Precision 7875 Tower Cannot Boot to PXE Server and Continue to Boot to OS

Summary: Precision 7875 Tower cannot boot to PXE server and continues to boot to OS when waking from S5 over Intel I226 NIC with BIOS setting for Wake-on-LAN as "LAN with PXE Boot" and Deep Sleep set to Disabled. ...

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Symptoms

Precision 7875 Tower cannot boot to the PXE server and continues to boot to OS. This occurs when the user sets the BIOS settings Wake-on-LAN to "LAN with PXE Boot" and Deep Sleep to Disabled with an Intel I226 NIC card to wake from S5 sleep.

Affected Platforms:

  • Precision 7875 Tower

 

Cause

Precision 7875 Tower cannot find PCIe endpoint LAN device Power Management Event (PME) status, then cause the system to be unable to boot to PXE when Wake-on-LAN (WOL).

 

Resolution

Recovery:

Manually change the BIOS setting "Deep sleep" to Enable S4/S5 (Default) and "Boot Sequence" to I226 NIC card for PXE boot.

 

Affected Products

Precision 7875 Tower
Article Properties
Article Number: 000349090
Article Type: Solution
Last Modified: 15 Sept 2025
Version:  2
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