The steps are simple and include; 1. Click on the ‘Start’ button or the ‘Windows’ icon at the bottom-left corner of your Acer laptop screen. 2. From the options that showed up, click on the ‘Power’ button. It is a circular button with a vertical line in it. The system power options will pop up. 3. Click the Connect button. Specify a name for the laptop (spaces are not allowed in the name). Click the Next button. (This action will cause the device to restart.) (Image credit: Future) Select Press Ctrl + Alt + Delete to open Task Manager. If you don’t see Task Manager after pressing Ctrl + Alt + Delete, press Ctrl + Shift + Esc to open Task Manager. If Task Manager flickers along with everything else on the screen, a display driver is probably causing the problem. In this scenario, see the Fix your display driver section. Detach and reattach the keyboard. If you have a computer that uses a removable keyboard, remove it, wait a few seconds, and reattach it. Close and reopen your laptop. Close your laptop’s screen, wait a few seconds, and reopen it slowly. Look to see when the lines appear on the screen as you open it. If the lines only occur at a certain angle Some Acer monitors include a feature that allows you to lock your on screen display menu so it does not activate when buttons are pressed on the monitor. You can use the instructions below to turn the on screen display lock on or off. Enable OSD lock: Press in on…. Turn off your Chromebook. To power off your Chromebook press the power button for about a second to lock your screen. Keep pressing the power button to completely shut down your Chromebook. If your're on the main sign-in screen, you can click the Shut down button in the lower-right corner of the page or simply close the lid to shut down. 3. Run a System File Checker (SFC) scan. Left-click the Start button, type command prompt, and select Run as administrator. Click Yes on the User Account Control prompt. Type the following and press Enter: sfc /scannow. Restart your PC to see if the black screen appears. A System File Checker scan will check and remove corrupt system files on Bonus Step: Fixing General Video Failure or Screen Backlight Failure. First, power down the device and remove the screws from around the screen's bezel. Then, gently remove the bezel from the screen to reveal the inverter board. Examine the two cables connecting to the inverter board. SSjVVu3.

how to open acer laptop screen