Before attempting any repairs, it's essential to ensure your safety and prevent any further damage to your Dell laptop. To prevent data loss, consider disconnecting the power cord and unplugging the laptop from the wall outlet immediately. If you have an external backup drive or a cloud storage subscription, now is the time to back up your critical files. This will give you a safety net in case anything goes wrong during the repair process.
If you've already backed up your data, make sure to disconnect any peripherals such as USB drives, headphones, and external displays from your Dell laptop. Remove any SD cards or other storage devices that may be inserted into the laptop's card reader slots.
If your Dell laptop has a battery, try removing it to prevent any accidental power-ons during the repair process.
Take note of the serial number on the underside of your Dell laptop's chassis and make sure to write it down or take a photo with your phone. This will come in handy when contacting Dell support or visiting an authorized service center for further assistance.
Once you've completed these steps, carefully unplug the power cord from the back of your Dell laptop and set it aside. You can then proceed to attempt repairs without worrying about electrical shock or data loss.