When I click on my hand tool it zooms and my zoom tool is being used as a marquee. All of the other tools have their original uses. I don't know how to fix this at all. Can someone please give me some advice?
Try resetting the tools and/or preferences.
To restore preferences quickly using a keyboard shortcut:
Press and hold Alt+Control+Shift (Windows) or Option+Command+Shift (Mac OS) as you start Photoshop. You are prompted to delete the current settings. The new preferences files are created the next time you start Photoshop.
Note: Using the keyboard shortcut, preference files for custom shortcuts, workspaces, and color settings will also be reset to default.
from here:
https://helpx.adobe.com/photoshop/using/preferences.html#restore_preferences
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