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error HP
Error Code Graphics Controller Error (No Controller)
Failed startup due to graphics controller initialization failure, potentially a problem with modularity or seating.
? What Causes This
Non-seated graphics controller module in modifiable settings.
✓ How to Fix It
Ensure proper insertion of the graphic controller; seek service if persisting issues are observed.
Source: page 144 of the official manual
From the manual
This error code appears in:
HP Zbook 15 G3 Mobile Workstation