![]() ![]() Right-click on the Desktop once Windows loads and choose “Screen Resolution.” Click “Advanced Settings,” “Monitor,” and then lower the refresh rate to see if the lines disappear. If the lines only appear in Windows, the problem is a Windows setting - most likely the refresh rate. Look for the lines at boot up: if you see lines before Windows loads, the problem is either with the video card, the video connection cable - whether HDMI or VGA - or the monitor itself. If the lines persist, the monitor may have been dropped or exposed to a magnet - which can’t be fixed. Follow the on-screen instructions to run the troubleshooter. If the display driver is corrupt or out of date, it can cause the screen to display in black and white. Method 1: I suggest you to run the Hardware and Devices troubleshooter and check if it helps. ![]() Select this mode to reset the monitor to its original settings. In conclusion, a black and white HP laptop screen can be caused by a variety of issues, from a damaged display to a faulty graphics card. Press the “Menu” button on the screen and then use the other buttons to browse for a “Factory Settings” mode. Unplug the monitor from the back of the computer and wait a few seconds until it displays a message “No signal.” If the no signal message also has vertical lines, you know the problem is in the monitor and not in your computer. ![]()
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