What steps ought to be taken if the Lenovo computer screen is blank?
Lenovo makes a portion of the best PCs on the planet; however, it additionally has a couple clunkers that keep the brand down. Is it accurate to say that you are getting a dark screen or clear show amid boot up or when using your PC? There are times when your screen is associated with your PC fine and dandy, however, you wind up getting the dark screen with a message like No Input or Cable Not Connected.
Firstly check the Power catch
You've likely effectively done this, however, it's still constantly worth saying since it happens more regularly than you would suspect. Check to ensure the screen is turned on, which is generally shown by some sort of light on the power catch itself.
Presently check to ensure the PC is appropriately turned on. The primary concern here is to check for any notice lights or bizarre beeps when you open your PC. In the event that the power catch or one of the status lights is red or orange or if the PC beeps a few circumstances when turning on, this is characteristic of an inner issue.
Check cords
Cords can sometimes become detached. This is particularly valid for cables that don't screw into the back of a screen. On the off chance that you have a committed graphic card, then ensure the screen is associated with the graphic card and not to the motherboard video connection. In the event that you wind up interfacing your screen with the motherboard, it may work for a tiny bit, yet all of a sudden go clear. Restarting may settle the issue, yet it will happen once more.
Audit the Resolution, Display & Source
Sometimes you inadvertently set the determination in Windows higher than what the screen bolsters, it will basically go blank. To settle this, you'll need to begin Windows in safe mode first. In most present-day adaptations of Windows, the framework really returns to the first screen determination inside 15 seconds unless you tap on the Keep Changes catch.
BIOS and Recovery Options
In the event that you can see the underlying boot screen when you turn on your computer, however, it goes blank once Windows begins to load, and then you know it's an issue with Windows. On the off chance that Windows is degenerate, then your exclusive choice is to boot into experimental mode and afterward attempt to repair Windows either utilizing System Restore/Automatic Repair or utilizing the Reset or Refresh My PC include.
Analysis the Hardware
The last stride is to investigate the genuine equipment. Before you do whatever else, you ought to take a stab at disengaging all gadgets and peripherals from the PC like the keyboard, mouse, outside hard drive, speakers, printers, scanners, and so forth.
Infrequently an issue with another bit of equipment can bring about the show to go clear. In the event that doesn't work, then you have to check the real port connectors on the PC and on the screen for damage.
What's more, on the off chance that regardless you discover the issue in start your computer, then please call customer service at 1-800-786-0970 for Lenovo computer…….
Source: https://supportbytechiesblog.wordpress.com/2017/01/06/what-steps-ought-to-be-taken-if-the-lenovo-computer-screen-is-blank