Solved Windows 10 SSD keeps disappearing from BIOS Boot Priorities

July 25, 2019 at 13:39:48
Specs: Windows 10, 3.1 GHz Intel Core i5, 8Gb LPDDR3
I have a PC with Windows 10 installed on SSD and I have two more HDDs. I use these two HDDs for storing data. First HDD has 3 partitions and second has one partition.
I often observe that during boot my PC is throwing msg “Please enter setup to recover BIOS settings”
Press F1 to run setup
Press F2 to load default values and continue

If I press F2 it gives error “Reboot and Select Proper Boot Device”

If I press F1 I see in BIOS settings

Boot Device Priority gets messed up
1st Priority becomes as Removable Drive
2nd Priority becomes CD Drive
3rd Priority becomes HDD
* So essentially SDD is missing here *

Then when I go to Boot menu > Hard Disk Drives>
This gives me three options
1st Drive
2nd Drive
3rd Drive

And in all of these my SSD is missing.

Then I have to select my SSD SATA: 4M-KINGSTON S as 1st Drive.

Then Change Boot Priority as
1st Priority SSD SATA: 4M-KINGSTON S
2nd Priority CD Drive
3rd Priority HDD
Save and Exit then it boots normal.

My Biggest challenge is that every time I have to change BIOS settings which is very annoying. What is the permanent fix for this issue so that my SSD is always listed as 1st Drive and also 1st Boot Priority is SSD.

Note that the one HDD with 3 Partiotons is from my old computer which was a bootable HDD with windows 10. This HDD i have moved to my new machine. Every time after BIOS getting messed up it shows BIOS from OLD computer <Title American Megatrend>. However after fixing BIOS settings as described above it boots normally into WIndows 10 from SSD and the first splash screen during boot is that of new machine's SSD holding Windows 10. So solution might be after fixing Boot order in old BIOS again during boot up go in new BIOS and fix something here?


message edited by seema_kat27f

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July 25, 2019 at 14:20:53
✔ Best Answer
Sounds like the motherboard battery might have failed. Remove the battery & check it with a voltmeter. It should be 3V or relatively close. If it's not, simply replace it, reconfigure ALL the BIOS settings, then save. You should be good for another 10 years +/-.

message edited by riider

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July 25, 2019 at 17:54:39
I agree, the CMOS 'coin' battery on the motherboard is bad or not properly inserted into the socket.

You have to be a little bit crazy to keep you from going insane.

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July 31, 2019 at 22:50:33
Here is update to my issue posted... By replacing motherboard battery the issue is fixed. Thanks for the help.

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