(English) User Guide - Lenovo A7/A5 Series
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... and Sound". 2. In "Tablet PC Settings" dialogue, click "Calibrate" button. select the speaker icon from the Settings Charm or click the arrow on screen. Troubleshooting Touch screen Problem: The touch screen reacts, but not where you are located less than one meter from the computer: refrigerators, ...on taskbar to see if any of the following devices are touching it. Check to show the hidden icons in Windows desktop mode, then click the speaker icon. Troubleshooting and problem resolution: 1. Move any headphones from the computer. 3. sound from the integrated speakers....
... and Sound". 2. In "Tablet PC Settings" dialogue, click "Calibrate" button. select the speaker icon from the Settings Charm or click the arrow on screen. Troubleshooting Touch screen Problem: The touch screen reacts, but not where you are located less than one meter from the computer: refrigerators, ...on taskbar to see if any of the following devices are touching it. Check to show the hidden icons in Windows desktop mode, then click the speaker icon. Troubleshooting and problem resolution: 1. Move any headphones from the computer. 3. sound from the integrated speakers....