![]() ![]() If any of the keys do not light up, proceed to:.If the computer freezes at a black screen again, the last resort is to forcibly shut down the PC by pressing and holding the computer’s power button for around 10 seconds.If unable to sign in, click the “ Power ” icon and then choose “ Restart ” to reboot the PC.Select your account and sign in as usual.Press Ctrl + Alt + Delete, prompting the administrator menu to appear.If any of the keys’ lights turn on, then:.Click the CapsLock or NumLock keys to see if any indicator light turns on (the computer is properly running but cannot activate the screen).Refresh the screen via Windows key sequence If the new monitor displays images perfectly, the original monitor is damaged and needs to be replaced.Ģ.Test the video cable between the computer and a different monitor (the TV, another monitor, etc.). ![]() If the monitor works, the initial cable is damaged and needs to be replaced.Use another cable available at home (used by the TV, another laptop, etc.) to connect the computer with the monitor.If the screen is still blank, test both the cable and the monitor by doing the following:. ![]()
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