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HP Probook 4530s Windows 10 Home 64 bit, Insider Preview 15063 (rs2_release) Core i3 2310M 8GB RAM 120 SSD for windows, 320 HDD BIOS F.61 Windows boots up fine everytime. Very long time since i went into bios settings, i wanted to see if boot from usb option was on, and on startup when i press esc key or any function keys to get into bios settings, the screen goes black, hard disk light turns on and remains on, caps lock light starts blinking, i don’t have num lk key. I reinstalled bios and nothing changed. My battery is weak, if that matters, a warning is shown on boot up.

HI: I think you have a UEFI (bios) not the same as the bios is on the motherboard I a chip and the UEFI is on the hard drive but built to operate like. watch this video and it will show you some answers, Press F2 for first screen then ESC https://www.youtube.com/watch?v=cp7fhjGO… Good luck