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How to update bios without a compatible cpu

Lemmein
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Posted

I got 13400f and asus b660m-k

 

The monitor and peripherals aren't turning on which made me suspect a bios update is needed

 

Do I have to go somewhere to find a compatible cpu and update the bios or can I do something without having to go outside?

 

I can't find the Asus usb bios flashback in the features of the mobo, no luck? 

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Posted

The MB doesn't look to have Flashback. Only Flashback can flash a BIOS without a CPU installed.

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3 minutes ago, StDragon said:

The MB doesn't look to have Flashback. Only Flashback can flash a BIOS without a CPU installed.

And how can I make sure that's actually the problem? The bios update? 

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4 minutes ago, Lemmein said:

And how can I make sure that's actually the problem? The bios update? 

check the label on the board. If it's lower than 1620 and never been updated it's the bios.

 

https://www.asus.com/support/FAQ/1044755/#:~:text=The bios version is bottom,shipped with bios version 0403.

Main PC:

CPU: AMD Ryzen 5 5600X | RAM:Corsair LPX 3200 mhz (16Gb) 

Mobo:ASUS Strix B550-F Wifi | GPU: MSI RTX 2070 Gaming Z

Case: Sharkoon Nightshark RGB| Storage: 500 GB 970 EVO Plus 1 TB WD blue 500 GB Samsung HDD

Monitor: iiyama G-Master G2470HSU-B1 165Hz

Powersupply: Be Quiet straight Power 10 500 watt

 

 

Main Laptop

CPU: AMD Ryzen 7 4800H | RAM: Team group 16 GB 2666 mhz

GPU: RTX 2060 (MXM swappable)

Monitor: 1080p 120Hz

Storage: 2x 1 TB Samsung 970 EVO NVMe (no raid)

 

 

Second Laptop

CPU: Intel Core I5 1235u,  RAM: Samsung 8 GB 3200 mhz

GPU: IrisXe 80 eu

Storage: 512 GB WD Digital SN530 NVMe

 

Phone:

Xiaomi MI 11

 

Work Phone:

Galaxy A50

 

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Posted

Right, 1620 was released in August of 2022. Current BIOS rev is 2403 released April 2023.

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