If your laptop works, you can directly go to "set up - update and security - restore - reset" in your laptop and reset it. If your laptop doesn't work, you can take these measures: 1.Press the power button and then immediately press the "F9" button continuously until the laptop enters the advanced options page，Select "Troubleshoot"; 2.select "Reset this PC"; 3.Select "Keep my files"(If you don't know the password, you can only choose "Remove everything" and there is no step 4)； 4.Choose your account, enter your password, and follow the prompts to proceed to the next step.