Bad BIOS flash, no post, no display!! P5B Deluxe

I'll try to stay calm.

OK, I made something very stupid yesterday. I tried to update my BIOS on my P5B Deluxe mobo to permit installing my new Q6700 from my E6600. I was on version 614 and tried to installed the new 1226 one.

So to resume, I first took note of my old settings, load the default ones, and restart going into EZ Flash 2 by pressing Alt-F2 at start-up. My BIOS was on a USB key but it wasn't detected. Only the DVD reader was.

Here's comes the STUPID part. Instead of burning the BIOS on a CD, I started Windows and tried updating from Asus Update.... after disabling my Kaspersky AV of course. It erased my 614 BIOS without problems, installed the 1226 one without problems also, but it couldn't verify the install after. It told me to try again but upon starting Asus Update again, I was told that no BIOS had been found and it crashed. I did it about 10 times alwayd with the same results.

So I was left with no choice but to restart hoping for the best. At restard I didn't even get a beep if my memory is right (from panic let me tell you). All seemed to be working, but there was absolutly no display on my screen. Since it was already 1:00 at night, I shut down my PC and went to bed. Now I'm at work and I searched a bit of info before posting here.

From what I've seen, I think I should first clear the CMOS battery and put the jumper also for it. After that (or before) I should install a floppy. With the floppy I made at work this morning (with the 1226 BIOS install as p5bd1226.rom), I should restart the PC with the floppy disk in and let the BIOS announce a bad checksum from the unerasable part of the BIOS and let it search for a new BIOS from a floppy. I might take a real long time I've been told. It should then installl the new BIOS to replace the corrupt (missing?) one!

Otherwise, should I get a new P5B Deluxe mobo to switch it and just RMA my old one? Will it bbe recoverable at all?

Let me if I'm right and what exactly I should do.... OH!!! For the other ones reading this, don't do like me (this is being STUPID and not listening to the loud ringing alarm bell in your head because it's late and you're tired)... don't guess updating your BIOS will go flawlessly like I did!!! First and last time for me.

To make a mistake is not so bad, what is is not learning from it!!!!

Since the company likely won't cover your mistake under warranty, RMAing the MB may cost you money. Normally you can just order a replacement BIOS chip from the manufacturer (or from a few small-scale BIOS vendors online), and swap out your current BIOS chip with the new one. After that, you should be good to go.

I already got a new P5B Deluxe. So, if I can (after clearing CMOS with both jumper and battery removal) flash my BIOS again, I'll have a new mobo to put in my old cpu (E6600). If I can't, I'll just use my new mobo... hoping that the BIOS is recent enough!

Anyway, from what I read until now, I should be able to reflash through a floppy disk. I'll sure let you know.

Yes, kai, you are a brave and skilled PC surgeon!

Without reading the entire post... did you read page 4-8 of the user manual? It indicates that there is a USB option for BIOS recovery...

Connect the laptop to another external display and you will see that the bios is corrupt and it needs you to put a usb or cd rom withh the bios file, i have the same problem now. but i cannot find a .bin for my bios.