Trouble like me with Mouse double click speed?
Google “lxde double click speed”, there is a hidden file named “.gtkrc-2.0” in your home directory. So if it does not exist, create it. If it does exit, read it before you proceed — it may advise you to use “.gtkrc-2.0.mine” instead.
Type these commands from the prompt, or inside LXTerminal.
sudo nano ~/.gtkrc-2.0
Add the following line:
Press Ctrl – X, y and enter to save and quit the editor. Logout of the desktop and startx again for it to take effect.