Colin Snow
If your laptop won't wake up from sleep mode, there are several fixes you can try. Firstly, try long-pressing the power button to force a shutdown, then power it on again. You can also try connecting an external keyboard and keep pressing num lock — if the light comes on, it's likely a screen problem. Another solution is to disable fast startup, which can interfere with the boot-up process. If the issue persists, you may need to update your BIOS, but this should be done carefully as it carries certain risks.
Characteristics and Values
| Characteristics | Values |
|---|---|
| Cause | Outdated BIOS, incorrect power management settings, faulty RAM, water damage, corrupted graphics driver, incorrect device drivers, faulty power button |
| Fix | Update BIOS, change power settings, replace RAM, disconnect and reconnect battery, update device drivers, replace power button |
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What You'll Learn
Outdated BIOS
If your laptop is not waking up from sleep mode, it could be due to an outdated BIOS. BIOS, which stands for Basic Input/Output System, is a firmware responsible for hardware initialization and providing runtime services for your laptop's operating system.
- Update your BIOS: This is often recommended as a fix for sleep mode issues. Before updating, ensure that BitLocker is suspended if it is enabled on your laptop. Flashing the BIOS without suspending BitLocker can lead to issues with your laptop's ability to recognize the BitLocker key.
- Restart and Test: After updating the BIOS, restart your laptop and test if it can enter sleep mode and wake up successfully.
- Change BIOS Settings: If updating the BIOS does not resolve the issue, you may need to change the BIOS settings. Power on your laptop and press the F2 key (or a similar key, depending on your laptop model) at the logo screen to enter the BIOS menu. Navigate to the Power Management section, select USB Wake Support, and ensure it is enabled. Additionally, if your laptop is a desktop model, you may need to disable the Block Sleep Option or Deep Sleep Control.
- Adjust Power Options: In addition to updating and configuring the BIOS, you may need to adjust the Power Options in Windows. Search for "Power Options" in the Start Menu and make the necessary changes.
By following these steps, you can address an outdated BIOS and potentially resolve the issue of your laptop not waking up from sleep mode.
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Faulty power button
If your laptop won't wake up from sleep mode, a faulty power button could be the culprit. Here are some potential solutions to fix the issue:
Troubleshooting Steps:
- Check for physical damage: Inspect the power button for any signs of damage, such as a broken button or loose connection. If the power button is physically damaged, it may need to be replaced.
- Update BIOS and chipset driver: According to Dell's support page, updating the BIOS and chipset driver can help resolve issues related to computers that won't wake up from sleep mode. Make sure to follow the instructions provided by your laptop manufacturer to update the BIOS safely.
- Adjust power settings: Open the Control Panel and navigate to "Power Options." Click on "Choose what the power buttons do" and then select "Change settings that are currently unavailable." Ensure that the "Turn on fast startup" option is disabled.
- Disable "wake on pattern match": In some cases, the "wake on pattern match" feature may cause the laptop to wake up unexpectedly. Try disabling this feature in the Device Manager by locating the network adapter, right-clicking on it, selecting "Properties," and then disabling "wake on pattern match" under the "Power Management" tab.
- Connect an external keyboard: Try connecting an external keyboard to your laptop and press the power button on the keyboard to wake it up. If this works, the issue may be related to a faulty power button.
- Hard shut down: If none of the above solutions work, perform a "Hard Shut Down" by pressing and holding the power button until the laptop turns off. This will force the laptop to shut down, but you will lose any unsaved work or data.
If the issue persists, it is recommended to seek professional assistance or contact your laptop manufacturer's support services for further guidance.
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Corrupted graphics driver
If your laptop won't wake up from sleep mode, it could be due to a corrupted graphics driver. Here are some steps you can take to try and fix this issue:
Firstly, try some basic troubleshooting steps. Ensure your laptop is unplugged, then hold down the power button to shut it off. Once it's shut off, plug it back in and turn it on. If this doesn't work, you can try connecting an external keyboard and pressing the 'num lock' key. If the 'num lock' light turns on, it indicates that the BIOS loaded successfully, and you may have a screen problem. Another option is to connect your laptop to an external monitor to see if that helps.
If these initial steps don't work, the issue could be related to your graphics driver. To address this, you'll need to uninstall the current driver and install the official driver from your computer manufacturer. Here's how you can do this:
- Open the Device Manager by pressing the Windows key + X, then selecting Device Manager.
- Expand the Display Adapters section.
- Find the Intel Graphics Driver in the list (it may also be called the Intel® Graphics Media Accelerator Driver or Intel® GMA Driver).
- Right-click on the Intel Graphics Driver and select Uninstall.
- Make sure to select the "Delete the driver software for this device" checkbox, then restart your computer.
- After restarting, install the official driver from your computer manufacturer. You may need to contact their support team for the correct driver and installation instructions.
It's important to note that Windows auto-update may sometimes overwrite the official driver and revert it back to Intel's drivers. To avoid this, turn off automatic updates and do not select to update your graphics driver when available. If this happens, simply repeat the process of uninstalling the Intel driver and reinstalling the official driver.
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Water damage
If your laptop won't wake up from sleep mode, it could be due to various reasons, including water damage. Water damage to a laptop can occur without your knowledge, as small amounts of water or liquid can enter the device subtly and cause corrosion over time. Here are some steps to identify and address water damage as a potential cause:
Identify Water Damage:
- Inspect your laptop for any signs of liquid intrusion, such as corrosion or discolouration on the hardware components.
- Look for any indicators of liquid exposure, such as water stains or residue around the keyboard, ports, or vents.
- If you have access to the internal components, carefully examine them for any signs of corrosion or damage.
Address Water Damage:
- If you find evidence of water damage, the first step is to disconnect the laptop from any power source and turn it off.
- Remove the battery if possible, as it can retain viciousness and affect the laptop's ability to turn on even when plugged in.
- Allow the laptop to dry completely. You can use a hairdryer on a low setting to speed up the drying process, but be cautious to avoid overheating the components.
- Once dry, reconnect the battery and attempt to turn on the laptop.
Additional Troubleshooting:
- If the issue persists, you can try resetting the BIOS to default settings. To do this, access the BIOS setup screen by pressing and holding the F2 key while powering on the device.
- In the BIOS setup screen, ensure that the "Allow this device to wake the computer" option is enabled. This setting can usually be found under the Power Management tab.
- If the problem continues, consider updating your BIOS to the latest version.
- If none of these steps resolve the issue, it may be necessary to seek professional assistance from a laptop repair service or technician.
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Fast startup enabled
If your laptop is stuck in sleep mode, it could be because of the fast startup feature. Fast startup, a feature first introduced in Windows 8 as Fast Boot and carried over to Windows 10, allows your PC to start up more quickly. It does this by saving the operating system's state to a hibernation file. However, this feature may sometimes interfere with other functionalities, prompting users to disable it.
With fast startup enabled, choosing to shut down your PC might seem like a complete shutdown, but in reality, your PC is entering a mix between a shutdown and hibernation. This means that while your PC will appear to be off, there will be a saved hibernation file ready to be used to boot back to where you were during your last user session.
To disable fast startup, follow these steps: Right-click the Start button, then click Search. Type Control Panel and hit Enter on your keyboard. Click Power Options, then click Choose what the power buttons do. Click Change settings that are currently unavailable, then click Choose what the power buttons do again. Finally, click Turn on fast startup (recommended) so that the checkmark disappears, and click Save changes.
If you want to re-enable fast startup, simply repeat the steps so that a checkmark appears next to Turn on fast startup. Alternatively, if you're more concerned with device storage and not how fast startup may impact your laptop's performance, you can also change the size of the stored hibernation file.
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Frequently asked questions
There could be several reasons why your laptop won't wake up from sleep mode. Firstly, check if your keyboard or mouse has been prevented from waking up your laptop. You can enable this setting by pressing the Windows logo key and "R" simultaneously, typing "devmgmt.msc", and then navigating to "Power Management" to check the relevant box.
Try connecting an external keyboard and keep pressing "Num Lock". If the "Num Lock" light turns on, it means the BIOS loaded successfully, and your original keyboard might be faulty.
The problem could be due to outdated or corrupted device drivers. You can update your drivers manually or use a program such as Driver Easy to automate this process.
Try disabling the "Fast Startup" feature in Windows. Additionally, you can try updating your BIOS, but this carries certain risks, such as freezing your computer if the BIOS installation file is incompatible with your motherboard model.
