zhizhu
Home / macos-help / Fix 'PowerShell Not Recognized as Internal or External Command' - Troubleshoot Windows Update Certificate Error After Changing Clock-Fix BitLocker After BIOS Update

Fix 'PowerShell Not Recognized as Internal or External Command' - Troubleshoot Windows Update Certificate Error After Changing Clock-Fix BitLocker After BIOS Update

2026-06-13 22:03:46
Fix 'PowerShell Not Recognized as Internal or External Command' - Troubleshoot Windows Update Certificate Error After Changing Clock-Fix BitLocker After BIOS Update

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.