How to Find a Serial Number

Here are the instructions on looking up serial numbers

  1. Click the Start or Windows menu in lower right, or press the Windows key +R.
  2. Type in "cmd.exe" (no quotes). Press Enter/Return.
  3. Enter "wmic bios get serialnumber" (no quotes). Press Enter/Return.
  4. Write down the string of numbers and letters that you see.

Or follow the instructions at the link below for how to do this:

If the above doesn't help, look on the top or bottom of your computer for the serial number or s/n or sn, or service tag or s/t or st. If neither is available, try the part number or p/n or pn.