If you are facing the issue of HP Laptop Not Starting up Black Screen, you must be looking for ways to fix it. To get the issues resolved, you can try to hard reset the laptop. Hard resetting the laptop is one of the best methods to eliminate any conflicting settings that could be causing the issue. To go about it, turn off the laptop and remove the battery, hard drives, and any other hardware components connected to it. You have to press and then hold the power button for about a minute and then release it. Next, put the battery back and plug in the charger, don't reconnect any other hardware components. Boot the laptop and check if the HP Laptop Black Screen Error is fixed. If the problem has been solved, connect the hardware devices one by one until you find the one causing the issue.