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Downgrading Windows 8 or 10 to Windows 7: Encountering Error 100-14IBD, 100-15IBD, 100S-14IBR, 110-17IKB, 110-14IBR, 110-15IBR, 110-15ACL, 110 Touch-15ACL, or 110-17ACL
Overview
When attempting to recover the operating system from Microsoft Windows 8 or 10 to Windows 7 or from Windows 7 to Windows 8 or 10, you may encounter the following error code: * 100-14IBD * 100-15IBD * 100S-14IBR * 110-17IKB * 110-14IBR * 110-15IBR * 110-15ACL * 110 Touch-15ACL * 110-17ACL This error can occur when certain conditions are not met.
Cause
The error occurs when you perform the following actions: * Downgrading from Windows 8 or 10 to Windows 7 * Upgrading from Windows 7 to Windows 8 or 10 In addition, the error is known to occur specifically with the following devices: * ACPIMSFT0101 * UEFI mode
Solution
To resolve the error, you need to disable the Intel Platform Trust Technology option in the BIOS. 1. Reboot your computer and enter the BIOS setup. 2. Navigate to the "Security" tab. 3. Locate the "Intel Platform Trust Technology" option and disable it. 4. Save your changes and exit the BIOS. 5. Attempt to recover or upgrade your operating system again. **Additional Notes:** * The device is automatically supported in Windows 8 and Windows 10. * The BIOS must be running in UEFI mode. * If you are using Windows 7 x64 or Windows Server 2008 R2, you may need to install additional drivers. ```
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