Miya Pearson
If you're having trouble waking up your Lenovo 720 S from deep sleep, you're not alone. Several users have reported issues with their Lenovo laptops not waking up from sleep mode. This can be caused by various factors, such as outdated drivers, incorrect power settings, or hardware issues. In this article, we will explore some troubleshooting steps to help you resolve the issue and get your laptop up and running again. We will cover steps such as updating drivers, checking power settings, and performing hardware diagnostics to identify and fix the problem.
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What You'll Learn
Ensure the power button is working
If your Lenovo 720s is not waking up from sleep mode, there could be a problem with the power button. Here are some steps to help you ensure that the power button is working:
Firstly, check if the power button is physically damaged. Over time, the power button may become stuck, broken, or worn out, making it difficult to register your clicks. Inspect the button for any visible signs of damage or abnormality. If the power button appears to be damaged, you may need to consider repairing or replacing it.
Next, try pressing the power button multiple times, holding it down for a few seconds each time. Observe if there is any response from the laptop, such as the power light turning on or the fan spinning. If there is still no response, try holding the power button down for an extended period, approximately 20 seconds, to perform a hard shutdown. This will force the laptop to turn off, and you can then try powering it back on to see if it responds.
Another way to test the power button is to boot your Lenovo 720s into BIOS mode. To do this, press and hold the power button for about 1-2 minutes. This should force the laptop to boot into BIOS, and you can then navigate through the BIOS menu to check if the power button is functional.
Additionally, ensure that your Lenovo 720s is running on the latest BIOS version. An outdated BIOS could cause issues with the power button's functionality. Visit the official Lenovo support website to download and install the latest BIOS update for your specific model.
If none of these steps resolve the issue, the power button may be defective or there could be an underlying hardware or software problem. In such cases, it is recommended to seek further assistance from Lenovo support or a professional technician.
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Update drivers
Updating drivers is an important part of keeping your Lenovo Yoga 720 laptop running smoothly. Here are some detailed instructions on how to update your drivers:
First, it is important to identify which drivers you need to update. You can do this by opening the Device Manager and looking for any devices with a yellow exclamation mark, which indicates a problem with the driver. You can also use third-party software, such as the program recommended by a user on Reddit, http://www.driversfree.org/en/, which scans your machine and identifies which drivers need to be updated.
Once you have identified the drivers that need to be updated, you can download and install the updated drivers. It is recommended to download drivers directly from the manufacturer's website or from the Lenovo website. For example, if you need to update your NVIDIA graphics driver, you can download it directly from the NVIDIA website. You can also check the Lenovo website for specific patches and updates, but some users have found that these drivers can be outdated.
In some cases, you may need to manually install a driver. This can be done by going to the Device Manager, right-clicking on the device, and selecting "Update Driver". You can then browse your computer for the driver software that you downloaded and install it.
It is worth noting that some users have reported issues with the Lenovo Vantage app, stating that it can be "bloaty" and run unnecessary background services. However, others have found it useful for BIOS updates. Therefore, it is recommended to check for updates through Vantage occasionally.
By following these steps, you can keep your Lenovo Yoga 720's drivers up to date and ensure optimal performance.
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Check mains lead is unplugged
If your Lenovo 720 S laptop is in a deep sleep and won't wake up, one possible solution is to check that the mains lead is unplugged. This may seem counterintuitive, but according to a Lenovo forum, the laptop may not wake up properly if the mains lead is plugged in. Therefore, it is recommended to unplug the mains lead before attempting to wake the laptop.
To check if the mains lead is unplugged, follow these steps:
- Locate the mains lead: The mains lead is the power cable that connects your laptop to a power source, typically an electrical outlet or a power strip.
- Visually inspect the connection: Follow the power cable from your laptop to the power source. Ensure that the connection between the power cable and the power source is secure and intact.
- Verify the power source: Confirm that the power source is functioning properly. Check if there are any indicators, such as lights or displays, on the power source that show it is turned on and providing power.
- Feel the power adapter: If your power adapter has a brick or a box along the cable, touch it to see if it feels warm or hot to the touch. A warm adapter indicates that power is flowing through it, while a cool adapter may suggest that it is not connected properly or the power source is not functioning.
- Test the outlet: If you're plugged into an electrical outlet, try plugging in another device or appliance to ensure the outlet is working. Alternatively, you can use a voltage tester to check if the outlet is supplying power.
If you have confirmed that the mains lead is unplugged or that the power source is functioning properly, and your Lenovo 720 S still doesn't wake up, there may be other factors or issues at play. Some users have suggested that updating drivers or performing a hard shut-down and restarting the laptop may help in such cases.
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Disable hibernate mode
If you're having trouble waking your Lenovo 720 S from sleep mode, one possible solution is to disable hibernate mode. Here are the steps you can take to disable hibernate mode and prevent your device from entering deep sleep:
Step 1: Check Power Settings
Start by checking your power settings to see if hibernate mode is currently enabled. Go to your power options and look for the "Hibernate" setting. If it's not visible, you may need to click on "Choose what the power buttons do" or "Choose what the power buttons and lid do" and ensure that the "Hibernate: Show in power options" setting is enabled.
Step 2: Disable Hibernate
If hibernate mode is enabled, you can disable it by following these steps:
- Right-Click Start Menu: Right-click on the Start button, typically found in the bottom-left corner of your screen.
- Power Options: Select "Power Options" from the menu that appears.
- Choose your Power Plan: Click on "Choose a power plan" or "Additional power settings" in the new window.
- Change Advanced Power Settings: Locate and click on the "Change advanced power settings" option.
- Expand Power Options: In the new window, find and expand the "Sleep" or "Sleep/Hibernate" option.
- Disable Hibernate: Now, you should see the "Hibernate after" setting. Set the value to "Never," effectively disabling hibernate mode.
Additional Tips:
- Update BIOS: Check if there is an updated version of BIOS available on the Lenovo support website and install it if necessary.
- Install Drivers from Lenovo Website: Ensure that you are installing drivers directly from the official Lenovo support website. Drivers from other sources may interfere with your laptop's normal operation.
- Unplug Mains Lead: According to some users, the laptop may not wake up properly if the mains lead is plugged in. Try unplugging the power cord before attempting to wake your device from sleep mode.
- Use Novo Button: If holding down the power button doesn't work, try using the Novo button to access the BIOS setup utility and troubleshoot the issue.
Disabling hibernate mode and trying these additional tips should help you wake your Lenovo 720 S from deep sleep mode more reliably.
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Check for hardware issues
If your Lenovo 720 S laptop is not waking up from deep sleep, there could be a few hardware issues at play. Here are some steps to check for and address potential hardware problems:
- Ensure that the power button is functioning correctly: Try pressing the power button to see if the laptop responds. Observe the power light – if it is glowing on and off, it indicates that the laptop is in sleep mode. However, if pressing the power button does not wake the laptop, there might be an issue with the power button itself or the underlying hardware that controls power functions.
- Check for loose connections: Sometimes, a laptop may not wake up due to loose hardware connections. Check if any cables, such as the power cord or internal connectors, are loose or disconnected. If you're comfortable opening up your laptop, you can check for loose connections inside, but proceed with caution as this may void your warranty.
- Verify the screen is functional: It is possible that your Lenovo 720 S is waking up, but the screen is not displaying an image. To check this, try connecting your laptop to an external monitor or TV via HDMI or VGA cable. If the external display works, your laptop's screen might be faulty.
- Disconnect peripherals: Certain peripherals, such as USB devices or external storage drives, can sometimes interfere with a laptop's sleep and wake functions. Disconnect any non-essential peripherals and then try to wake your laptop. If it wakes up successfully, reconnect the peripherals one by one to identify the culprit.
- Check the battery: If your laptop's battery is not functioning properly, it may prevent the laptop from waking up. Try plugging in the power adapter and charging the battery. If the battery is swollen or damaged, it may need to be replaced by an authorized service center.
- BIOS and driver updates: Outdated BIOS or drivers can cause issues with sleep and wake functions. Visit the official Lenovo support website to download and install the latest BIOS version and drivers for your specific Lenovo 720 S model.
If none of these hardware checks resolve the issue, the problem may lie with your laptop's software or operating system. In such cases, you may need to perform a fresh Windows installation or seek further technical support from Lenovo.
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Frequently asked questions
Try unplugging the mains lead from your laptop and then waking it up. If this doesn't work, you can try updating your drivers by going to the Lenovo website and performing a scan to indicate which drivers need updating.
You can try disabling hibernate mode or turning off Hybrid sleep.
You may need to perform a hard shut-down by holding the power button for 20 seconds to turn off and drain power, or by using the Novo button.
