Think I Blew My Board !

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I was cobbling together a few older parts to build a PC and forgot to plug in the board power cable to the PSU.
Turned it on with the board power missing, all other cables connected OK, board will not boot into the BIOS, I think I bítched it up good and proper.

It was the 8 pin power connector that is generally located at the top left corner on ASUS boards that was missing its connection into the PSU.
The board was a Maximus IV Extreme Z, an old board but still does the job for a basic spec PC.

I tried to get it to boot to a BIOS ROM on a USB PC but no joy.
Is it a gonner or any chance of getting it back to life?

Thx
 
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It should still be fine, you shouldn't have damaged anything. Just install the old CPU, add the power connector and try booting.
 
It should still be fine, you shouldn't have damaged anything. Just install the old CPU, add the power connector and try booting.

This is my problem, the CPU is installed, all cabling now connected correctly but it wont boot into the BIOS or recognise a BIOS file on a USB.
If possible I would like to get it going as the Maximus IV Extreme-Z is a nice board and with an i7-2600k CPU is great for a general non gaming PC.

I will go and do some more tinkering to see if I can get it going. I bought a replacement second hand PSU, awaiting delivery, just in case it is a PSU issue.
The bios battery might be the issue as suggested above, definitely an option to look into.
 
Were some motherboard pins bent in the process by any chance?


The CPU was left in the socket with the cooling fan in place from when it was stripped out of a rig years ago.

Update (Good News)
I have it booting, another cabling error might have contributed to the problem. I had attached the SSD to the Marvel SATA port and this controller was disabled in the old BIOS.
Apart from the SATA port issue, I changed the onboard battery, cleared the CMOS with the button on the I/O panel and it booted.

I have updated the BIOS to the last released version and should now be good to go to install Windows 10.
Thanks to all who provided feedback, most appreciated.
 
Glad you got it sorted :)

cables.png
 
Yeah bios battery was always going to be
Biggest suspect
Given how old the board is
Especially if it had been sitting with no power
Going to it for a long time

Great you've got it going
The 2600k will overclock to around 4.7--4.8ghz
Pretty easily
And 5ghz is possible with it
Sheer clock speed won't overcome newer architecture
But it will help keep such an old cpu to be
still usable today
 
The build with the i7-2600k will only be used for web browsing, social media and office apps like excel and word, no gaming.
For the intended use I think it should be OK without overclocking?

The board and CPU were originally used for my very first PC build, before then I had bought off the shelf PC's.
In fact, I bought the board from the members marketplace on here. There is a bit of sentiment attached to the components.
 
Yeah probably be ok
But the 2600k is one of or is the actual best
Overclocking cpu ever
Capable of around 50% overclock from stock speed
Without extreme cooling needed
That's almost criminal not to stretch its legs a bit
 
Yeah probably be ok
But the 2600k is one of or is the actual best
Overclocking cpu ever
Capable of around 50% overclock from stock speed
Without extreme cooling needed
That's almost criminal not to stretch its legs a bit


If you put it like that I have a Corsair 120mm AIO doing nothing, I will strap that on to the CPU and tickle it a bit with a small overclock.
 
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