Sony DualSense — Error codes & fixes

Troubleshooting guide for the Sony DualSense. Diagnose an error code and find the fix.

No signal / black screen

no-signal

The TV or monitor shows no signal, often from an HDMI issue or a wrong input.

Source: ProductDB enrichment catalog Confidence: 85% Verified Aug 8, 2026

2 fixes available

System update failed

update-failed

The NAS cannot complete a DSM/OS update, often from a network issue or low storage.

Source: ProductDB enrichment catalog Confidence: 85% Verified Aug 8, 2026

2 fixes available

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