PRIME B350 PLUS bios update failure

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kapataki

Prominent
Apr 13, 2017
1
0
510
I tried to update my bios from v. 0515 to v. 0606 using EZUpdate on windows 10. But, bios was stuck for 2 hours, so I tried to restarting my pc and try updating in bios. But, when restarting, I only got black screen and fans running. The monitor does not respond at all. I have tried to use original CD to get to the boot screen, but I still didn't get any monitor response.
Please Help.
Thank You
 
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S

Susan_84

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Apr 14, 2017
5
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510
I have download the lastest BIOS und the Tool Brenamer.exe. I have a new USB-Drive witrh FAT32 and copy the 2 unpack fiiles of the usb-stick. I run the Tool and this tool modify the bios file. Now, i start with the usb drive the pc, but the same, black screen, now I reboot after 10 minutes, the same, black screen.

Are the steps right?
 
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Paul NZ

Polypheme
Sep 15, 2014
20,779
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61,010
The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process.

You can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the updated BIOS file

Before using this utility, rename the BIOS file in the removable device into PRB350PS.CAP
.
Turn on the system.

(Dont take too long plugging the flash drive in. Otherwise it'll try and boot).

Or put the flash drive in first then turn the system on

2. Insert the support DVD to the optical drive or the USB flash drive that contains the
BIOS file to the USB port.

3. The utility automatically checks the devices for the BIOS file. When found, the utility
reads the BIOS file and enters ASUS EZ Flash 2 utility automatically.

4. The system requires you to enter BIOS Setup to recover BIOS settings.

To ensure system compatibility and stability, we recommend that you press <F5> to load default
BIOS values


 
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sgodin02

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Apr 16, 2017
7
0
510
The exact same thing happened to me yesterday. CrashFree BIOS 3 doesn't help because I still can't see anything on the screen.

I tried booting from the support DVD and from a USB key with the properly renamed BIOS file. In each case I get 2 beeps (that's good, right?) but the monitor never gets a VGA signal from the video card and I can go no further.

Did all of us here fry our motherboards with the 606 BIOS update? Or is there still something we can do to recover?
 
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aaronb1

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Apr 17, 2017
2
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510


What steps did you take to boot from the support CD and USB? I have heard that when you hear two beeps, you are on the right track?


 
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aaronb1

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Apr 17, 2017
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510


I've taken all the correct steps also, but no luck.
 
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sgodin02

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Apr 16, 2017
7
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510


I simply rebooted the system with the ASUS driver/support disk in the DVD-ROM. Also I tried rebooting with a USB key plugged in with PRB350PS.CAP in the root directory. In both cases, the PC would start, beep twice, reboot, beep twice, and continue this in an endless loop.

If I boot the system without USB or DVD, it beeps twice and just hangs. Keyboard is not responsive (no NUMLOCK or CAPS light) and there is no video. If CrashFree BIOS 3 is meant to resolve such a case, what steps should I be taking next?

I've stripped down the motherboard to just a CPU, 1 stick of RAM and a GPU that I know works in another system.
 
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sgodin02

Prominent
Apr 16, 2017
7
0
510
Just spoke with ASUS support. Since the Prime B350 doesn't support "USB flashback", my only recourse with a corrupt BIOS is to send it in for servicing. Should have gotten the Crossfire VI!
 
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sgodin02

Prominent
Apr 16, 2017
7
0
510
Bloody confused now. Just read that my motherboard supports CrashFree BIOS 3, which is supposed to do the same thing as BIOS Flashback if I have a CPU and RAM running. So why can't I restore the BIOS myself?
 
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Paul NZ

Polypheme
Sep 15, 2014
20,779
3
61,010
Well yeah that's the point of crashfree bios.

It's not similar to flashback, because that'll work if the bios doesnt support the CPU. And you don't need the cpu or the ram

Crashfree bios is meant to restore or fix a corrupt bios. But you need ram and the cpu to do it

By the sounds of it crashfree bios doesn't work on this mobo
 
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M

Mikhail_9

Prominent
Apr 18, 2017
1
0
510


Have same issue and also failed to recover bios, but here is video https://www.youtube.com/watch?v=oJ1ovaiYeZY where somebody broke bios and then recovered it. So I suppose that there is some recovery mechanism and it works in some cases.
 
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speighty85

Commendable
Dec 3, 2016
1
0
1,510
Exact same problem here. I have the Asus Prime B350M-A motherboard. Tried updating BIOS today from the EZ flash utility built into BIOS itself (updating to version 606) and now I just get a black screen with the fans spinning.
 
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sgodin02

Prominent
Apr 16, 2017
7
0
510


 
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sgodin02

Prominent
Apr 16, 2017
7
0
510
Glad it works in some cases. No idea why it's not working for me. I just upgraded to a Crosshair VI and will try to sell the B350 after it's RMA'd and repaired.
 
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K

Koyabult

Commendable
Oct 2, 2016
35
0
1,530
happened to me as well. now im stuck, no screen response. no keyboard response, although my mouse lights up. I dont even get the beeps the others are getting.

i did the same process as the others, although I havent tried the support dvd (becasue I dont have a dvd drive) I tried using different USB's on different slots. nothing seems to work. RMA would take around a month, maybe more?
 
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