BEN 
A black snap screen means Snapchat cannot access your camera, usually because another app is holding the camera session or your permissions are blocked. Force-closing all camera apps and then reopening Snapchat fixes this in most cases. If the screen stays black, clearing the Snapchat cache or doing a clean reinstall will finish the job. … Read more
Blue dots on a phone screen are most commonly caused by stuck pixels, physical pressure damage to the display panel, or a temporary software glitch. In many cases, you can fix them at home using a pixel-fixing video or a simple restart with no tools required. If the dots appeared after a drop or water … Read more
You are using your Acer laptop and the screen starts flickering. It may be a rapid flash, a slow strobe, or the display shaking up and down. It gets worse when you watch videos or play games. QUICK ANSWER: Acer laptop screen flickering is caused by an outdated graphics driver, a loose display cable at … Read more
You unlock your iPhone and the entire screen is covered in a green tint, green lines, or a solid green display. It appeared out of nowhere and nothing responds normally. An iPhone green screen is caused by an iOS software glitch or rendering bug, physical damage to the OLED panel from a drop or pressure, … Read more
You look at your Mac screen and see purple lines running horizontally or vertically across the display. They may be faint on light backgrounds and clearly visible on dark content. Purple lines on a Mac screen are caused by a damaged or loose display cable, a macOS graphics driver bug, GPU overheating, physical impact damage … Read more
You open Facebook Messenger and see a completely white or blank screen. No chats, no icons, just white. The app appears to have opened but nothing loads. A Messenger white screen is caused by a corrupted app cache, an outdated app version that is incompatible with the current Facebook servers, a slow or failed internet … Read more
You are using your HP laptop and notice one or more black lines running across or down the screen. They stay in the same position no matter what app is open. A black line on an HP laptop screen is caused by a damaged display cable inside the hinge, a cracked or fractured LCD panel, … Read more
You open your laptop and half the screen is white while the other half shows the display normally. The white half does not respond to what is on screen. It stays there no matter what app you open. A laptop display showing half screen white is caused by a damaged or loose display cable inside … Read more
You notice a red dot on your MacBook screen. Before you worry, the most important thing to know is this: not every red dot on a MacBook is screen damage. A red dot on a MacBook screen can mean one of five things: a macOS microphone indicator dot in the menu bar, a stuck pixel … Read more
Your Acer laptop turns on but gets stuck on the Acer logo screen. The spinning dots stop. Nothing happens. No matter how long you wait, it does not progress. An Acer loading screen stuck issue is caused by one of six things: a corrupted Windows update or system file, a failing or full SSD or … Read more