SSD detected on bios but not win 10. Boots into bios everytime

chethan.nputtu · Dec 2, 2017

So I'm having this very peculiar problem. My Asus strix gl702vs boots straight into bios on booting. BUT. I did some research online which said disable secure boot and enable csm support and enable launch PXE OpROM policy. Which didn't help at all. But when I restarted it again and went to boot menu and disabled all these and restored to default, voila! Windows was booting again. Now the problem. I have to repeat these exact steps in that order to boot into windows! Everytime I boot, it goes into bios, I enable csm support, boot, and again restart to bios, set to default again and boot. Only then it boots to windows. I've tested this multiple times and this works. What might be the problem?

CountMike · Dec 3, 2017

Well, sounds like it's not saving settings, did you check CMOS battery ?

chethan.nputtu · Dec 3, 2017

CountMike :

I think CMOS is fine. It seems like sometimes it detects the OS on the ssd and sometimes it doesn't. Its not even listing the ssd as a bootable device at times. I cant change the boot priority if it doesnt list it there. Thanks for the idea though. Do you think its the windows boot manager that is corrupted? Can a clean windows install help? Also everything is fine with the drives i.e., according to windows. There is absolutely no sign of a corrupt SSD or any performance drop. Except for the boot

CountMike · Dec 3, 2017

It still feels that CMOS is not saving properly because once you set it to something it should stay like that no matter what. OS has nothing to do with it at that time.

chethan.nputtu · Dec 3, 2017

CountMike :

No what i meant is, once i make some tweaks in the bios such as enabling csm support, it saves it and the next time i boot, its still enabled. No settings are set to default on its own unless i change it.

the only thing its not saving is the list of bootable devices. i'll still get the cmos checked. Thanks CountMike. Any other suggestions? Also can it be a bad block on the SSD? Any solution is appreciated

CountMike · Dec 3, 2017

Unlike spinners, bad blocks on SSD are just skipped over but it's possible some data was damaged. I suppose it's UEFI bios ?

aquielisunari · Dec 3, 2017

chethan.nputtu :

CountMike :

No what i meant is, once i make some tweaks in the bios such as enabling csm support, it saves it and the next time i boot, its still enabled. No settings are set to default on its own unless i change it.

the only thing its not saving is the list of bootable devices. i'll still get the cmos checked. Thanks CountMike. Any other suggestions? Also can it be a bad block on the SSD? Any solution is appreciated

One thing that might be assumed but I don't see how you exit BIOS. Do you do press F10?

chethan.nputtu · Dec 3, 2017

CountMike :

Yeah its a UEFI bios. Vendor: american meagtrends.

chethan.nputtu · Dec 3, 2017

aquielisunari :

chethan.nputtu :

One thing that might be assumed but I don't see how you exit BIOS. Do you do press F10?

Yeah. F10 to save settings and exit i.e., reboot.

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