Hello, I am jeson smth . I am an printer offline executive and freelancer. If you face any issue please contact us. How to troubleshoot an hp laptop?To troubleshoot the hp laptop Look on the bottom of the laptop for the model and serial numbers.hp laptops troubleshooting Check to see whether the laptop can be started using just the battery by unplugging the power cord. The computer's power cord should be plugged into an outlet. Verify whether the machine powers on and the desktop appears on the display. Turn the computer back on. Check the computer's ability to connect to the Internet.