It does not sound like a compatibility issue, 2.5" SATA SSDs are less likely to be incompatible, as much as it sounds like a defective drive. If possible try another SATA drive brand just to confirm the issue is not one of compatibility. You can also try running diagnostics (tap F12 immediately at boot) to check the drive for problems.

Thanks for the quick answer.

I have a small (120G) Samsung SSD that I can try but if it work I will never know if the Kingstone is defective or not compatibile. I should try another identical drive to address this issue, but I don't have it. Also I'm a bit reluctant to risk and buy another drive just for test...

Btw 've already run the F12 diagnostic with the SSD installed and detected but no problem was reported. As said before sometime the PC don't even see the drive at all.

Also the official Kingstone utility (running on another pc) reports no problem....

I have never heard of the Kingstone brand.

There is a Kingston brand which is very reputable.

The Samsung SSD will help troubleshoot. 

Yes sorry of course is Kingston without the final "e"...

I will try with the Samsung an I will report my findings, but in the meantime is there an official list of supported SDD deives for this machine?

Eventually I will go with an m2 unit and the appropriate mechanical brackets ....

It is true that the older Latitudes have displayed this problem when changing mechanical 2.5's for SSDs. For your machine, the HDD/SDD is accessed by removing the bottom cover; correct?

I would examine the original HDD and the chassis and see if there was grounding provided by contact between the two. The SSDs are thinner so perhaps this is the issue. The far end of the SATA cable must connect to the motherboard so I would also look there (a ribbon cable).

Yes, the drive is easily accessed from the bottom cover.

By examining bettere the two drives side by side I'm noticing that the original HDD drive is exactly as slim as the new SSD.
I never noticed that before but infact the old unit is marked as "Laptop Thin HDD" from Seagate (1KJ152-033).

Unfortunately I cannot see any ground strip or similar grounding point connection... Also on the motherboard connector there is no special grounding, ony a simple connector.
FYI: if you would like to have a better idea of the connection system, the xDD <-> motherboard cable is marked adm70_hdd_cable.

I'm planning to try with the samsung SSD unit today and report back the results.

I've done some tests with the Samsung drive.

No problem so far. The system boots up flawlessly.
It seems like the Kingston unit is defective or not compatible....
I've contacted the tech support. I will report here their response.

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@ CredibleBH wrote:

Hi to all this fantastic DELL community!

I've recently bought a kingstone SA400S37/480G SSD drive to update my E5470.
I've chosen a good old plain 2.5 inches drive to avoid needs for special mechanical supports, since my PC has an HDD drive.

I've done a complete system reinstall (Win 10) without copy anything from the old HDD drive.
The problem is that I cannot obtain a stable behaviour of the system.
Shortly after the new installation, the system started to give problems. Every so often the message "No bootable device found" would appear at start-up. Then also lot of windows startup recovery screen without apparent justification...

I've done a bios update to newest version (1.29.4) and reinstalled again from scratch but with no luck.

I've check for a FW update from kingstone, but the one already installed on the drive is up to date.
I've also check the drive health with another PC and I can confirm that the new drive has no issue whatsoever.

My actual bios config is:
- boot sequence -> UEFI
- legacy option ROM -> disabled
- sata operation -> AHCI
- secure boot -> enabled

I've also tried many other combinations but without any luck.

I've read about some mechanical issues on other dell notebook with some drive that needs some kind of spacer to make contact with the onboard SATA connector, but this is not the case infact my system has a little cable to connect the drive to the board.

I can confirm that my old HDD drive boots up without any issue.

I'm starting to think that I'm facing a compatibility issue.
Infact sometime, pressing F12 at startup, I cannot even see the primary drive listed.

I'd like to know if this is a known issue and if there is a solution.
Also, I'm not pretending to get a patch on such old system, but if no solutions for this drive are available, I'd like to have a some sort of compatibility list of drives in order to get a new one that has no issue with my system (in this case I'm looking for a 480GB or more)

Thanks very much for the support!
Gianluca

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Btw 've already run the F12 diagnostic with the SSD installed and detected but no problem was reported. As said before sometime the PC don't even see the drive at all.

Can you mount the Kingston SSD as an external USB drive on another machine and run the Disk Management utility?

Yes, I can, and I've already tried mounting the Kingston drive using a UBS/Sata converter.
Unfortunately I haven't run the Disk Management utility, but I honestly don't see the point in doing so, since everything seems to work absolutely fine with the Kingston drive. I can access it whenever I plug it into a USB port.
I used the Kingston SSD Manager utility to look for an fw update (none available) and to check if there was any error in the log but no, absolutely no errors or warnings as you would expect from an SSD with less than 20 hours of life.

It's ridiculous but the Kingston drive seems to have no problems at all! Also my Dell seems to have no problems with other SSDs.
As mentioned, I tried the small Samsung one and no problem. More than 30 reboots and no problem so far.

The more I look into it, the more I think it's a very uncommon compatibility issue....

YES! It is exactly this model!

Welcome to the Dell Community @Gianluca Locri 

Is this the drive you are using???

Best regards,

U2

Could you at any point mount the Kingston SSD as an outside USB drive on another machine and run the Circle The executives utility? CredibleBH Login 

Is the Disk Management tool available when the Kingston SSD is mounted as a USB drive on another computer?