# FAQ #### After inserting the key switch into a hotswap socket, some of the key switches do not trigger a key press. Here're some possible causes: * the leg (prong) of the key switch is bent * a cold joint at the hotswap socket, or a lifted pad * a cold joint at the diode #### **Can I use nice!nano in the keyboard?** For keyboards that come with a pro micro footprint, nice!nano can be used. Ferris Sweep supports a power switch and a battery solder pad, but other keyboards do not. You should also visit the following links if you go wireless. * * * #### **What is the best keymap for 40% keyboard?** To customize your keymap, one way is to learn from the existing keymaps. Here are some useful links * * *