You can press the screen on different locations on the areas which is showing lines and check which location is the spot for you.
Laptop fell on the floor screen shows lines.
If you have a desktop pc with a separate monitor try a different monitor and video cable to narrow down where the fault lies.
This occurs when the ac power is not connected to the computer while resuming from sleep mode.
If it is still malfunctioning you may need to replace it completely.
Power the computer on and check the screen.
Some issues especially very minor ones can be caused by very temporary issues with the connection to your computer that a restart will fix.
I dropped my laptop and now it has lines and is partially black answered by a verified tech support specialist we use cookies to give you the best possible experience on our website.
I would first connect the macbook to an external monitor to check for graphic card malfuction then open the macbook and verify all internal cables sockets connections.
If your dropped computer is a laptop check the display.
This will fix the lines on laptop.
If this is the case power the computer off obtain a new lcd screen and proceed to the next step.
Place one thumb on the left side and place the other one on a little bit of the right side and then press the thumbs of the screen.
The lcd screen may be damaged or not.
It could only be a near disconnected video lvds cable that cause the stripes in the screen.
If it s been damaged or cracked you ll notice right away as it will display strange lines or figures instead of your preboot sequence.
Power off the monitor wait 15 seconds and then power it back on.
To solve this issue try updating the graphics driver from the link below.
Horizontal and vertical lines are visible on a blank or black screen when the computer lid is opened after the computer resumes from sleep mode.
Some repairs are so minor you could fix the computer yourself while others will require consultation with a professional and money out of your pocket.