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When your HP laptop does not turn on or charge when you connect the power cord, you follow this guide to troubleshoot & fix the issue.
Laptop not turning on? If your laptop won't power on, even when it's plugged in could have a faulty power supply, battery, motherboard, video card or RAM.
Press the F5, F9, or F11 key to turn your HP laptop keyboard light on or off. Some HP laptops need the Fn key pressed with the light key to activate the keyboard light. If these keys don't work ...