Question After booting getting bios

[STRIDER9]

When i turned on my friend pc its showing the bios screen .I rebooted several times sitll getting Bios screen .How can i fix this?
What is the cause of this issue?
My friend MOBO : GALAX B450M ver1.0
BUILD Version:G10g

 

[rgd1101]

full system spec? include brand and model of the psu

was it working before?

 

[STRIDER9]

full system spec? include brand and model of the psu

was it working before?

Problem solved came to know that SATA Port was tampered