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Can't detect Samsung 850 EVO 500GB SSD (2nd now after exchange)

Ichinisan

Lifer
Oct 9, 2002
28,298
1,235
136
Working on a laptop for someone. Toshiba Satellite L75-A7285 with failing Toshiba MQ01ABD075 HDD (2.5" SATA).

Bought a Samsung 850 EVO 500GB SSD (2.5" SATA) to replace it. Model: MZ-75E500

Made an install DVD with the latest Windows 10 Fall Creators Update. After I select "custom install," the next screen shows no drives detected.

I entered the BIOS / UEFI setup and it also shows "HDD/SSD: None"

I took it out and connected it to my desktop using a Seagate SATA to USB 3.0 cable (like this) that is normally used with a Seagate portable hard drive. I've used it fine in the past with other 2.5" SATA SSDs and HDDs. When the cable is connected to my desktop PC with this Samsung SSD, Windows doesn't even sense that I've connected a USB device. I connected the dying HDD with the same Seagate cable and it detects just fine -- appearing in Windows as a secondary drive.

I exchanged the SSD at Best Buy and the replacement does the same thing. Then I tried the SSD in a Kingston USB 2.0 enclosure (the enclosure was included with an old 64GB SSD I had a long time ago). Now the secondary 500GB drive appears in Disk Management on my desktop PC (no partitions, of course).

So why do the laptop and the Seagate USB cable fail to detect this drive?

Will I need to disable "Secure Boot" in the Toshiba BIOS to do a clean Windows install?

Thanks!

[edit]

Never mind. I'm an idiot. It seemed like there was no way to position the drive incorrectly and secure it with the mounting screws, but the laptop's design only supports one side and the drive was not connecting to the laptop's SATA connector. Doh!

I need to get my eyes checked...

So that still leaves me wondering why this drive doesn't work with the Seagate SATA to USB 3.0 cable. Maybe it needs to have a partition or something.
 
Last edited:

UsandThem

Elite Member
May 4, 2000
16,068
7,383
146
I'm not sure about the secure boot off-hand, but I do know when I first hook up SSDs to my computer via a USB cable to clone them, I first have to go into disk management and make them online.

Someone else will likely dealt with the secure boot question, so hopefully someone will have an answer for that part.
 

daveybrat

Elite Member
Super Moderator
Jan 31, 2000
5,811
1,025
126
Working on a laptop for someone. Toshiba Satellite L75-A7285 with failing Toshiba MQ01ABD075 HDD (2.5" SATA).

Bought a Samsung 850 EVO 500GB SSD (2.5" SATA) to replace it. Model: MZ-75E500

Made an install DVD with the latest Windows 10 Fall Creators Update. After I select "custom install," the next screen shows no drives detected.

I entered the BIOS / UEFI setup and it also shows "HDD/SSD: None"

I took it out and connected it to my desktop using a Seagate SATA to USB 3.0 cable (like this) that is normally used with a Seagate portable hard drive. I've used it fine in the past with other 2.5" SATA SSDs and HDDs. When the cable is connected to my desktop PC with this Samsung SSD, Windows doesn't even sense that I've connected a USB device. I connected the dying HDD with the same Seagate cable and it detects just fine -- appearing in Windows as a secondary drive.

I exchanged the SSD at Best Buy and the replacement does the same thing. Then I tried the SSD in a Kingston USB 2.0 enclosure (the enclosure was included with an old 64GB SSD I had a long time ago). Now the secondary 500GB drive appears in Disk Management on my desktop PC (no partitions, of course).

So why do the laptop and the Seagate USB cable fail to detect this drive?

Will I need to disable "Secure Boot" in the Toshiba BIOS to do a clean Windows install?

Thanks!

[edit]

Never mind. I'm an idiot. It seemed like there was no way to position the drive incorrectly and secure it with the mounting screws, but the laptop's design only supports one side and the drive was not connecting to the laptop's SATA connector. Doh!

I need to get my eyes checked...

So that still leaves me wondering why this drive doesn't work with the Seagate SATA to USB 3.0 cable. Maybe it needs to have a partition or something.

I figured that was it. If the bios wasn't even recognizing the drive, something had to be wrong with how it was connected.

Also, it's best to turn off secure boot when reinstalling Windows on the new drive. Best of luck!
 

Ranulf

Platinum Member
Jul 18, 2001
2,862
2,510
136
So that still leaves me wondering why this drive doesn't work with the Seagate SATA to USB 3.0 cable. Maybe it needs to have a partition or something.

It could be that the samsung doesn't like the cable's power or data connections (not fully plugged in, loose connection maybe). In my experience some hd docks and adapters can just be wonky with some drives and usb ports. Are you using the same usb port on your desktop for each attempt? Maybe a usb 2.0 or 3.0 issue. If possible, connect up the samsung ssd to an internal sata port on your desktop and clone the data over that way?