I bought this board as an "open box" item. I need to know the serial number and can't find it on the board. I was at the ASUS website for help and they said to look on the side of the box it came in. It did not come in the retail box they referred to so I'm stuck. I am assuming that it must also be on the board somewhere. Some numbers I've seen and tried have been rejected by the ASUS website. Anyone know where I might find this?

Thanks.

Dani AI

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A short, practical checklist for based on the thread: if the retail box is not available, numeric serials for older consumer motherboards are sometimes stored in firmware and can be read by the OS or shown in the BIOS. The replies above point toward physical-label solutions; the steps below focus on non-destructive checks you can run immediately and what to do if they come up empty.

Try the BIOS/System Info first (press DEL at boot on most ASUS boards), then run a quick OS query.

Windows (Command Prompt or PowerShell):

wmic baseboard get product,Manufacturer,SerialNumber,Version

Microsoft documents the Win32_BaseBoard class and WMIC usage here: WMIC and Win32_BaseBoard.

Linux (root or sudo):

sudo dmidecode -s baseboard-serial-number

or

sudo dmidecode -t baseboard

Details on dmidecode are here: dmidecode project page.

If these commands return nothing useful (blank, "To be filled by O.E.M." or similar), the serial is likely only on a physical label. At that point, inspect the board edges, mounting-hole areas and connector zones for a small barcode sticker or stamped number. If the label is missing and the serial is required for registration or RMA, contact ASUS support with proof of purchase or the seller invoice; ASUS support is here: ASUS Support. Also check the original seller for sales records—open-box vendors sometimes keep the serial tied to the sale.

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I think it's only on the box. If it were to be on the motherboard it would be a sticker (as each board has its own s/n).

Look on the CPU side of the first PCI slot (not PCI-E). That's where mine was. Hope this helps.

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