Customer Ratings & Reviews

We are sorry to hear you are having this issue with your Lenovo Yoga C940. Your device should not be behaving in this manner. Can you please ensure you have the latest version of windows installed on your laptop and that the device drivers are up to date? You can easily accomplish this by scanning the computer with the Lenovo Utility software available on this computer. This system has Lenovo utilities installed to help maintain the health of the device and keep the operating system software up to date. Type "Lenovo Vantage" in the Cortana Search window (if Lenovo Vantage is not installed on your device, you can download the APP and install it now). Select Lenovo Vantage from the list. In the window that opens, click on "Health and Support". In the expanded menu, select "Hardware Scan” In the window that opens, select "Run Quick Tests". This will scan your entire system for errors. Follow any directions that may pop up. If the problem continues after this scan, now click on "System Update". First select Windows update from the menu. Scan your system to be sure you have the latest version of Windows 10. Once that scan is complete, select "Additional Updates". This will scan your device to be sure there are no new BIOS/Driver updates needed. Follow any instructions that may pop up. If the issue continues after these updates, we recommend you call Lenovo Tech Support at: 877-453-6686 for additional help.

Once again, thank you for choosing the Lenovo Yoga C940-14 4K model. We hope that the issue you were having with WiFi connectivity has since been corrected to your satisfaction. Always be sure to keep the latest version of Windows 10 on the computer, then update all of the BIOS files and drivers up to that latest version of Windows 10. You can easily accomplish this by scanning the computer with the Lenovo Utility software available on this computer. This system has Lenovo utilities installed to help maintain the health of the device and keep the operating system software up to date. Type "Lenovo Vantage" in the Cortana Search window (if Lenovo Vantage is not installed on your device, you can download the APP and install it now). Select Lenovo Vantage from the list. In the window that opens, click on "Health and Support". In the expanded menu, select "Hardware Scan" In the window that opens, select "Run Quick Tests". This will scan your entire system for errors. Follow any directions that may pop up. If the problem continues after this scan, now click on "System Update". First select Windows update from the menu. Scan your system to be sure you have the latest version of Windows 10. Once that scan is complete, select "Additional Updates". This will scan your device to be sure there are no new BIOS/Driver updates needed. Follow any instructions that may pop up. If the issue still continues after these updates, we recommend you call Lenovo Tech Support at: 877-453-6686 for additional help.

Thank you for choosing the Lenovo Yoga C940-14 4K model. We are pleased to hear that the features and performance of the Yoga C940-14 4K meets your computing needs so well. Every component of Yoga C940 was engineered with your experience in mind. That’s why The Yoga C940 offers the brilliant color and clarity of a 4K VESA-Certified Display HDR 400 edged with ultra-narrow bezels. At 500 nits brightness, it’s 50-percent brighter than standard SDR displays. You’ll enjoy amazing realism that's vivid, nuanced, and powerful. Capture your ideas the moment inspiration hits with a garaged digital pen. Featuring an in-body charging compartment, the Yoga C940 ensures you’ll never lose a thought—or your digital pen—again. The convertible hinge hides a powerful Dolby Atmos Speaker System that immerses you in 3D sound in every mode. Combined with two sets of speakers featuring powerful subwoofers, custom tweeters, and unique vibration buffers that reduce unwanted noise, your audio will sound bigger, deeper, and more accurate. Experience how the Yoga C940 embodies world-class craftsmanship, innovative solutions, and elevated design. Log into your Yoga C940 in less than two seconds with an integrated fingerprint reader. That’s three times faster than the average time it takes to type a password. Forget your password. Yoga is committed to protecting your privacy. Slide the Yoga C940’s TrueBlock Privacy Shutter closed for true peace of mind when you’re not using your webcam.

The Lenovo Yoga C940-14 4K Model number 81Q90041US, ships with a 4CELL_60WH_INTERNAL, Lithium Polymer Battery, with a battery life of up to 10 hours, depending on the work the device is performing. If you are getting substantially less battery life, Be sure any software you installed is compatible with Windows 10. There is no need to install Microsoft Office software. The software is already part of the operating system, you just need to activate the software with a purchased product key. If you have installed a copy of Microsoft Office, this is conflicting with the existing copy on the system and this will slow your system down. If you have installed a 3rd party anti-virus program, be sure that Windows Defender is turned off and that the trial version of McAfee Anti-Virus software is uninstalled. There can only be one anti-virus program on the system. You may need to restore your system to original factory default settings if any of the programming errors have occurred. You can do that by typing "restore" in the Cortana search window. Just click on the magnifying glass icon at the bottom left of your Windows 10 Desktop. Click on "Reset This PC" Then click on "Get Started" and follow the on screen directions to restore to factory defaults. If the problem persists, we recommend you contact Lenovo Tech Support at: 877-453-6686.

The Lenovo Yoga C940-14 4K model number 81Q90041US, ships with a 4CELL_60WH_INTERNAL, Lithium Polymer Battery, which within this configuration, has a battery life of up to 10 hours, depending on the work the device is performing. If you are getting substantially less battery life, first, set your screen brightness at less than 100-percent - try 80-percent to start with. Then, be sure Battery conservation Mode is turned off. This power management setting should only be used when the laptop is plugged in all the time. It will prolong overall battery life by only charging the battery to 60-percent of capacity. Here is a link to instructions for turning off Battery Conservation Mode: https://support.lenovo.com/us/en/solutions/ht103159. Also check what programs are running in the background on the computer. Be sure only the programs you want running in the background are. These programs will drain the battery. Here is a link to information about how to find out what programs are running in the background on your Windows 10 computer and how to manage them for better system performance: https://www.windowscentral.com/how-prevent-apps-running-background-windows-10. Then, finally, be sure any software you installed is compatible with Windows 10. Incompatible software will drain the battery at a faster rate. There is no need to install Microsoft Office software. The software is already part of the operating system, you just need to activate the software with a purchased product key. If you have installed a copy of Microsoft Office, this is conflicting with the existing copy on the system and this will slow your system down. If you have installed a 3rd party anti-virus program, be sure that Windows Defender is turned off and that the trial version of McAfee Anti-Virus software is uninstalled. There can only be one anti-virus program on the system. You may need to restore your system to original factory default settings if any of the programming errors have occurred. You can do that by typing "restore" in the Cortana search window. Just click on the magnifying glass icon at the bottom left of your Windows 10 Desktop. Click on "Reset This PC" Then click on "Get Started" and follow the on screen directions to restore to factory defaults. If the problem persists, we recommend you contact Lenovo Tech Support at: 877-453-6686.

Thank you for choosing the Lenovo Yoga C940-14 4K Model. We are pleased to hear that the features and performance of the Yoga C940-14 4K Model meets your computing needs so well. Every component of Yoga C940 was engineered with your experience in mind. That’s why The Yoga C940 offers the brilliant color and clarity of a 4K VESA-Certified Display HDR 400 edged with ultra-narrow bezels. At 500 nits brightness, it’s 50-percent brighter than standard SDR displays. You’ll enjoy amazing realism that's vivid, nuanced, and powerful. Capture your ideas the moment inspiration hits with a garaged digital pen. Featuring an in-body charging compartment, the Yoga C940 ensures you’ll never lose a thought—or your digital pen—again. The convertible hinge hides a powerful Dolby Atmos Speaker System that immerses you in 3D sound in every mode. Combined with two sets of speakers featuring powerful subwoofers, custom tweeters, and unique vibration buffers that reduce unwanted noise, your audio will sound bigger, deeper, and more accurate. Experience how the Yoga C940 embodies world-class craftsmanship, innovative solutions, and elevated design. Log into your Yoga C940 in less than two seconds with an integrated fingerprint reader. That’s three times faster than the average time it takes to type a password. Forget your password. Yoga is committed to protecting your privacy. Slide the Yoga C940’s TrueBlock Privacy Shutter closed for true peace of mind when you’re not using your webcam.

Thank you for choosing the Lenovo Yoga C940-14 4K model. We are pleased to hear that the features and performance of the Yoga C940-14 4K model meets your computing needs so well.

Thank you for choosing the Lenovo Yoga C940-14 4K Model. Every component of Yoga C940 was engineered with your experience in mind. That’s why The Yoga C940 offers the brilliant color and clarity of a 4K VESA-Certified Display HDR 400 edged with ultra-narrow bezels. At 500 nits brightness, it’s 50-percent brighter than standard SDR displays. You’ll enjoy amazing realism that's vivid, nuanced, and powerful. Capture your ideas the moment inspiration hits with a garaged digital pen. Featuring an in-body charging compartment, the Yoga C940 ensures you’ll never lose a thought—or your digital pen—again. The convertible hinge hides a powerful Dolby Atmos Speaker System that immerses you in 3D sound in every mode. Combined with two sets of speakers featuring powerful subwoofers, custom tweeters, and unique vibration buffers that reduce unwanted noise, your audio will sound bigger, deeper, and more accurate. Experience how the Yoga C940 embodies world-class craftsmanship, innovative solutions, and elevated design. Log into your Yoga C940 in less than two seconds with an integrated fingerprint reader. That’s three times faster than the average time it takes to type a password. Forget your password. Yoga is committed to protecting your privacy. Slide the Yoga C940’s TrueBlock Privacy Shutter closed for true peace of mind when you’re not using your webcam.

Once again, thank you for choosing the Lenovo Yoga C940-14 4K model. You can keep your computer running at its best by keeping the Windows 10 Operating System and all supporting BIOS files and drivers up to date. You can easily accomplish this by scanning the computer with the Lenovo Utility software available on this computer. This system has Lenovo utilities installed to help maintain the health of the device and keep the operating system software up to date. Type "Lenovo Vantage" in the Cortana Search window (if Lenovo Vantage is not installed on your device, you can download the APP and install it now). Select Lenovo Vantage from the list. In the window that opens, click on "Health and Support". In the expanded menu, select "Hardware Scan" In the window that opens, select "Run Quick Tests". This will scan your entire system for errors. Follow any directions that may pop up. If the problem continues after this scan, now click on "System Update". First select Windows update from the menu. Scan your system to be sure you have the latest version of Windows 10. Once that scan is complete, select "Additional Updates". This will scan your device to be sure there are no new BIOS/Driver updates needed. Follow any instructions that may pop up. If you ever need additional help with your Lenovo computer, we recommend you call Lenovo Tech Support at: 877-453-6686 for additional help.

Once again, thank you for choosing the Lenovo Yoga C940-14 4K model. You can keep your computer running at its best by keeping the Windows 10 Operating System and all supporting BIOS files and drivers up to date. You can easily accomplish this by scanning the computer with the Lenovo Utility software available on this computer. Just type "Lenovo Vantage" in the Cortana Search window (if Lenovo Vantage is not installed on your device, you can download the APP and install it now). Select Lenovo Vantage from the list. In the window that opens, click on "Health and Support". In the expanded menu, select "Hardware Scan" In the window that opens, select "Run Quick Tests". This will scan your entire system for errors. Follow any directions that may pop up. If the problem continues after this scan, now click on "System Update". First select Windows update from the menu. Scan your system to be sure you have the latest version of Windows 10. Once that scan is complete, select "Additional Updates". This will scan your device to be sure there are no new BIOS/Driver updates needed. Follow any instructions that may pop up. If you ever need additional help with your Lenovo computer, we recommend you call Lenovo Tech Support at: 877-453-6686 for additional help.

We are sorry to hear that you had an issue with a recent Windows 10 update. You can rollback Windows 10 updates if there is an issue. Here is a link to more information:  https://support.microsoft.com/en-us/windows/recovery-options-in-windows-10-31ce2444-7de3-818c-d626-e3b5a3024da5. If the update failure will not allow you to properly boot the computer to rollback the update, this system is equipped with OneKey Recovery System. There is a very small pin hole on the bottom left side of the device, right near bottom left corner of the cooling vent on the
device. You will need a pin to push this reset button. Plug the device in. Let the battery charge for about 15 minutes. Push the reset button. The system should boot to a choice screen where you can choose "Restore To Factory Default". Select this. It will delete everything from the hard drive except the original factory install of the operating system. You will need to reinstall all programs and files after the reset. If you don't have copies of the files, try to make one before you restore by selecting "Boot to desktop" and trying to back up your files. If the problem persists after the factory reset, we recommend you contact Lenovo Tech Support at: 877-453-6686.

Once again, thank you for choosing the Lenovo Yoga C940-14 4K model. You can keep your computer running at its best by keeping the Windows 10 Operating System and all supporting BIOS files and drivers up to date. You can easily accomplish this by scanning the computer with the Lenovo Utility software available on this computer. This system has Lenovo utilities installed to help maintain the health of the device and keep the operating system software up to date. Type "Lenovo Vantage" in the Cortana Search window (if Lenovo Vantage is not installed on your device, you can download the APP and install it now). Select Lenovo Vantage from the list. In the window that opens, click on "Health and Support". In the expanded menu, select "Hardware Scan" In the window that opens, select "Run Quick Tests". This will scan your entire system for errors. Follow any directions that may pop up. If the problem continues after this scan, now click on "System Update". First select Windows update from the menu. Scan your system to be sure you have the latest version of Windows 10. Once that scan is complete, select "Additional Updates". This will scan your device to be sure there are no new BIOS/Driver updates needed. Follow any instructions that may pop up. If you ever need additional help with your Lenovo computer, we recommend you call Lenovo Tech Support at: 877-453-6686 for additional help.