How can i get to system bios? (ASUS Notebook X75A)

sdelone836

1. System:
2. Battery or AC:
3. Model:
4. Frequency of occurrence:
5. Reset OS:
6. Screenshot or video:

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Detailed description：i deleted a boot option in system bios now all it will do is power on to black screen it doesnt display anything

RAJU.MSC.MATHEMATICS

https://zentalk.asus.com/en/discussion/49807/how-can-i-get-to-system-bios-asus-notebook-x75a

is system directly goes to bios . There is a way t add a boot drive manually under bios.

Did you deleted efi partition in hdd or ssd ? or deleted boot entry in bios?