Turn the device off, wait a few seconds, and then turn it back on again. This process will clear out any software errors that are causing the touchscreen to malfunction. If the touchscreen still doesn't work, remove the device's battery, if possible, wait ten seconds and then put it back in. Step 2. Quickly press and release the volume up button. Quickly press and release the volume down button. Press and hold the side button until the screen goes black. When the screen goes black, press and hold the volume down button while continuing to press and hold the side button. Hold both buttons for five seconds. Step 1: Check your phone's screen. Important: After you try each recommended solution, check to find whether it fixed your issue. Make sure that your screen isn't cracked, chipped, or damaged. If you have a case or screen protector, take it off. If you're wearing gloves, take them off. waxtrax242 said: I have a 2015 Camry SE that's not responding to touch in certain areas and there's even a Technical Service Bulletin (TSB-0172-16) from Toyota. My local service manager updated my firmware for free, but that didn't fix the issue. He quoted me $800 to replace the touch screen OR $2800 to replace the stereo. 7. Calibrate Touchscreen. If the touchscreen has suddenly stopped working on your laptop, you need to calibrate it from the Control Panel menu. Step 1: Open Control Panel on your laptop. Step 2 Touchscreen Stops Working Sometimes I have a new PC with W10 and the touchscreen works most of the time. I leave the PC on24 hours a day and it seems that sometimes in the morning when the PC has been sleeping and then I start using it first thing in the morning the touch screen does not work, everything else seems to be working fine. 3. There is something blocking the touch screen. If there is something blocking the touch screen, it will not work properly. You will need to remove the obstruction. 4. The touch screen is not clean. If the touch screen is not clean, it will not work properly. You will need to clean it. 5. The thermostat is not responding to the touch screen To enter recovery mode on your iPhone 8 (Plus), launch iTunes or Finder and plug your iPhone into computer using the USB lightning cable. Press and quickly release the Volume Up button and then the Volume Down button. Then, press and hold the Side button for 30 seconds until you see the Recovery Mode screen. rKuKLt.