Help with install HP EliteBook 840 G2 along with M.2 Toshiba RC100

I removed the SATA SSD from my Elitebook 840 G2 (P4C18UC#ABA) and installed a Toshiba RC100 in the M.2 slot, but the drive does not appear as an available boot device.

I have that same problem. I bought Toshiba RC100 M.2 SSD but can't use it.

I have the exact same issue with a Elitebook 850 G2...

Elitebook 840 G2 does not boot from NVMe; detected in OS; bo... - HP Support Community - 6864413

Page 62 of the manual:
http://h10032.www1.hp.com/ctg/Manual/c04560057


256-GB, 2260.M2, PCIe-2×2 solid-state drive for use on all computer models part number 803381-001

Solved: What M.2 ssd is comp. with my eiltebook 840 g2? - HP Support Community - 5852896

[SOLVED] Which SSD for my HP Laptop - Tech Support Forum

It appears that machine only supports a 256gb 2260 nvme. And possibly only only a very specific one.

My laptop supports up to 256GB of M.2 SSD PCIe 2x2. Going to go with either the Crucial MX200 250GB, $125 @ Amazon, or the Transcend MTS600 256GB, $135 @ Amazon.

MicroCenter had a good deal on a Micron M600 256GB for $70 but they are sold out.

He didn't post again, so we don't know if any of those work.

Without further information,you might be better off with a sata ssd. Let's hope that works for you.

stefan4o said:

Thanks for the post.
I`ve downloaded this file 7UPv40.I`ve copy all consisted files and folders on the USB bootable flash. "
Am I did it in the right way? Or did something wrong?
.

The idea is to run 7upv40.cmd ( rt click it and run as administrator) . It then asks you to browse to folder containing the installation media.

It will then integrate the included drivers ( and optionally Simplix update pack) into the installation media.

It does that by mounting the boot.wim, integrates drivers and/or updates, then unmounts boot.wim.

Next it mounts install.wim ( whichever edition you selected),integrates drivers and/or updates, then unmounts install.wim.