Problems Installing Windows XP on A20p

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Symptoms

When you try to run Windows XP Setup on your A20p IBM ThinkPad laptop computer, you may receive the following error message:

Setup has determined that the BIOS on your computer must be updated before you can install Windows XP.

Diagnosis

This issue can occur if you are using an out-of-date BIOS with your A20p IBM ThinkPad laptop computer.

Solution

To resolve this issue, obtain and install a BIOS version that is higher than version 1.04 for your A20p IBM ThinkPad laptop computer.