Troubleshooting Tips: Weird Monitor Error Half Black Screen Linus Tech Tips
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Description
I've never seen this one before. BIOS, Windows, even with the computer disconnected, this monitor was only displaying half of its screen. Maybe someone can shed some light on this?
The video presents a puzzling monitor problem where the screen is visually split in half, with one half fully functional and the other half completely nonfunctional, and this occurs across BIOS, Windows, and even when the system is disconnected from the monitor. The presenter confirms that moving the cursor to either side of the screen does not reveal the hidden portion, indicating that the desktop exists but is not being displayed correctly. He describes attempting common troubleshooting steps such as checking screen resolution and reconnecting the monitor, but the issue persists. The breakthrough comes when he performs a full power-cycle reset: he disconnects the monitor from power, data cables, and other connections, waits about 10 minutes, and then reconnects everything; after this reset the display returns to normal. He emphasizes that this is a rare, odd issue and that sometimes odd hardware quirks require unconventional fixes, highlighting how much there is behind the scenes in hardware troubleshooting. The conclusion is that a simple and sometimes overlooked power reset can resolve seemingly inexplicable display problems, serving as a valuable tip for viewers facing similar monitor glitches and reinforcing why sharing troubleshooting experiences is worthwhile for the tech community.
Topics · technology · troubleshooting · hardware
Questions answered
- What was the fix for the half-black monitor screen problem?
- The fix was a full power-cycle reset: unplug the monitor from power and all data connections, wait about 10 minutes, then reconnect everything and power the monitor back on.
- Did the issue occur only in Windows, or also in BIOS?
- The issue appeared across BIOS and Windows as described, indicating the problem was not limited to a single software layer but related to the hardware or its reset state.
- Is this fix applicable to all monitors with similar symptoms?
- While not guaranteed for every monitor, performing a full power-cycle reset is a reasonable first step for unexplained display problems, especially when the screen behavior is inconsistent across states.