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If you have a laptop, it should say on the underside either on the batter cover, or on the battery itself. For a desktop computer, it might say on a sticker above the power socket. If not, you'll need to open up your computer and have a look on the PSU (Power Supply Unit). This is located adjacent to the power socket.
DEFINITELY NOT A DRY SOCKET... YOU WOULD KNOW IF YOU HAD A DRY SOCKET. BASICALLY YOUR SOCKETS ARE JUST CLEAN.
The socket is on the Network (Interface) Card (Aka NIC) in your computer. The network card is plugged into the PCI (Peripheral Component Interconnect) slot on your motherboard.
These are difficult to find but they do pop up on EBay occasionally. Search for "socket 775 cover" or "socket 775 protector" in "Computing".
deltoid
The hot wire's cover is smooth and connected to what I call the "button" at the bottom of the socket. The neutral wire's cover has ridges and is connected to the screw shell of the socket.
The empty tooth socket following removal of the tooth.
If your computer is a Pentium 4 2.4 Ghz or later it's a socket 478.
The battery charger in a computer works by taking the electrical current in the socket and using that energy while the computer isn't plugged into the socket.
The Citroen C3 Diagnostic Socket may be found in the glove box fuse box. Open the glove box; there is a fuse box cover. Open the cover to access the diagnostics socket.
An empty socket is a socket in which you can insert a gem. There are different kinds of gem, and each do different things depending on where the socket is. For example a Topaz gives an intelligence boost when inserted into torso armour, but a +% to magic find in a helm.