mSATA SSD will not boot WIN 10 when another HDD is installed

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keesey

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Sep 12, 2015
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I have 3 hard drives in my laptop... two 1TB sata and one 256g mSATA (it looks like a RAM chip).

I have installed WIN 10 on the SSD... and all is normal.

BUT... when i add one or both of the sata drives and boot I get an error stating that no OS was found.... if i pull the sata drives out the computer boots normally into Windows.


The SSD in the mSATA slot is formatted in GPT and legacy mode in the BiOS is disabled to force UEFI. I tried this with Legacy mode enabled... same issue.

I don't know how to force the BiOS to see "disk3" as primary boot device... The BiOS version is F.65

What am I missing here????
 
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keesey

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Sep 12, 2015
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I received this response from an HP employee on an HP forum:

Re: How to make the mSata SSD the primary boot device. HP Envy 17t-j000
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‎09-13-2015 11:24 AM
Well you are coming in here after a couple years of dealing with this, and I had a 17t-j029nr HP loaned me for my work here so I have been all through the wringer with it. The mSATA slot in that laptop is not designed to have the system or boot drive. It is designed to hold a 32 or 24 gig mSSD to be used as an Intel Rapid Storage acceleration drive. The hardware and BIOS is set up so that this mSSD slot will not be the boot drive if any regular SATA drive is installed. There are some very complicated workarounds that can let the mSSD be the OS drive but it involves using a bootloader so that part of the boot files are on the SATA drive which then hands over to the mSSD.

Just for fun you might see if a SATA drive only in the second bay will block the mSSD from booting. I cannot recall ever trying that and it might work because the second SATA slot is not bootable at all. But if you want to have 2 x SATA hard drives in the two bays, the drive in the primary bay must be configured to be in the boot process. There is a sticky at the top of the Notebook Upgrades board that tells exactly how to configure the bootloader thing. Not too many people have pulled that off as you will figure out if you try to duplicate it.

http://h30434.www3.hp.com/t5/Hardware-Upgrades-Replacements/HP-ENVY-17-j017sg-mSATA-amp-2xHDD/td-p/3...
 
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