User Guide for Lenovo models including: MT8166 Tab M7 3rd Gen 7 Inch HD Tablet, MT8166, Tab M7 3rd Gen 7 Inch HD Tablet, 7 Inch HD Tablet, HD Tablet, Tablet
Lenovo Tab M7 (3rd Gen) 7 Inch HD Tablet – ( MediaTek MT8166, Octa-Core 2.0GHz, 2GB RAM, 32GB eMMC, Android Pie) – Iron Grey : Computers & Accessories
Troubleshooting Steps. Audio and Microphone. Unable to hear sound during calls - Android tablet ... System cannot enter operating system, but appears to ...
Troubleshooting Steps Audio and Microphone Unable to hear sound during calls - Android tablet Use the following steps to increase the volume and check other sound options. 1. Check if the volume is low. To increase the volume, press the volume up button. 2. Also, check the volume in the Sound options. Select Settings. 3. Select Sound. 4. Change the volume (move the blue slider to the right to increase the volume). 5. Make sure the tablet is not muted. From the tablet's home page, swipe down from the top to reveal the Control Center, then tap on the mute icon to enable or disable mute. The following image is from a tablet that is not muted. 6. If the sound issue occurs when using a specific application, make sure the app sound is turned on. Resolved Not resolved Battery Cannot charge the battery - Android tablet Press and hold the power button for no less than 20 seconds. If necessary, repeat the process. Battery Cannot charge the battery - Android tablet Connect the adapter and USB cable to charge the tablet. Wait for two minutes and check if the charging indicator is showing on the screen. If the indicator is displayed, wait for the tablet to charge for another 30 minutes. Boot and common issues Stuck on Lenovo Logo Screen - Android tablet Does the tablet USB port have a loose contact? Connect the adapter and USB cable to charge the tablet. Wait for 2 minutes. Is there a charging indicator on the LCD? Boot and common issues Stuck on Lenovo Logo Screen - Android tablet Check one of the following: 1. System cannot enter operating system and there is no display backlight (no response after pressing power button). 2. System cannot enter operating system, but appears to power on (display backlight is on). Camera Rear Camera Not Working - Android tablet Check the User Guide to make sure the tablet has a camera. For information on finding the User Guide, see How To Find And View Manuals For Lenovo Products. Make sure the camera is not disabled. 1. Go to Settings. 2. Select Apps & notifications. 3. Find the Camera app. If the app is not visible, expand all apps. 4. Select Camera. 5. Check the Disable option. If the option is gray, the camera is enabled. Camera Rear Camera Not Working - Android tablet Check the User Guide to make sure the tablet has a camera. For information on finding the User Guide, see How To Find And View Manuals For Lenovo Products. Make sure the camera is not disabled. 1. Go to Settings. 2. Select Apps & notifications. 3. Find the Camera app. If the app is not visible, expand all apps. 4. Select Camera. 5. Check the Disable option. If the option is gray, the camera is enabled. Display Screen not responding to more than one point of contact at the same time - Android tablet The screen may dim before timing out. Try changing the time out settings. 1. Select Settings. 2. Select Display. 3. Select Sleep. 4. Change the time out to a preferred time. Display Screen not responding to more than one point of contact at the same time - Android tablet Check if the lines are from the wallpaper. Try changing the wallpaper to a solid color, such as white, black, or red. Then check whether the lines are gone. Use the following steps: 1. Select Settings. 2. Select Display. 3. Select Wallpaper. 4. Select a wallpaper with a solid color. 5. Select Set wallpaper to keep the wallpaper. Display Screen not responding to more than one point of contact at the same time - Android tablet Try charging the battery. 1. Charge the tablet for at least two minutes, then turn it on. 2. On the home screen, swipe down from the top to access Quick Settings. 3. The battery status can be viewed on the top right corner of the Quick Settings. The battery status can also be viewed from Settings. 1. Select Settings. 2. Select Battery. 3. Check the Battery information. Display Screen not responding to more than one point of contact at the same time - Android tablet A diagnostic of the display will help check if the display is in good condition. Use the following steps to run display diagnostics under Factory Reset and Hardware Diagnostics Mode. 1. Power on the tablet and wait until the Home screen shows up. 2. At the highest volume, press and hold the volume up key for 10 seconds to enter Factory Reset and Hardware Diagnostics Mode. 3. Tap the Diagnostics icon. 4. Select Display to start the function test. 5. A Window will pop up. Click Test to begin the test. The tablet screen will turn red, green, and blue. Display Screen not responding to more than one point of contact at the same time - Android tablet A factory reset may help in some cases. Before doing a reset, back up personal data from the tablet to the PC via a USB cable. As an alternative option, use an SD card or remote network. 1. Power on the tablet and connect the device to the PC through the USB data cable. 2. On the tablet screen, swipe down from the top and access Quick Settings. 3. Select Charging this device via USB option. 4. Select File Transfer. For some models, select Media device (MTP). 5. On the computer, select the device in My Computer or This PC. Open Internal shared storage. 6. Choose the files and folders to transfer onto the computer. For an alternative backup solution: Backup to Google server Backup through USB cable, Cloud storage or Bluetooth Network and Bluetooth Cannot connect to Bluetooth - Android tablet Make sure the Bluetooth function in the tablet is enabled. 1. Go to Settings. 2. Select Connected devices. 3. Select Connection preferences. 4. Select Bluetooth. Note: The location may differ based on the Android version. 5. Tap the Bluetooth slider to turn on Bluetooth. The tablet will search for nearby Bluetooth devices. Select the device to connect. 6. Make sure the Bluetooth device (such as a speaker) is powered on and in pairing mode. Check the Bluetooth device's user guide for instructions.Microsoft: Print To PDF