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- HP Community
- Notebooks
- Notebook Boot and Lockup
- Sometimes won't boot: black screen, fans full speed

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05-04-2020 05:02 AM - edited 05-04-2020 05:08 AM
So this happens sometimes when I power on Zbook G3 15:
BIOS wont load, screen stays black, fans start blasting full speed.
I even disconnected the battery incase it was bad, but it still happens sometimes.
When I unplug the power and boot again, BIOS loads normally and I the computer works.
The latest BIOS version is installed.
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Accepted Solutions
05-11-2020 06:33 AM
This fault was caused by an external USB device (2 slot usb3.0 hard-drive bay). When connected to any usb port the fault was there. When removed the laptop boots succesfully.