bought an iPhone 6 Plus on eBay. It's in perfect condition and I think I got a bargain. It has an issue though, which was why it was sold as not working: the touchscreen randomly becomes unresponsive and the phone needs a reset to make it start working again. It seems to do it particularly if left untouched for a while. How to calibrate the touch screen in Windows 10, 8.1, 8 or 7. Open Control Panel. Click Hardware and Sound. Under Tablet PC Settings, click the Calibrate the screen for pen or touch input. Under Display options, select the display (if applicable). In the Tablet PC Settings windows, click the Calibrate. Select Touch input. Hard reset iPhone 7 and 7 Plus: Hold down both the volume down button and the side button simultaneously until the Apple logo shows up on the screen. Hard reset iPhone 6s or earlier: Press and hold the home button and the power/side button at once until the Apple logo pops up on the screen. Once your iPhone has rebooted, check out if the Press and hold the Power and Mute buttons (on the right side of the palm rest) for 8–10 seconds. Press and hold the Power and Mute buttons at the same time for 15 seconds, or until the computer restarts. When the notebook or All-in-One computer touch screen does not respond or responds inaccurately, there are several troubleshooting steps you 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. An internet search brings up one procedure here: Multifunction Display - Problems and Fixes - C5 - Citroen Owners Club. The citroen cars forums This seems straightforward enough, but I am concerned about breaking or damaging the thin strip of trim below the multifunction display screen when I prise it off. My iPhone 5 got replaced screen the other day and not its mysteriously cracking and not the is a line crack in the middle of the screen and it is stopping the bottom of the screen working. i replaced it because it was badly cracked but not problems still worked but now a tiny crack is stopping it from working I really don't get it and i cant afford another £50 to get it replaced again. 3. Artificially Improve the Screen's Latency. For partially functioning displays, you may be able to enhance the screen latency with a third-party app. Touchscreen Repair is a lightweight app that calibrates your screen to reduce response times. The app asks you to consecutively tap several sections of the touchscreen. Double-click on the HID-compliant touch screen listing. In the new window, switch to the. Allow the computer to turn off this device to save power, Restart your device and see if you still experience issues with the touchscreen. Method 6. Update Windows 10 to the latest version. The touch screen of your Citroen Ds5 switches on and off for no explanation: In this scenario it is highly likely that you are the victim of a short circuit. Verify the state of your fuses and connectors, if you can’t find anything, take your motor vehicle to a motor vehicle electrician who can resolve the issue. EvoDdO.