Here are 3 fixes that have helped other users resolve the vertical lines on laptop screen issue. An aging PC shows signs of regular wear and tear as years pass by, and loosened internal cables can create a number of nasty glitches. HP laptop problem; the screen only displays vertical lines, which move about when the curser pad is operated, but give no indication as to what should be on the screen. It is worth noting that very rarely the problem with artifacts and stripes appearance on the screen is associated with drivers. Do you have a problem with the horizontal lines appeared on the laptop screen? Fixes for vertical lines on Windows 10, 8.1 and 7 issue. The image below shows a blue line appearing randomly on my HP Spectre x360. Image on the screen has multiple horizontal and vertical jagged lines, or large white or black areas A cracked LCD displays damage in a number of different patterns. 3) Your PC monitor hooked up to your laptop, started showing lines too. Vertical lines running through your computer monitor can be disrupting during use: they can often be removed by properly configuring the computer and making sure the connection doesn't have any problems. The causes behind laptop screen flickering on Windows 10 PCs can be boiled down to a few common culprits. the usual suspects are: data cable between the motherboard and the screen. Is this a mechanical problem with the monitoe conection, or a problem with whatever passes as the graphics driver, and is their any diagnostic proceedure that I can apply? I brought HP envy notebook laptop with 17 inch screen in last year. 2) You bought a new PC monitor, and hooked that up to the laptop, no lines where shown on that monitor. Till few days it worked good, but in the recent past I observed a thin vertical line on the left side of my monitor, Even it is showing on BIOS screen also. Are you facing trouble with HP laptop screen flickering and horizontal lines? My 43 inch led tv has 2 vertical lines on the side of the screen...what causes that and how to fix it You may not have to try all of them; just work your way down the list until the problem is resolved. I have tried almost everything what HP forum has told in their blog. To fix the vertical blue lines, you need to find the root cause of it. = Answear: it has nothing to do with your Laptops screen, or your PC monitor. if the device is under warrantee have somebody else fix it. or from a DiY try here are the likely failures. 1) your laptop has "coloured lines" on the screen the laptop has. Black vertical bars blocking the sides of the screen are an indication of an incorrectly configured graphics card. The screen of any laptop is quite fragile, and even one sloppy closing of the computer cover will be enough to damage the matrix, as a result later on you will be seeing stripes on the laptop screen. Do you have several display problems? You … the vertical lines indicate a hardware failure. This type of physical damage can be detected as early as the BIOS-level startup operations, before the computer boots into Windows (or other operating systems). If so, then you should take immediate action until the problem becomes serious and cause some adverse effect. Similar threads; Question Vertical lines that appear after running games: Question Laptop screen vertical line: Question lenovo y50-70 vertical lines pink and greeen after overclocking laptopemoniter refrash: Solved!