If you return to your laptop after stepping away for a moment and find that the screen is off, moving the mouse might not bring it back to life. Additionally, pressing the power button might not elicit any response. This issue can occur due to a temporary malfunction or internal device (graphics card, memory, etc.) problems. Before heading to a service center, try these self-troubleshooting steps. How to Fix a Laptop Screen That Won't Turn On Forced Shutdown Method If your laptop is frozen due to a temporary error, forcing a shutdown and rebooting can resolve the issue. Steps to Force Shutdown 1. Hold down the Shift key on the left side of the keyboard while pressing and holding the power button until the power light turns off. This takes about 10 to 20 seconds. 2. Once the laptop is completely off, press the power button again to turn it back on. Remove Battery and Use AC Adapter Only This method involves removing the laptop's battery and trying to power ...