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HP G10 devices not booting into PXE

Hi All,


I'm having an issue right now with the newest version of HP laptops booting into PXE.  The G9 laptops which seem to have the same BIOS.  When PXE booting, the device gets stuck at the following:


-------------------------------------------------------------

>>>Start PXE over IPv4.

Station IP address is (IP Address)


Server IP address is (IP of SDA)

NBP filename is ipxe.efi

NBP filesize is 687464 Bytes

Downloading NBP file...


NBP file downloaded successfully

iPXE initialising devices...

------------------------------------------------------------


From there, it does nothing else.  I'm not sure what to do beyond this.  Is there any change that was made to the iPXE information lately or needs to be done?


Thank you for any help!


0 Comments   [ + ] Show comments

Answers (13)

Answer Summary:
Posted by: ChorreraTownTech 11 months ago
Yellow Belt
1

Top Answer

Hi, my guess is that other machines work fine with ipxe but this one, if that is the case, there is not much that can be done from the SDA perspective. You can try using the ipxe debug to see if at least it shows more information, a specific error or something. You can see the details about that process here:

https://support.quest.com/kace-systems-deployment-appliance/kb/4268644/how-to-troubleshoot-pxe-boot-by-using-the-ipxe_debug-efi-binay


On the other hand, it looks like that model is problematic, I've seen a lot of forums complaining about similar problems with PxeBoot, see this as an example:

https://h30434.www3.hp.com/t5/Business-Notebooks/iPXE-and-HP-Elitebook-Gen10/td-p/8711112


So if you get no useful info from the iPxe debug, my next step would be using a network dongle or a docking station (if possible) as a work-around or reaching HP to see if the there is anything special that can be done on that model to fix the problem.

Posted by: Engelbrecht 10 months ago
Yellow Belt
1

Hello !

I was able to solve my problem. In fact, I had to reconfigure DHCP options in order to send the snponly.efi file instead of ipxe.efi file.

However, the snponly.efi file may not work with all the computers of your computer park but at least it works with G10 Models.


Hope it will help !


Comments:
  • I was going to ask. Is it going to mess with G9 and below models then? Also, do you just rename to snponly.efi, or do you have to re-create the rule in DHCP? - zgillette 10 months ago
Posted by: Engelbrecht 10 months ago
Yellow Belt
1

@ zgillette:  We tried some G6 models but no G9 models yet. I just modified DHCP options entry and restarted DHCP server service


9k=




Comments:
  • G6 models worked? If so, that's very promising. - zgillette 10 months ago
Posted by: zgillette 11 months ago
Fourth Degree Green Belt
0

Thank you for the feedback!  I'm working with HP and sent one of our problematic devices in to them to figure out.  I'll keep everyone here updated.  I'm going to keep this open until they figure it out.

Posted by: Engelbrecht 10 months ago
Yellow Belt
0

Hi,


is there any update /solution on this issue ? We are facing exact same issue (HP EliteBook 840 G10) and weren't able to solve it yet.

Posted by: Engelbrecht 10 months ago
Yellow Belt
0

We also checked that there is a newer Bios version for our 840G10 model which we will try later this week to use orginal DHCP settings with ipxe.efi again in order to have no issues with older models as well

Posted by: zgillette 10 months ago
Fourth Degree Green Belt
0

I just went in and changed the name to snponly.efi under the ipxe.efi entry and restarted the DHCP Server service.  However, it is still trying to boot through ipxe.efi.  Do I have to create an entirely new entry?

Posted by: Engelbrecht 10 months ago
Yellow Belt
0

No I didn't set new entry, Just modified entry and saved and restartet DHCP server service. Just to ensure. You changed settings on DHCP server which is responsible for clients you want to image right ? Asking because we have different DHCP Servers

Posted by: Engelbrecht 10 months ago
Yellow Belt
0

Did you check DHCP settings after change to show right entry ? Somethings I also forget to hit "apply"

Posted by: zgillette 10 months ago
Fourth Degree Green Belt
0

This is what I currently have:


hpb6AAAAAElFTkSuQmCC

Posted by: Engelbrecht 10 months ago
Yellow Belt
0

Hmm weired. And still not working ? Did you see my comment about latest Bios driver from HP. Did you check if there are newer ones for your model ? Or did you already install latest ones ? Did you try to delete the second entry (undionly.kpxe) just for testing it it works then?

Posted by: zgillette 10 months ago
Fourth Degree Green Belt
0

I guess I can disable the undionly, since that's quite old now.  I'm thinking I'm going to re-create the other one for just that particular subnet to see if that helps at all.

Posted by: zgillette 9 months ago
Fourth Degree Green Belt
0

So, in order to get it to work, all I had to do was rename the ipxe.efi to snponly.efi.  The problem was that I had 2 DHCP servers that weren't on HA.  I was fixing one, but the settings weren't going to the other.  After doing the other one, it worked!  Thank you all for your help.  


I still have a call in with my HP account exec and finding out why they aren't relaying this information to their customers.  If anyone would like to know what they say, let me know!

 
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