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Update BIOS without post

Joseph Eden1234
By Joseph Eden1234
in Troubleshooting
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7 minutes ago, Joseph Eden1234 said:

How do i update the bios without my pc posting.

What motherboard do you have? Some boards have an emergency recovery mode where you can flash the BIOS from a USB stick by holding down a key combination upon power on, while others have a button on the back to force a BIOS flash. (ASUS calls this BIOS Flashback, for instance.) However, if your board is bricked, or you have a newer CPU than the current BIOS supports, you might be out of luck.

Desktop: KiRaShi-Intel-2022 (i5-12600K, 5060 Ti) Mobile: Moto Razr 50 Ultra (Razr+ 2024) | 30GB CAN+US+MEX $30/month
Laptop: Lenovo Yoga 7i (16") 82UF0015US (i7-12700H, 16GB/2TB RAM/SSD, A370M GPU) Tablet: Lenovo Tab Plus (256GB)
Camera: Canon M6 Mark II | Canon Rebel T1i (500D) | Canon SX280 Music: Spotify Premium (CIRCA '08)

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15 minutes ago, kirashi said:

What motherboard do you have? Some boards have an emergency recovery mode where you can flash the BIOS from a USB stick by holding down a key combination upon power on, while others have a button on the back to force a BIOS flash. (ASUS calls this BIOS Flashback, for instance.) However, if your board is bricked, or you have a newer CPU than the current BIOS supports, you might be out of luck.

Asus b450 rog strix 

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14 minutes ago, Joseph Eden1234 said:

Asus b450 rog strix 

Your board might have Flashback, so you can consult the manual on ASUS website. However, if you're trying to put a newer AMD Zen CPU in it and your board doesn't have Flashback, you'll need to find a temporary AM4 (or compatible) CPU so you can boot & flash the BIOS first.

 

Desktop: KiRaShi-Intel-2022 (i5-12600K, 5060 Ti) Mobile: Moto Razr 50 Ultra (Razr+ 2024) | 30GB CAN+US+MEX $30/month
Laptop: Lenovo Yoga 7i (16") 82UF0015US (i7-12700H, 16GB/2TB RAM/SSD, A370M GPU) Tablet: Lenovo Tab Plus (256GB)
Camera: Canon M6 Mark II | Canon Rebel T1i (500D) | Canon SX280 Music: Spotify Premium (CIRCA '08)

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35 minutes ago, kirashi said:

Your board might have Flashback, so you can consult the manual on ASUS website. However, if you're trying to put a newer AMD Zen CPU in it and your board doesn't have Flashback, you'll need to find a temporary AM4 (or compatible) CPU so you can boot & flash the BIOS first.

 

It does not have bios flashback

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