Windows 11 Vertical Lines on TV After Latest Update

First reported on r/techsupport on June 26, 2026.

Users are experiencing issues with vertical lines appearing on their TVs after the latest Windows 11 update. The issue is causing frustration for those who rely on their TVs for entertainment and work.

What it looks like

• Vertical lines on TV
• TV not working properly
• TV display issues

How to fix it

1. Restart your TV.
2. Restart your system.
3. Open the Settings app.
4. Click on System.
5. Click on Display.
6. Make sure the display settings are set to the recommended settings.

Affected products

• Windows 11

Sources

• How can i fix this — reddit:r/techsupport

---

Search terms covered: windows 11 vertical lines on tv, windows 11 tv not working