![How to update the Machine Type and Model (MTM), System Serial Number (SN), or System Brand ID of system BIOS menu – ThinkCentre, ThinkStation - Lenovo Support UU How to update the Machine Type and Model (MTM), System Serial Number (SN), or System Brand ID of system BIOS menu – ThinkCentre, ThinkStation - Lenovo Support UU](https://download.lenovo.com/km/media/images/HT501039/P300%20Bios_20200102182540820.jpg)
How to update the Machine Type and Model (MTM), System Serial Number (SN), or System Brand ID of system BIOS menu – ThinkCentre, ThinkStation - Lenovo Support UU
![Lenovo on Twitter: "@DrRob_Thacker Try enabling the BIOS Back Flash in BIOS under configuration tab then rollback the BIOS. Let us know how it goes. Thanks. Auxen_Lenovo https://t.co/tJnC7mFMiV" / Twitter Lenovo on Twitter: "@DrRob_Thacker Try enabling the BIOS Back Flash in BIOS under configuration tab then rollback the BIOS. Let us know how it goes. Thanks. Auxen_Lenovo https://t.co/tJnC7mFMiV" / Twitter](https://pbs.twimg.com/media/EUPJybtWkAA5gRG.jpg)
Lenovo on Twitter: "@DrRob_Thacker Try enabling the BIOS Back Flash in BIOS under configuration tab then rollback the BIOS. Let us know how it goes. Thanks. Auxen_Lenovo https://t.co/tJnC7mFMiV" / Twitter
![Lenovo-Flex-5-after-bios-update-qualcomm-atheros-QCA61x4A-wireless-stops-working - English Community - LENOVO COMMUNITY Lenovo-Flex-5-after-bios-update-qualcomm-atheros-QCA61x4A-wireless-stops-working - English Community - LENOVO COMMUNITY](https://forumscdn.lenovo.com/old_attach/187470i8465C159697125AD.png)