Windows 11 upgrade problem on Z390 Pro4 MB
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=19764
Printed Date: 23 Jul 2025 at 5:01pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Windows 11 upgrade problem on Z390 Pro4 MB
Posted By: egoshman
Subject: Windows 11 upgrade problem on Z390 Pro4 MB
Date Posted: 29 Oct 2021 at 6:23am
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To upgrade to Win11, had error messages for both Secure Boot and TPM on my Z390 Pro4 MB. For the Secure Boot error: 1. Converted main drive with MBR2GPT utility, Secure Boot still failed; 2. MBR2GPT needs 3 or less partitions. Deleted a fourth partition on the drive about 2GB but didn't know what was in it, didn't have a drive letter, but I had a backup of the drive. 3. Tried again with MBR2GPT utility and was successful but there was an error about "Windows RE" (recovery environment) and I didn't copy it down but the Win 11 checker has no more error for Secure Boot. The fourth partition was the current recovery partition, so that's gone, but I'm not worried about that for now. For the TPM 2.0 error: 1. Disabled the CSM setting. 2. Enabled the Intel PTT option on the Security page in the latest bios. 3. Windows still cannot detect TPM. Any help would be appreciated. Thanks. 
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