HP Elitedesk 800 G2 SFF: external hard drive not detected in the BIOS. Only USB Flash drives are detected.

Hi all

I received recently 2 new HP desktop computers.

HP Elitedesk 800 G2 SFF

HP Elitedesk 800 G2 TWR

The goal is to test our real W7 x 64 image on these machines and to inject the missing drivers in the image.

MDT 2010 to create a deployment on a USB hard disk drive.

This disc of deployment is already used on 16 different models of HP in the company (Elitebook, zBook, EliteDesk) to install our image so I know it works.

Unfortunately, the two HP Elitedesk 800 G2, I can't start the boot disk but I cannot to USB for a USB key.

The USB drive is not detected and not proposed in the BIOS Menu of STARTUP.

Only the internal HD, external USB Flash Disk, DVD and network devices are detected.

Here's what I already checked or tried:

  • Latest Version of the BIOS installed (2.05)
  • UEFI Boot has been disabled. (not supported by our record of deployment)
  • USB ports are enabled (front and rear).
  • All types of USB devices are allowed in the BIOS
  • The start command has been changed to start with USB devices.
  • Legacy support is active and Secure Boot disabled
  • Delete the keys to secure boot
  • Reset secure by default startup keys
  • This morning, I created a new disk deployment on a USB Flash drive and it works!

So, it seems that only Flash USB drives are detected.

I know it is possible to return the flag removalble on a USB device to cheat the system and make it appear as a disk fixed, but I want a simple solution.

Does anyone know a fix or a workaround for this problem?

Thanks in advance!

For those interested in the answer, here's the final results.

It turns out that the hard 500 GB external drive can be detected if it is fomatted in FAT32.

It's strange because my 16 GB USB Flash drive formatted in NTFS works very well.

In any case, I'll create a FAT32 Partition to the Boot MDT files and put my picture (because the file is too big for FAT32 partition) on the secondary partition (formatted as NTFS).

Thanks to the technical pre-sales team of HP who helped me with this!

Tags: HP Desktops

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