Turn on the PC and boot past the POST screen. The password is now wiped.
If you are reading this, you likely have an older Hewlett-Packard (HP) desktop computer—such as a Pavilion, Compaq Presario, or HP 300/500 series—and you are looking for specifications, upgrade options, or troubleshooting advice for the motherboard stamped . ms-7613 ver 1.1 motherboard manual
If upgrading the CPU, ensure the TDP of the new processor does not exceed the power delivery constraints of the board (typically 95W). Turn on the PC and boot past the POST screen