System error when turned on
My pc shows an error message when turned on about product patents, client Mac address.
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- BIOS/UEFI configuration issue
- If the system can’t find a valid boot drive, it tries to boot over the network (PXE boot). That’s when you see Client MAC address and patent/product messages.
- Missing/Corrupted DMI (Desktop Management Interface) info
- Sometimes after a motherboard replacement or BIOS reset, system-specific info (like product number, serial number, etc.) isn’t written to the BIOS properly. HP, Dell, and Lenovo systems often throw “Product Information Not Valid” errors in that case.
- Hard Drive / Boot Device issue
- If your storage drive isn’t detected or has failed, the PC skips to network boot.
How to Fix-
- Check Boot Order
- Enter BIOS/UEFI (usually press F2, F10, ESC, or DEL at startup).
- Ensure your hard drive/SSD is listed as the first boot device, not “Network Boot” or PXE.
- Reconnect Storage Drive
- Power off the PC, reseat the HDD/SSD cables (or NVMe drive) to ensure it’s properly connected.
- Reset BIOS
- In BIOS, look for “Load Optimized Defaults” or “Reset to Defaults” and save.
- Check for DMI/Serial Info
- If the error mentions product patents or product info not valid, it may require reprogramming the system board information (usually only a service center or manufacturer tool can do this).
- Disable PXE Boot
- If you don’t use network booting, disable PXE/Network Boot from BIOS.
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