Is it okay to touch the inside of a computer that is turned on? Your device is at risk
While your sole touch might not harm any or all parts connected, the static electricity generated, conducted or attracted from it will most certainly do a number on anything it reaches, while you are thinking about when is it okay to touch the inside of a computer that is turned on.
What should you do before touching the inside of a computer? Before touching the inside of the computer, you should touch a grounded metal object—or a metal part of the computer casing—to discharge any static buildup. Static electricity can be transmitted through the computer circuits, which can seriously damage your machine.
Does touching a cpu damage it? CPUs are not really fragile, especially LGA ones. Even CPUs without heatspreaders are perfectly safe to handle barehanded. High static environments, or excessive physical force, are the only things that could damage it.
Is it okay to touch with computer parts? The internal components operate on D.C. At up to 12v. There is nothing for you to worry about. Touch the case to discharge static electricity. To remove most risk of you damaging the computer.