Windows 10 can not be reset on the tablet

After updating from Windows 8.1 to Windows 10, you want to restore the operating system – either because Windows 10 is not stable running on the tablet, or because you would rather prefer a fresh new installation instead of upgrading. The recovery can be accomplished via the corresponding system settings under Settings -> Update and security. But shortly after the restart keeps the operation of: You see the following error message “A Configuration Change which requested to clear this TPM computers”. You are now faced with the question, to delete the contents of the TPM or to pass up.

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The mentioned Trusted Platform Module sits in many tablets and notebooks with Windows 8.1. For Windows 10 devices Microsoft writes it as mandatory. The TPM is mainly prevent malware the computer before the Windows startup infected: therefore checks the digital signatures of the bios, boot loader and driver, and allows the Windows startup only when they have not been changed since the last start. If a fresh or restored Windows running on the computer, hence the TPM is reset to the factory settings must be.

So you should choose in the above message, the option to delete the TPM to continue the system recovery. This is not true, for example if you use the Windows Bitlocker encryption. Because the TPM stores Bitlocker Keys – reset it, the encrypted files are lost, except the TPM master password have been saved on an external storage medium.

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but in some tablets there is a fundamental problem: The TPM error message will appear before Windows starts. Therefore, the touchscreen driver is not loaded and you are stuck because you can not select an option. Then check if you can move the cursor with a mechanical button on the tablet enclosure – about the volume buttons.

With 2-in-1 devices, connect the keyboard to the tablet. A Bluetooth keyboard that will not work, because once the appropriate Windows driver is not loaded before the appearance of the error message. Therefore Connect a USB keyboard. If the tablet is no standard USB port, you need for a USB OTG cable, which you connect the micro-USB port on the tablet with the USB Type A plug of the keyboard.

If the USB keyboard is not detected, go to the Tablet BIOS and look for a menu option that activates the USB port at the BIOS startup. Can you elaborate on the keyboard directly connected no action, may help a USB hub with its own power supply, to switch between tablet and keyboard.

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As a last resort you can try a hard reset of the device: You need to keep depending on the device specific keys pressed at the start – for example, the turn-on and volume up key. Then all the settings of the tablets are set to their default settings, and the TPM chip.