You are correct the Lockdown browser has caused the problem, it is best to wait until you no longer need the Lockdown browser, then uninstall it and delete those 4 blue entries in your screenshot of the registry and that will solve the problem.
Power button in start menu only displays “lock” option
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Anonymous
When clicking on the power button in the start menu only the lock option pops up, I’m still able to enable and disable the lock button via the control panel, but the other options are gone. On the Lock Screen however the power button still displays all the buttons such as power, shut down, and sleep. Any ideas what this is?
Windows for home | Windows 11 | Sleep and Power on, off
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
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Anonymous
2025-02-16T19:45:50+00:00 I am also having this problem with lockdown browser. Deleting the registries put the power buttons back on the login screen but I still only have lock on the start menu.
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DaveM121 870.6K Reputation points Independent Advisor2024-12-11T07:46:11+00:00 Hi, I am Dave, I will help you with this.
1
Did you install the Lockdown browser on your PC?
2
Click your Start Button, type regedit and hit Enter to open the Registry Editor.
Click View and make sure 'Address Bar' is turned on.
Paste this into the Address Bar at the top and hit Enter.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Please provide a screenshot of that Registry Editor page.
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Anonymous
2025-02-13T02:22:22+00:00 I have the same problem with lockdown browser
I have no power options except LOCK
so do I have to do a hard shutdown every time I'm done working on my computer?
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Anonymous
2024-12-11T07:50:54+00:00 Yes it was from lockdown browser, I recently found a similar questionnaire with my inquiry and found the 4 entries created from lockdown browser however I have a following exam coming up and don’t want to interfere with the lockdown browser. I will delete them after my exam is finished.