It is a very good practice to wear a properly grounded static strap when working on a PC. Static discharge can be very damaging to computer components.
It's a good idea to be certain that the PC case is also grounded while working.
I have worked on and built multiple computers and never worn a static strap or worked on a anti-static mat. I do prefer to touch something metal to see if it shocks me just to be safe. I have never damaged anything from this, but I do know that It can happen.
to stay grounded and prevent static electricity from ruining components in the computer.
static, static can damage the things inside just like a magnet.
By using an anti static mat while working on the inside of your computer, you are protecting the delicate electronic components from static electricity that can damage the electronics.
To the computer metal case, or you can buy a wireless anti-static wrist band.
the wrist strap will prevent computer components from being damaged by static electricity.
what is static electriaty
static can kill almost any electronic device.
Static electricity is static. It's just shortened.
PRESUMING you have already unplugged it and removed the cover, ground yourself by attaching a grounding strap to your wrist and the computer case to prevent static discharge
The Hard Disk installed in your computer is static and non volitile
Electro Static Discharge ESD.
A single phase supply can operate a three phase motor with a static converter. No a power supply of computer cannot be fed through the static converter.