I am trying to use the filter galery and is gray out also the select object square stoped working in my laptop also the redefine hair stoped working too. Does any body knows what should I supouse to do. Thank in advance!!
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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