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Phosphor

Dell inspiron 17 cant find extra m.2 ssd drive

I just bought a new Dell Inspiron 17 2-in-1. There is allready a SanDisk X400 7mm SSD installed, but there is a slot for a M.2 SSD open.

I bought the M.2 version of the SanDisk X400 (500GB) for compatibility, but after plugin it in, it doesnt pick up?

Should I do some extra setting or installments?

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31 Replies
Rhodium

RE: Dell inspiron 17 cant find extra m.2 ssd drive

Which model 178 -- i.e., 7739, etc.?  Does the system setup (F2 at powerup) see the drive?

The X400 is a SATA M.2 drive -- some of the newer 17s such as the 7779 require a PCIe SSD, not SATA.

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aristotelesweb
Phosphor

RE: Dell inspiron 17 cant find extra m.2 ssd drive

Its the 7778 according to the specs. (It reads MOD,PLMRST,SLVR,BBY,7778 on the order)  I bought the X400 as that ssd was described in one of the other dell manuals of the inspiron 17?

In the bios it doesnt show, just the x400 7mm version which is already installed.

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aristotelesweb
Phosphor

RE: Dell inspiron 17 cant find extra m.2 ssd drive

According to the order if is a MOD,PLMRST,SLVR,BBY,7778.

I bought this SSD because I found other references to this M.2 drive in official dell inspiron documentation.

It doesnt show in the bios menu after startup.

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aristotelesweb
Phosphor

RE: Dell inspiron 17 cant find extra m.2 ssd drive

Hmm, I'm now confused. On my order it states its a MOD,PLMRST,SLVR,BBY,7778, so 7778.

But if I use my Service tag on the Dell site it states its a 7779.

Diving into the configuration on the Dell site is says :

Storage

Interface SATA 6 Gbps
Solid-state drive
  • M.2 drive
  • 2.5-inch drive
Hard drive One 2.5-inch drive

So, thats sounds to me it needs a SATA drive?

I just dont know right now.

Thanks a lot

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Rhodium

RE: Dell inspiron 17 cant find extra m.2 ssd drive

The M.2 model in this unit needs to be a PCIe interface (aka NVMe) -- not SATA.

example:

www.newegg.com/.../Product.aspx

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aristotelesweb
Phosphor

RE: Dell inspiron 17 cant find extra m.2 ssd drive

Thanks, I couldnt find anywhere in the specs it needed a PCIe interface. Where should I find that in the documentation?

If I need to buy a new SSD so be it, but rather not buy another one for nothing.

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Techtomic
Phosphor

RE: Dell inspiron 17 cant find extra m.2 ssd drive

I have the 7778 with 128GB SSD plus 1TB HDD, the SSD is in the M.2 slot and is a Toshiba SG5 THNSNK128GVN8 which appears to be a SATA 6Gbps device.

ejn63, where do you get the information that it is PCIe not SATA?

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aristotelesweb
Phosphor

RE: Dell inspiron 17 cant find extra m.2 ssd drive

I just bought a new PCIe SSD now, but still no effect? It still isnt finding the SDD, even at the boot menu??

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Rhodium

RE: Dell inspiron 17 cant find extra m.2 ssd drive

Does the BIOS (F2 at powerup) see the drive?

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