Let me know your motherboard or laptop model for more specific steps.
Here’s a professional, clear post suitable for a tech forum, blog, or Reddit (e.g., r/ASUS, r/techsupport): How to Change the ASUS OEM Logo (Boot Logo) – BMP & ZIP Guide asus oem logo bmp zip
Reply below and I can share a link to a pre-packed, ready-to-use set. Let me know your motherboard or laptop model