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- HP Community
- Notebooks
- Notebook Boot and Lockup
- Stuck in UEFI & Keyboard not WORKING.

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06-23-2024 09:50 PM
Product: HP ProBook 4540s Notebook PC
Operating System: Microsoft Windows 10 (64-bit)
After startup (my note book 4540s ) HP logo showed up,esc & F10 key does not work immediate after that it's goes to UEFI but up, down & enter key doesn't work. I couldn't open to reset bios, I tried power+ win + B key nothing happened only screen goes off (Black) & cooling fan speed increased, Kindly suggest now how proceed to change bios settings to boot from USB, for your information USB ports also not working.
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