
If your PowerSpec computer is not waking up from sleep mode, there are several methods you can try. Firstly, check your power settings and disable the hibernate option. You can also try moving your mouse or pressing any key on the keyboard, or pressing the power button to wake up the computer. If your computer is still unresponsive, try booting it in Safe Mode, which is a special way for Windows to load when there is a critical system problem. If the issue persists, you may need to check your BIOS settings or consult technical support for further assistance.
How to Wake PowerSpec from Sleep
| Characteristics | Values |
|---|---|
| PowerSpec model | G478 |
| Computer power issues | Goes into sleep state and then hibernate |
| Troubleshooting | Check sleep/hibernate settings, disable hibernate option |
| Waking the computer from sleep mode | Move the mouse, press any key on the keyboard, press the power button |
| Troubleshooting Windows Computers | Steps for Fixing Windows Computers that Do Not Wake Up or Resume from Suspend or Hibernate Mode but Will Power On |
| Dell Computers | Go to Start > Settings > System > Power & battery > Screen and sleep |
| Troubleshooting Dell Computers | Change power and sleep settings |
| Troubleshooting PC that won't wake up from sleep mode | Boot the computer in Safe Mode, perform SFC tools, perform DISM tools |
| Troubleshooting PowerSpec G411 | Disable Automatic Wake, open BIOS, select Advanced, select ACPI Configuration, select USB Keyboard/Remote Power On or USB Mouse Power On, select Disabled |
| Troubleshooting PowerSpec G478 | Go to Edit power plan, select Change advance power settings, turn off Allow hybrid sleep, disable selective suspending under USB Settings, turn off link state power management under PCI Express, apply and save changes, reboot the computer |
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What You'll Learn

Check sleep/hibernate settings
To check your sleep/hibernate settings, you can follow these steps:
First, select Start, then Settings > System > Power & sleep > Additional power settings. Here, you can select what the power buttons do. If you are using a desktop or tablet, select "Choose what the power buttons do". Next to "When I press the power button", select "Sleep", and then select "Save changes". If you are using a laptop, select "Choose what closing the lid does". Next to "When I close the lid", select "Sleep", and then select "Save changes".
You can also set your computer to hibernate. To do this, select Start, then Settings > System > Power & sleep > Additional power settings. Select "Choose what the power button does", and then select "Change settings that are currently unavailable". Under ""Shutdown settings", select the ""Hibernate" checkbox (if it is available), and then select "Save changes". You can now hibernate your computer by selecting Start, then Power > Hibernate.
If you are using Windows 10 or 11, you can also change your power plan by selecting Start, then Settings > System > Power & battery, and using the drop-down menu under Power mode to change to the power mode you want.
If you are having issues with your computer not waking up from sleep mode, you can try the following:
- Make sure your keyboard and mouse are set up to wake the computer. To do this, search for and open Device Manager from the Start menu. Double-click on "Keyboards" and right-click on "HID Keyboard Device" to select "Properties". Under the Power Management tab, make sure that the box for "Allow this device to wake the computer" is selected. Repeat this process for "HID-compliant mouse".
- If your monitor is not waking up from sleep mode, ensure that the computer is not in sleep or hibernate mode.
- If your monitor continues to enter standby mode, change the power and sleep settings.
- If your computer is in sleep mode for a long time, it will enter hibernation mode. You can wake it up by pressing the power button.
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Boot in Safe Mode
If your PowerSpec computer is stuck in sleep mode, you can try the following steps to wake it:
- Move your mouse or press any key on the keyboard.
- If that doesn't work, press the power button to wake up the computer.
- If your computer is still unresponsive, try holding down the power button to force a restart.
- If the issue persists, you may need to adjust your power settings. Go to Start > Settings > System > Power & sleep > Additional power settings. Here, you can configure what action is triggered when you press the power button or close the lid.
If your PowerSpec computer is experiencing power issues or system-critical problems, you may need to boot it in Safe Mode. Safe Mode is a special way for Windows to load with minimal drivers and services, allowing you to isolate and troubleshoot problems. Here are the steps to boot your PowerSpec in Safe Mode:
- Press the Windows + I keys on your keyboard to open Settings. Alternatively, click Start and then select Settings.
- Click on Update & Security.
- On the left pane, select Recovery.
- Under Advanced Startup, click Restart Now.
- After your computer restarts, select Troubleshoot > Advanced Options > Startup Settings > Restart.
- A list of options will appear. Select 4 or F4 to start your computer in Safe Mode. If you need internet access, select 5 or F5 for Safe Mode with Networking.
These steps should allow you to boot your PowerSpec computer in Safe Mode, helping you diagnose and resolve any system issues.
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Change power settings
If your PowerSpec computer is not waking up from sleep mode, there are several steps you can take to change the power settings and troubleshoot the issue.
Firstly, check your sleep/hibernate settings and consider disabling the hibernate option. You can do this by going to Start > Settings > System > Power & Battery > Screen and Sleep. Here, you can adjust the length of time your device waits before turning off the screen and going to sleep when not in use. Make sure that your device is set to wake up from sleep mode by moving the mouse or pressing any key on the keyboard.
If your PowerSpec computer is still not waking up from sleep mode, you can try the following:
- Boot your computer in Safe Mode, which is a special way for Windows to load when there is a critical problem interfering with normal operation.
- Perform an SFC command to restore corrupted files.
- Open Device Manager from the Start menu, and ensure that the 'Allow this device to wake the computer' option is selected for both your keyboard and mouse.
If the issue persists, you may need to access the BIOS (Basic Input/Output System) on your PowerSpec computer. To do this, restart your PC and repeatedly press F2 while it is booting up. Once you are in the BIOS, look for the OC settings, which may be found under a Memory Force or OC tab. From here, you can adjust your memory profile and other settings.
If none of these steps resolve the issue, you may need to contact technical support or refer to specific PowerSpec community forums for further assistance.
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Check BIOS settings
BIOS, which stands for Basic Input/Output System, is a crucial component of your computer's hardware. It is responsible for initializing your computer's hardware components and acts as an interface between the operating system and the hardware. The BIOS is launched before the OS, requiring the user to provide a passcode before the OS and allowing most other hardware to start.
To enter the BIOS setup, you need to restart your computer and press a specific key during the boot process. The key you press depends on the manufacturer and can be F1, F2, F10, DEL, or ESC. It's important to press the correct key as soon as the manufacturer's logo appears, but before the operating system loads.
Once you are in the BIOS setup, you can modify various settings related to your computer's hardware and system configuration. For example, you can change the boot order to boot from a USB drive or DVD, or modify hardware parameters such as the keyboard and mouse.
In the context of waking your PowerSpec computer from sleep, you may need to adjust settings related to power management. For example, you can configure the "Allow this device to wake the computer" setting to ensure that your keyboard or mouse can wake the computer from sleep mode. Additionally, you can disable the hibernate option to prevent the computer from entering hibernation mode after prolonged sleep.
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Check hardware
If your PowerSpec computer is not waking up from sleep mode, there are several hardware checks you can perform to identify and resolve the issue.
Firstly, check your hardware connections by verifying that all cables are securely connected to your computer and peripherals. Loose connections can sometimes cause issues with sleep and hibernation modes.
If your computer has a dedicated power button, ensure it is functioning correctly. Try depressing the power button and checking if it returns to its original position smoothly. If the power button seems stuck or unresponsive, it may require repair or replacement.
Additionally, examine your hardware components for any signs of damage or malfunction. This includes checking your computer's fans, external hard drives, lights, and other peripherals. If you notice any unusual behaviour, such as fans spinning loudly or peripherals remaining active during sleep mode, this could indicate a hardware issue.
In some cases, the problem may lie with your motherboard or power supply. If your PowerSpec computer turns on but fails to boot properly, displaying only the PowerSpec splash screen, it could be due to a faulty motherboard or power supply unit. Consider trying a different power supply or seeking professional assistance to diagnose hardware issues.
For PowerSpec G478 computers, you can try the following steps:
- Go to 'Edit Power Plan' within the Control Panel.
- Select 'Change Advanced Power Settings'.
- Scroll down to 'Allow Hybrid Sleep' and turn it off.
- Disable 'Selective Suspending' under 'USB Settings'.
- Turn off 'Link State Power Management' under 'PCI Express'.
- Apply and save the changes.
- Reboot your computer and check if sleep mode is functioning properly.
If the issue persists, you may need to check your BIOS settings or consider updating your hardware drivers.
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Frequently asked questions
You can try the following: Go to 'Edit power plan' within the control panel, select 'Change advance power settings', turn off 'Allow hybrid sleep', disable 'selective suspending' under 'USB Settings', turn off 'link state power management' under 'PCI Express', apply and save the changes, and reboot your computer.
Open the BIOS by tapping F2 or DEL as the computer is starting up. If you see the Starting Windows screen, restart and try again. Select 'Advanced', then 'ACPI Configuration', then select either 'USB Keyboard/Remote Power On' or 'USB Mouse Power On' and disable it. Repeat for the other option. Press F10 and Enter to save changes and restart.
Try pressing the power button. If that doesn't work, you may need to force restart by holding the power button. If that also doesn't work, try turning the power bar off and on again.
Try booting the computer in Safe Mode. If that doesn't work, run an SFC command to restore corrupted files.
This could be due to a faulty power supply. Try using a different power supply to see if that resolves the issue.






















