Win7 system boot prompt CLIENT MAC ADDR processing skills

When booting a Windows 7 64-bit system, you may encounter a prompt on the screen that says "CLIENT MAC ADDR." The system gets stuck at this interface and takes a long time to reach the login screen. This issue can be frustrating, but it has a clear cause and a straightforward solution.

The main reason for this prompt is that the network card's BOOT ROM or PXE (Preboot Execution Environment) chip is enabled. This feature is designed to allow the computer to boot from the network, which is commonly used in enterprise environments. However, if it's not needed, it can interfere with the normal boot process of your system.

To resolve this issue, you need to disable the network boot option in either the BIOS settings or the network card configuration menu. Here’s how you can do it:

1. During the boot process, watch the screen carefully. You should see a message like “Press Shift-F10 to Configure...” This message usually appears for about 3 to 10 seconds, depending on your system settings. As soon as it appears, press the “Shift + F10” keys quickly to enter the network card settings interface.

In this blue interface, you will see several options:

  • Item 1: Network Boot Protocol – Default is set to PXE. You can leave this as is if you need network booting, but if not, you might want to change it.
  • Item 2: Boot Order – Press Enter to access this option. Select “Rom Disable” to prevent the network card from prompting every time you start your PC.
  • Item 3: Show Config Message – Set this to “Disable” to stop the “Shift F10” prompt from appearing.
  • Item 4: Show Message Time – By default, it is set to 3 seconds. You can adjust this time if needed.

2. After making the necessary changes, press “F4” to save and exit the settings. Restart your computer to apply the changes.

If your system uses an integrated network card, you can also disable the Boot ROM through the BIOS settings. To do this:

- Press the “Del” key during startup to enter the BIOS setup.

- Look for an option called “Onboard LAN Boot Rom” or similar.

- Set this option to “Disable.”

- Press “F10” to save and exit.

- Restart your computer to see the changes take effect.

Once these steps are completed, the “CLIENT MAC ADDR” prompt should no longer appear, and your system should boot normally without delays. This issue is common on older systems with legacy network boot features enabled, so it's always a good idea to check these settings if you're experiencing slow boot times or unexpected prompts.

By following the steps above, you can easily fix the problem and ensure a smoother boot process for your Windows 7 system.

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