How to Fix Vertical Lines on the Computer Screen. Computer screens, like any component of a computer system, work or fail to work because of a series of possible factors: the input from the ...

Tip If you are still not receiving a signal even after replacing your video card, you may also need to replace the computer's power supply and, in a worst-case scenario, your computer's motherboard.

You should see a menu or a list of input sources appear on your screen. Keep pressing the button until you reach the input source that corresponds to your computer.

Q: My old laptop's screen backlight has blown out. How do I connect another laptop to recover the photos and e-mails from this "dark" computer? A: You don't need another laptop, you need another ...

If your computer screen or external display goes black when HDMI is plugged in, you can follow the suggestions provided in this article to fix this issue.

If your laptop's screen is having trouble, you may not need to send it in for repairs right away. There are a few things you can try that might fix it.

You can try to fix a Blue Screen of Death on your Windows computer with a number of troubleshooting methods; below are some common steps to take.