If your Dell laptop's operating system does not appear when you turn it on and you receive the System Locked error message, the BIOS password is locked. Your Dell laptop's BIOS settings are independent of the operating system. By turning it on, it helps prevent unauthorized users from accessing your Dell laptop's settings. You can use the Dell support guide provided here to resolve your laptop's BIOS password issue.
Instructions:
Grab the original Dell computer support manual, also known as the System User Guide, before you begin. It will help you continue the procedure and comprehend the laptop's internal mechanisms. To disassemble your Dell laptop and reset the BIOS password, you will also need a screwdriver. Contact Dell technical support for assistance with the reset. Otherwise, carefully remove the password by following the steps outlined below. dell refurished
Discard any CD, flash drive, etc. from the Dell laptop's disk drive, and then turn it off. Remove any external devices that are connected to the laptop as well. If your laptop's AC power adapter is plugged into the charging port, unplug it. When you're done, flip your laptop over and open the back skin. After you have finished changing the BIOS password, make sure that all of the screws that were taken out are safe so that they can be put back in.
To open the panel, you may need to slide or push a tab toward you on your Dell laptop, depending on the model. For the hard drive, battery, memory modules (RAM), etc., there may be multiple panels. Visually inspect your laptop before carefully removing the battery with the screwdriver. When removing the battery, be careful not to damage the panel or any other hardware.
If necessary, carefully remove the hard drive and any memory modules from your Dell laptop as well. Use your fingernail to carefully remove the plastic clip that covers pins 2 and 3 and locate the Password reset jumper, a small three-pin component marked PSWD. After waiting anywhere from 10 to 15 minutes, reattach the clip to pins 1 and 2 in place of pins 2 and 3. After two to three minutes, remove the plastic clip once more.
After 10 to 15 minutes, reconnect the clip to the pins 2 and 3. Wait while you restart the laptop. It ought to turn on properly. After turning it off, restore every component to its original configuration. Re-start the laptop. If the issue persists after turning on the laptop for the first time, place the plastic clip on pins 1 and 2 for up to an hour and repeat the next step. Once you're finished, put everything back in and turn on your Dell laptop.