Troubleshooting
Why Does My Monitor Go Black for a Second? Causes and Fixes
Your monitor is briefly losing its signal, usually from a loose cable, a refresh rate, HDR, or VRR handshake, or a graphics driver reset.
September 16, 2026
When the screen misbehaves: no signal, random blackouts, flicker, dead pixels, backlight bleed and burn-in. Diagnosis first, then the fix that actually addresses the cause.
Guides
Your monitor is briefly losing its signal, usually from a loose cable, a refresh rate, HDR, or VRR handshake, or a graphics driver reset.
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