Evie Summers
If your laptop won't wake up from sleep mode, there are several potential fixes. Firstly, try long-pressing the power button to force a shutdown, then power it on again. If that doesn't work, you could try disconnecting the battery from the motherboard, or plugging in an external keyboard and pressing num lock to check if the BIOS loaded successfully. You could also try updating your BIOS, but this carries certain risks, such as the computer freezing if the model of the upgraded BIOS installation file is different from the motherboard model.
Characteristics and Values
| Characteristics | Values |
|---|---|
| Cause | Outdated BIOS, incorrect power management settings, faulty power button, water damage, corrupted graphics driver, incorrect device drivers, etc. |
| Fixes | Update BIOS, change power settings, disconnect and reconnect battery, replace power button, disconnect and reconnect RAM, connect to external monitor/keyboard, update device drivers, etc. |
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What You'll Learn
Try updating your BIOS settings
If your laptop is stuck in sleep mode, there are several troubleshooting steps you can take to resolve the issue. Updating your BIOS settings is one of the potential solutions. Here is a detailed guide to help you with the process:
Identify the Need for a BIOS Update
Before updating your BIOS settings, it is essential to determine if a BIOS update is necessary. Outdated or corrupt BIOS settings can cause issues with your laptop's sleep and wake functions. Check if your BIOS drivers are up-to-date, and if they are not, proceed to update them. Additionally, ensure that your chipset drivers are current, as they are among the most important drivers for your system.
Access the BIOS Settings
To update your BIOS settings, you need to access the BIOS menu. This can be done by powering on your computer and pressing a specific key during the boot process. The key varies depending on the manufacturer; for Dell computers, it is often the F2 key. Pressing the correct key at the right time will allow you to enter the BIOS menu.
Navigate to Power Management Settings
Once you are in the BIOS menu, locate the Power Management section. This section may be nested within other categories, so look for a "Power" or "Advanced" tab first. Within the Power Management settings, you will find various options related to your laptop's power states.
Enable USB Wake Support
In the Power Management settings, look for an option called USB Wake Support. This setting allows your laptop to wake up from sleep mode when specific USB devices are connected. Ensure that this setting is enabled by checking the appropriate box or changing the value to "Enabled."
Disable Block Sleep Option (Deep Sleep Control)
If your laptop is a desktop computer, look for the Block Sleep Option or Deep Sleep Control. This setting puts your laptop into a deeper sleep state, which may cause issues with waking up. Disable this option if it is enabled. Laptop computers may not have this setting, as it is typically only available for desktop computers.
Apply Changes and Exit
After making the necessary changes, be sure to click "Apply" or "Save" to store your new settings. Then, exit the BIOS menu. Your laptop will likely restart as it exits the BIOS.
It is important to note that updating your BIOS settings should be done carefully, as incorrect changes can cause issues. Always follow manufacturer instructions, and if you are unsure, seek technical support.
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Check your power management settings
If your laptop won't wake up from sleep mode, you may need to check and adjust your power management settings. Here are some steps you can take:
Firstly, try long-pressing the power button to force your laptop to shut down, then press the power button again to restart it. This simple action can sometimes resolve the issue.
If your laptop still won't wake up, you can try adjusting the power settings. On your keyboard, simultaneously press the Windows logo key and the 'R' key. Then, copy and paste "powercfg.cpl" into the box and click OK. From there, click on "Choose what the power buttons do", followed by "Change settings that are currently unavailable". Make sure the box before "Turn on fast startup" is unchecked, then click "Save changes" and close the window. This should prevent your laptop from getting stuck in sleep mode.
You can also enable your keyboard and mouse to wake up your laptop from sleep mode. To do this, press the Windows logo key and 'R' at the same time, then type "devmgmt.msc" into the box and press Enter. Double-click on "Keyboards", click on your keyboard device, and then click on "Power Management". Check the box next to "Allow this device to wake the computer" and then click OK. Repeat this process for your mouse.
Additionally, you can try disabling the "App Readiness" service, which prepares apps when you first log in or add new apps. This service has been known to cause the "black screen after sleep" issue on some laptops. To disable it, open "Services" using the Windows search box, find and double-click on "App Readiness", and choose the "Disabled" option for the startup type. Click "Apply" and then "OK" to save the changes.
If none of these solutions work, you may need to update your BIOS. An outdated BIOS can sometimes prevent your laptop from waking up from sleep mode. However, updating the BIOS carries certain risks, so it is recommended that you carefully consider this option and ensure a stable power supply during the process.
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Disconnect the battery from the motherboard
If your laptop is stuck in sleep mode, there are several fixes you can try. Firstly, ensure that your laptop is not plugged into an external power source, as this may be preventing it from waking up. You can also try changing the power settings in Windows to prevent the laptop from going into sleep mode when plugged in.
If these initial steps do not work, you may need to disconnect the battery from the motherboard. Here is a step-by-step guide:
- Power off your laptop and unplug it from any power sources.
- Open the laptop case to access the internal components. Be careful not to touch any other sensitive components or cables.
- Locate the battery and disconnect it from the motherboard. The battery should be easy to identify as it is often labelled and has clear cables connecting it to the motherboard.
- Once the battery is disconnected, hold down the power button on your laptop for at least 15 seconds to discharge any remaining power.
- Reconnect the battery to the motherboard and ensure that all cables are securely attached.
- Close the laptop case and plug the laptop back into a power source.
- Turn on your laptop and check if it is now able to wake up from sleep mode.
Disconnecting the battery from the motherboard can be an effective way to reset the power functions of your laptop. However, it is important to exercise caution when handling internal laptop components to avoid any accidental damage. If you are uncomfortable performing this procedure, it is recommended to seek professional assistance from a laptop repair service or technician.
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Update your device drivers
If your laptop is stuck in sleep mode, it may be time to update your device drivers. Drivers are software that enables communication between Windows and your hardware. All sorts of components use drivers, including graphics cards, webcams, motherboards, and USB devices.
To update your device drivers, you'll first need to find out what drivers you have and which company produces them. Then, head to the manufacturer's website and look for the driver section, usually under "Downloads" or "Support". Some providers, like AMD and NVIDIA, have tools that can scan your system and detect which driver you need. Most drivers come as executables that update what's necessary when run.
If you're using Windows, you can use Device Manager to install your drivers. Press Windows key + X and select Device Manager. This will show all your devices split by category (like Disk drives, Monitors, and Printers). Double-click a category to expand it and see the devices within. Right-click a device and click Update driver. Click "Browse my computer for drivers", then click Browse and navigate to the folder where you downloaded the driver. Click Next and follow the wizard to completion.
If you're specifically looking to update your graphics drivers, you can use Windows Update or Device Manager to update drivers for integrated GPUs from AMD and Intel. If you have a discrete Nvidia or AMD GPU, you can use GeForce Experience or AMD Software to update drivers easily or manually download drivers from the manufacturer's site. Updating your graphics card driver to the latest version can help fix issues with your computer's display resolution, games, and overall graphics performance.
Additionally, if you're having issues with your USB devices, it's important to keep your USB drivers up to date. Outdated USB drivers can cause functional challenges and leave your system vulnerable to security risks. By updating your USB drivers, you can enhance performance and compatibility, allowing your USB devices to function optimally with your Windows PC.
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Check for water damage
If your laptop is not waking up from sleep mode, it could be due to water damage. Water damage can cause laptops to malfunction in several ways, and it is often difficult to repair.
Firstly, check for any signs of water damage. Look for any signs of liquid on the laptop keyboard, trackpad, or around the edges of the laptop. If you notice any liquid, turn off your laptop immediately and unplug it from the power source. Place the laptop upside down with the screen open to dry for at least 24 hours. You can also use a fan to speed up the drying process.
If the laptop has already dried, or if you cannot see any liquid, inspect the internal components for any signs of water damage. Remove the back cover of the laptop and check for any discoloration, residue, or corrosion on the motherboard, connectors, and other internal components. Any white or green residue is a good indicator of water damage. Additionally, check for any stickiness or reduced responsiveness on the trackpad, as this could be caused by water damage.
If your laptop has a water detection sticker, check if it has changed colour. This will confirm that the laptop has been exposed to moisture. Many laptops, including Apple MacBook Pros, also have built-in water indicators that can be checked by a professional to determine if the device has come into contact with water.
If you suspect water damage, it is recommended to seek professional help as soon as possible. Do not attempt to repair the laptop yourself, as improper methods can further damage the sensitive internal components.
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Frequently asked questions
There are several reasons why your laptop won't wake up from sleep mode. It could be due to outdated or corrupted device drivers, incorrect power management settings, or an outdated BIOS.
You can update your device drivers manually or use a tool like Driver Easy to automatically recognise and install the correct drivers for your system.
You can try disabling the fast startup and hibernation features in your power options. Additionally, ensure that the "Allow hybrid sleep" setting is turned off, and "Allow wake timers" is enabled.
You can try updating your BIOS, but be cautious as there are risks involved. Ensure that your motherboard model and the upgraded BIOS installation file match, and that there is a sufficient power supply during the process.
Yes, try long-pressing the power button to force a shutdown, then power it on again. Alternatively, connect an external keyboard and keep pressing Num Lock – if the light turns on, it could be a screen issue.
