Customer Ratings & Reviews

The Lenovo Yoga C940-14 4K model is configured to be used either as a laptop or a tablet without overheating. The heat generated is based on system workloads. Check for unwanted programs running the background if the computer feels warmer than it should based on the current system workloads. 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. Also, 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.

Thank you for choosing the Lenovo Yoga C940-14 4K model. We are pleased to hear that the ease of use 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.

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 value, 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.

Thank you for choosing the Lenovo Yoga C940-14 4K model. We are pleased to hear that the cutting edge 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.

The Lenovo Yoga C940-14 4K Model 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. To maximize battery life, first adjust your battery saver settings. Here is a link to instruction for doing this in Windows 10:  https://www.digitalcitizen.life/how-use-configure-battery-saver-windows-10. Next, to maximize battery life, be sure there are no unwanted programs running in the background, draining the battery. Here is a link to some tips for finding out what is draining your battery:
https://www.laptopmag.com/articles/battery-saver-windows-10. Also, to maximize battery life, try changing your power management setting to a more conservative one. You can do this in the control panel, in the power management category on your system. Select a more conservative power management setting to extend battery life. Finally, if the battery life does not improve, a battery reset may help. Here is a link to instructions for reconditioning a non-removable battery, using the Battery Management Software installed on the computer. If you need further assistance, we recommend you call Lenovo Tech Support at: 877-453-6686. Here is the link: https://windowsreport.com/laptop-battery-not-charging-windows-10/

We are sorry to hear that you had issues with your Lenovo Yoga C940 14 4K model. During initial setup, Windows 10 will download and install updates. This increased the system workload and will necessarily cause the internal fan to run and maintain proper operating temperatures. During these heavy workload periods, the computer may feel warm to the touch, this is normal. If the fan continues to run for longer than expected, we recommend you call Lenovo Tech Support for more help 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. 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.

We are sorry to hear that you are having issues with the built in dual array microphone within your Lenovo Yoga C940-14 4K model. You can keep your Yoga C940-14 4K model running at its best by keeping all Operating System software, the 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 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 should not overheat when using compatible software. 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. You can also use Lenovo Q-Control to manually control fan and system performance, which will affect the heat generated: ( Fn + Q ) option to change the fan by undervolting the processor. If the issue continues, we recommend you call Lenovo Tech Support at: 877-453-6686.

Hello, we are sorry to hear you are experiencing an issue with the heat on your Lenovo Yoga C940. We recommend reaching out to customer support at 877-453-6686

The Lenovo Yoga C940-14 4K Model ships with two Thunderbolt ports with video out capability. If you need to connect a monitor with HDMI only connections, you can do this by using a Thunderbolt to HDMI adapter. You can also connect the Yoga C940-14 to an ethernet cable by using a USB to ethernet adapter. 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 - With the 4K screen operational. If you are only getting 3 hours of battery life, first be sure you haven't turned on Battery Conservation Mode rather than Battery Saver mode. Battery Conservation Mode is to be used when the laptop will be plugged in all the time. This software will only charge the battery to 60-percent capacity, in an effort to prolong overall battery life when the laptop is plugged in all the time. If you have not turned on Battery Conservation Mode, then, 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.