads:
  1. In Windows, search for and open HP Support Assistant.
  2. In HP Support Assistant, click Updates and tune-up.
  3. Click Check for HP updates now.
    HP Support Assistant checks for the latest updates from HP.
  4. If new updates are available, make sure the checkbox next to each update is checked and click Apply to begin downloading and installing the updates.
    If no new updates are available, click Finish.
For more information about configuring and using HP Support Assistant, please refer to the following support documents:
Step 4: Using Windows 10 or Windows 8 Power troubleshooter
You can run the Power troubleshooter to adjust your computer's power settings. The Power troubleshooter checks things like your computer's timeout settings, which determine how long the computer waits before turning off the monitor display or entering sleep mode. Adjusting these settings can help you conserve power and extend your computer's battery life.
To run the Power troubleshooter, use the following instructions:
  1. In Windows, search for and open the Control Panel.
  2. In the Control Panel Search field, type troubleshooting.
  3. Click Troubleshooting.
    Figure : Troubleshooting
    Troubleshooting search results in the Control Panel
  4. Under System and Security, click Improve power usage.
    If asked for an administrator password or confirmation, type the password or provide the confirmation information.
    Figure : Improve power usage
    Improve power usage in the System and Security section
  5. Click Next to run the troubleshooting tool.
    A Detecting Issues window displays while Windows detects and attempts to fix any issues.
    Figure : Detecting issues
    Detecting issues progress bar in the power troubleshooting tool
  6. After troubleshooting is complete, close the troubleshooter, or click Explore additional options if needed.
The computer wakes from sleep mode unexpectedly
If your computer wakes from sleep mode unexpectedly, see the information in this section to prevent hardware devices from waking the computer.
Step 1: Changing device settings in Windows
Some device settings can cause the computer to return from a power savings state unexpectedly. This can cause the computer to wake from sleep mode for no apparent reason. Activity from devices such as a Wireless Mouse, Network, or High Definition Audio can cause the computer to wake. Network activity can cause the network hardware to wake the computer, especially when the network is always on (like cable and DSL connections). Use the following steps to prevent hardware devices from waking the computer:
  1. In Windows, search for and open the Device Manager.
  2. Click the arrow next to the device that needs to be adjusted.
    • If you are using an optical mouse, select Mice and other pointing devices.
    • If the computer is using an "always-on" Internet connection, select Network Adapters.
    • To check the high definition audio settings, click Sound, video, and game controllers.
    Figure : Selections in the Device Manager window
    Selections in the Device Manager window
  3. Double-click the name of the device to open a Properties window.
  4. If the Power Management tab is available, proceed to the next step.
    If the Power Management tab is not available, click the Change Settings button. The same Properties window opens with the Power Management tab available.
    If you are prompted for an Administrator password or confirmation, type the password or provide confirmation.
  5. Click the Power Management tab, and remove the check next to Allow this device to wake the computer. You might need to do this for each of the devices listed in the previous step, mice, keyboards, and sound.
    Figure : Allow this device to wake the computer selection in the Power Management tab
    Allow this device to wake the computer selection in the Power Management tab
     note:
    If you prevent the mouse from being able to wake the computer, you can still wake the computer using the Sleep button on the keyboard or the power button on the front of the computer.
  6. Click OK, close the open windows, and then restart the computer.
Step 2: Checking for a problem with a connected device in Windows
Some devices can cause sleep/standby issues. Use these steps to check for a problem with the devices connected to the computer.
  1. Disconnect all non-essential connected devices (printers, scanners, USB drives, etc.).
  2. Restart the computer with only the original mouse, monitor, and keyboard connected.
    If this resolves the sleep/standby issue, one of the connected devices was causing the problem. Replace one device and test to see if the issue occurs again. Continue adding devices and testing until you find the device that is causing the problem.
    If the issue still exists, proceed to the next troubleshooting step.
Step 3: Installing/upgrading antivirus application and definitions, and running a scan in Windows
Some viruses and other malicious applications can cause sleep/hibernate issues. It is therefore advisable to download/update antivirus applications and definitions, and run a scan.
Perform a virus scan to check the computer for possible viruses or other malicious applications that might be interfering with the sleep/hibernate modes.
For instructions on downloading and updating antivirus applications and definitions, and running a virus scan, refer to the HP support document Resolving and Preventing Viruses on Your Computer (Windows 10, 8).
If the issue still exists, proceed to the next troubleshooting step.
Step 4: Scanning for malware
Malware applications can also cause sleep/hibernate issues. Windows Defender helps to prevent malware from infecting your computer in two ways:
  • Real-time protection: Windows Defender notifies you when malware tries to install itself or run on your computer. It also notifies you when applications attempt to change important settings.
  • Scanning options: You can use Windows Defender to scan for malware that might be installed on your computer and to automatically remove (or temporarily quarantine) anything that is detected during a scan.
Open and use Windows Defender with the following steps:
  1. In Windows, search for and open Windows Defender.
  2. Check the Windows Defender screen for harmful or unwanted software on your computer.
    • If Windows Defender detects potentially harmful or unwanted software, the names and details of the software display on the opening screen. Use this information to decide whether to remove or temporarily disable the software.
    • If Windows Defender does not detect potentially harmful or unwanted software, no action is required.
    Figure : Windows Defender opening screen
    Windows defender screen open
  3. Run a scan of your computer with Windows Defender. You can run a quick scan or a full scan looking for malware. A full scan might cause your computer to run slowly until the scan is complete.
    • A quick scan checks the places on the hard disk drive that malware is most likely to infect. To run a quick scan, click Quick, and then click Scan now.
    • A full scan checks all files on your hard disk drive and all currently running programs. If you suspect that malware has infected your computer, run a full scan. To run a full scan, select Full, and then click Scan now.
    Figure : Scan options
    Screen with scan options
The computer does not go into sleep or hibernate mode
If the computer does not go into sleep or hibernate modes, use the following steps in order to troubleshoot.
Step 1: Changing the power settings in Windows
Power settings control the computer’s ability to go into and come out of sleep/standby mode. Make sure the power options are set so the computer can use sleep/standby mode correctly.
The following steps provide detailed instructions:
  1. In Windows, search for and open Power Options.
  2. Select one of the available plans, Power saver, Balanced, or High performance and click Change plan settings.
    Figure : Power Options window
    Power Options window
  3. Click Change plan settings.
    In the System Settings window, configure the desired behavior of the Power button, the Sleep button, and the display panel lid, for when it is running on battery power and for when it is plugged into a power source.
  4. Click Save changes, and then restart the computer.
If the issue still exists, see Disabling hybrid sleep in Windows.
Step 2: Updating software and drivers
Some drivers can be downloaded from HP and others can be downloaded from Microsoft using Windows Update. Having the most current BIOS version and drivers installed on your computer can resolve several issues. To find the BIOS and driver updates available for your computer, check, in the following order, the following locations:
Step 3: Using HP Support Assistant to find updates automatically in Windows
HP personal computers with Windows come with HP Support Assistant installed. You can use HP Support Assistant to automatically find and install the latest updates for your computer. If needed, you can install the latest version of HP Support Assistant from the HP Support Assistant site (in English).
Follow these steps to open the HP Support Assistant and check for software and driver downloads:
  1. In Windows, search for and open HP Support Assistant.
  2. In HP Support Assistant, click Updates and tune-up.
  3. Click Check for HP updates now.
    HP Support Assistant checks for the latest updates from HP.
  4. If new updates are available, make sure the checkbox next to each update is checked and click Apply to begin downloading and installing the updates.
  5. If no new updates are available, click Finish.
For more information about configuring and using HP Support Assistant, please refer to the following support documents:
Step 4: Scanning for malware
Malware applications can also cause sleep/hibernate issues. Windows Defender helps to prevent malware from infecting your computer in two ways:
  • Real-time protection: Windows Defender notifies you when malware tries to install itself or run on your computer. It also notifies you when applications attempt to change important settings.
  • Scanning options: You can use Windows Defender to scan for malware that might be installed on your computer and to automatically remove (or temporarily quarantine) anything that is detected during a scan.
Open and use Windows Defender with the following steps:
  1. In Windows, search for and open Windows Defender.
    Search results with Windows Defender selected
  2. Check the Windows Defender screen for harmful or unwanted software on your computer.
    • If Windows Defender detects potentially harmful or unwanted software, the names and details of the software are displayed on the opening screen. Use this information to decide whether to remove or temporarily disable the software.
    • If Windows Defender does not detect potentially harmful or unwanted software, no action is required.
    Figure : Windows Defender opening screen
    Windows defender screen open
  3. Run a scan of your computer with Windows Defender. You can run a quick scan or a full scan looking for malware. A full scan might cause your computer to run slowly until the scan is complete.
    • A quick scan checks the places on the hard disk drive that malware is most likely to infect. To run a quick scan, click Quick, and then click Scan now.
    • A full scan checks all files on your hard disk drive and all currently running programs. If you suspect that malware has infected your computer, run a full scan. To run a full scan, select Full and then click Scan now.
    Figure : Scan options
    Screen with scan options
Disabling the password requirement when resuming from sleep
If you are required to enter a password when you log on to your computer, the default setting are the same for when the computer is resuming from sleep/hibernate mode. Use the following instructions to eliminate the need to use a password when resuming from sleep.
Updating the settings in Windows to not require a password on wake
The following are instructions to not require the password on wake.
  1. In Windows, search for and open Power options.
  2. Click Require a password on wakeup.
    Figure : Require a password on wakeup
    Control Panel Home with Require a password on wakeup selected
  3. Click Change settings that are currently unavailable.
    Figure : Change settings that are currently unavailable
    Power Options, System Settings with Change settings  that are currently unavailable selected
  4. Select Don't require a password, and then click Save changes.
    Figure : Don't require a password
    Power options with Don't require a password selected
Disabling hybrid sleep in Windows
The hybrid sleep setting might cause an issue with the sleep mode.
Use the following steps to disable hybrid sleep:
  1. In Windows, search for and open Power options.
  2. Click Change plan settings for the power plan that is selected.
    Figure : Power Options window
    Power Options window
  3. Click Change advanced power settings.
    Figure : Notebook computers: Change advanced power settings selection in the Edit Plan Settings window
    Notebook computers: Change advanced power settings selection in the Edit Plan Settings window
    Figure : Desktop computers: Change advanced power settings selection in the Edit Plan Settings window
    Desktop computers: Change advanced power settings selection in the Edit Plan Settings window
  4. Do one of the following options to navigate to the hybrid sleep settings:
    • Clicking the plus sign (+) next to Sleep.
    • Clicking the plus sign (+) next to Allow hybrid sleep, then select Off from the drop-down menu, and then click OK.
    Figure : Notebook computers: Allow hybrid sleep selection in the Power Options window
    Notebook computers: Allow hybrid sleep selection in the Power Options window
Understanding Windows Sleep and Hibernate modes
Sleep: Press the Sleep key on the keyboard, or click Sleep from the Power menu (Windows 10), or under the Shut down menu in (Windows 8) to put the computer in sleep mode. Closing the display panel on a notebook can also put the notebook in sleep mode. Sleep mode saves the state of all open applications to memory, then powers down both the display panel and hard disk drive. Only enough power is used to maintain the data in the memory. Restoring from sleep mode happens quickly, in most cases in a matter of seconds. Sleep mode is useful when you need to pause the computer for a short time. However, in a notebook, maintaining the power to the memory modules can drain a battery if the notebook is not plugged in.
Hibernate: Click Hibernate (if available) from the Power menu (Windows 10), or under the Shut down menu in (Windows 8) to put the computer in hibernate mode. Hibernate saves the state of all open applications to the hard disk, then completely powers off the computer. The computer consumes no power while in hibernate mode. When you restart the computer, the previous state of all open applications is restored. Restarting from hibernate mode might take longer than restarting from sleep mode. Use hibernate when you do not need your computer for an extended period of time.

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