If that doesn't work, the LCD screen needs to be replaced and should probably go to the repair shop since replacing the monitor can be delicate. If the computer displays on the external monitor, the LCD or internal LCD cable could be faulty. HP Desktop PCs - Computer Starts but Monitor Remains Blank (Windows) Step 1: Check the power Step 2: Check for fan noises, beeps, and power lights Step 3. The external monitor key should tell your laptop to connect to the external display. Once your computer reboots, if it's not displaying on the external monitor, you may need to press the F4 key (or another key with a rectangle box with vertical lines on the left and right-meant to indicate a monitor) on your keyboard. Connect to the external display using a VGA cable or connect to a TV as an external display using an HDMI cable, depending on the connections available on your system. If this does not work, see the following Microsoft link for more information: Toubleshoot black screen or blank screen errors in Windows 10 Starting the PC in safe mode can help narrow down the issue. The hard reset should not clear any of your data from your computer, but it could clear out any driver or firmware errors that might be happening.Ĭonnect to an external monitor to test the LCD and LCD Cable. Solution Press the Windows key + Shift + Ctrl + B at the same time. Try clearing CMOS and try the on-board VGA again. Performing a hard reset is not the same as factory resetting your HP laptop. Most of the time, the blank screen problem with your laptop occurs due to the sudden inability of the laptops charger to supply power to it. If trying the on-board display (connecting the monitor to the motherboard back panel) still not having any display could be a serious problem.
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