Having problems with your Dell OptiPlex GX620 PC Desktop ?
Bios pasword unlock optiplex gx620deel
You have to change a jumper on the motherboard. The link below will take you do the instructions.
You can remove the password of bios, removing the batery of the motherboard for 10 -15 minutes.
Repair Help & Product Troubleshooting for Dell OptiPlex GX620 PC Desktop
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