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Motherboard won't boot after bios update

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I just USB flashed my ASRock Z68 bios to 2.10, and although all messages said the update was successful and I can get into the UEFI setup utility, Windows won't actually boot. It just keeps blue-screening saying 'boot device inaccessible'.

 

Any advice would be gratefully received!!!

i910900k, RTX 3090, 32GB DDR4 RAM, AW3423DW, Ruddy girt big mug of Yorkshire Tea

I just USB flashed my ASRock Z68 bios to 2.10, and although all messages said the update was successful and I can get into the UEFI setup utility, Windows won't actually boot. It just keeps blue-screening saying 'boot device inaccessible'.

 

Any advice would be gratefully received!!!

 

 

Try going back to the last working bios - bios updating is over rated

Rich Sennett

               

Your bios is probably reset to the factory default settings and messed up the boot order.

Try setting the primary boot device to your windows partition.

I always buy MBs with dual bios. Check if yours have it, then switch to the other bios.

Simmerhead - Making the virtual skies unsafe since 1987! 

  • Author

OK, cheers guys, got it. Storage had been reset from AHCI to IDE...

i910900k, RTX 3090, 32GB DDR4 RAM, AW3423DW, Ruddy girt big mug of Yorkshire Tea

OK, cheers guys, got it. Storage had been reset from AHCI to IDE...

 

Yup thats a problem - good find 

Rich Sennett

               

  • Author

Yeah, I think you have a point when you say bios updating is overrated.

i910900k, RTX 3090, 32GB DDR4 RAM, AW3423DW, Ruddy girt big mug of Yorkshire Tea

Yeah, I think you have a point when you say bios updating is overrated.

 

Well, sometimes bios updating can help with getting a better overclock or in getting better compatibility with updated processors, etc. 

 

Though the safe rule of course is that if it isn't broken, don't fix it.  =@

We are all connected..... To each other, biologically...... To the Earth, chemically...... To the rest of the Universe atomically.
 
Devons rig
Intel Core i5 13600K @ 5.1GHz / G.SKILL Trident Z5 RGB Series Ram 64GB / GIGABYTE GeForce RTX 4070 Ti GAMING OC 12G Graphics Card / Sound Blaster Z / Meta Quest 2 VR Headset / Klipsch® Promedia 2.1 Computer Speakers / ASUS ROG SWIFT PG279Q ‑ 27" IPS LED Monitor ‑ QHD / 1x Samsung SSD 850 EVO 500GB / 2x Samsung SSD 860 EVO 1TB /  1x Samsung - 970 EVO Plus 2TB NVMe /  1x Samsung 980 NVMe 1TB / 2 other regular hd's with up to 10 terabyte capacity / Windows 11 Pro 64-bit / Gigabyte Z790 Aorus Elite AX Motherboard LGA 1700 DDR5

BIOS updates are NOT overatted. In fact they are often vital in regard to new platforms. They are also vital to enable support for new CPU's.

 

If you have a new platform with the inevitable issues with a new platform, yes, update.

 

If you are an overclocker and the new BIOS offers increased stability, yes update.

 

In short, if the update has something you need, go for it, if not, don't.

 

BIOS updates are also much,:much safer than they were in the past.

 

MB manufacturers don't go to the trouble of creating a new BIOS for nothing, someone somewhere needs it.

  • Author

Well, this update has played merry hell with my overclock. Temperatures are going through the roof.

 

Is there any way to revert other than taking the CMOS battery out? Unfortunately ASUS doesn't seem to host legacy bios versions on its website...

i910900k, RTX 3090, 32GB DDR4 RAM, AW3423DW, Ruddy girt big mug of Yorkshire Tea

Well, this update has played merry hell with my overclock. Temperatures are going through the roof.

 

Is there any way to revert other than taking the CMOS battery out? Unfortunately ASUS doesn't seem to host legacy bios versions on its website...

 

Doesn't the update process automatically make a backup of the existing bios in case things go wrong?

We are all connected..... To each other, biologically...... To the Earth, chemically...... To the rest of the Universe atomically.
 
Devons rig
Intel Core i5 13600K @ 5.1GHz / G.SKILL Trident Z5 RGB Series Ram 64GB / GIGABYTE GeForce RTX 4070 Ti GAMING OC 12G Graphics Card / Sound Blaster Z / Meta Quest 2 VR Headset / Klipsch® Promedia 2.1 Computer Speakers / ASUS ROG SWIFT PG279Q ‑ 27" IPS LED Monitor ‑ QHD / 1x Samsung SSD 850 EVO 500GB / 2x Samsung SSD 860 EVO 1TB /  1x Samsung - 970 EVO Plus 2TB NVMe /  1x Samsung 980 NVMe 1TB / 2 other regular hd's with up to 10 terabyte capacity / Windows 11 Pro 64-bit / Gigabyte Z790 Aorus Elite AX Motherboard LGA 1700 DDR5

Well, this update has played merry hell with my overclock. Temperatures are going through the roof.

 

Is there any way to revert other than taking the CMOS battery out? Unfortunately ASUS doesn't seem to host legacy bios versions on its website...

Maybe you should decide if you own an ASRock or Asus motherboard first?

Simmerhead - Making the virtual skies unsafe since 1987! 

  • Author

Sorry, ASRock...

i910900k, RTX 3090, 32GB DDR4 RAM, AW3423DW, Ruddy girt big mug of Yorkshire Tea

I just USB flashed my ASRock Z68 bios to 2.10, and although all messages said the update was successful and I can get into the UEFI setup utility, Windows won't actually boot. It just keeps blue-screening saying 'boot device inaccessible'.

 

Any advice would be gratefully received!!!

You have to go into the BIOS and tell it what is your boot drive.  Look for a Boot tab and go through those options and make sure your primary HDD is shown as the boot drive (the one that has Windows).  BIOS updates are mostly required as they fix bugs.

 

Best regards,

Jim

Jim Young | AVSIM Online! - Simming's Premier Resource!

Member, AVSIM Board of Directors - Serving AVSIM since 2001

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ASRock...

 

Ouch.

We are all connected..... To each other, biologically...... To the Earth, chemically...... To the rest of the Universe atomically.
 
Devons rig
Intel Core i5 13600K @ 5.1GHz / G.SKILL Trident Z5 RGB Series Ram 64GB / GIGABYTE GeForce RTX 4070 Ti GAMING OC 12G Graphics Card / Sound Blaster Z / Meta Quest 2 VR Headset / Klipsch® Promedia 2.1 Computer Speakers / ASUS ROG SWIFT PG279Q ‑ 27" IPS LED Monitor ‑ QHD / 1x Samsung SSD 850 EVO 500GB / 2x Samsung SSD 860 EVO 1TB /  1x Samsung - 970 EVO Plus 2TB NVMe /  1x Samsung 980 NVMe 1TB / 2 other regular hd's with up to 10 terabyte capacity / Windows 11 Pro 64-bit / Gigabyte Z790 Aorus Elite AX Motherboard LGA 1700 DDR5

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