How do I troubleshoot a blank screen on my laptop?

1. Check the power supply: Make sure the power cable is completely inserted into the laptop and the wall outlet.
2. Check the LCD display of the laptop: Press the laptop’s power button and check if the LED light on the switch is on.
3. Reset the Internal Power Module (IPM): To do this, press and hold the power button for 30 seconds and then release.
4. Restart the laptop: Press the power button again and check if the laptop boots.
5. Try to Boot to Safe Mode: Press the F8 key when you see the Dell logo on the screen. You may need to press the key numerous times.