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theburninator92

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Aug 1, 2013
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The PC I'm building won't boot, thought it was the PSU got a new one and that wasn't the problem. All fans/lights work for roughly 3 seconds and then shut off not even making it into bios.. It wouldn't even boot out of the case with the minimum hooked too it... Have tried the cmos battery 3 times, re-seating/re-installing EVERYTHING,switching power supplies,checked case for any metal that could be potentially causing a short and of course discovered absolutely nothing. I don't have any beep codes (the speaker is hooked up and in the right configuration as I've checked 6 times).Absolutely everything is hooked up and in the right places according to the mobo manual.. Is there anything else I can do before I call it a bad motherboard?
 
Solution
Shaun o
The board will support the cpu you have like I said depending on the bios revision.

So you now need to locate the revision of the bios number, that can be found on the motherboard by looking at it. Located near the bios chip or the coin cell battery in small writing eg: v2.0.

By the look of it you require a bios update.

The board requires a bios version of v2.3 or later to be able to recognize your cpu so the motherboard will boot with the i5 3570k in the cpu socket of the board.

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Shaun o

Shaun o

Illustrious
Oct 7, 2007
6,113
1
41,960
Could you please list the maker of the motherboard, and it`s model number.
The cpu you are using and it`s wattage.

Providing you have the 24 pin atx power block connected to the board, and also the four pin or eight pin 12v power block also plugged in located next to or near the cpu socket
the system should boot if you also have your memory placed in.

If it does not, there are a few causes as to why the board will not post to bios.
The first one to check is can the board support the cpu you have bought.

There are two very important factors here.

First the wattage of the cpu, and the wattage of the cpu the board can support via it`s cpu socket.

So you will need to check that.
If the board cannot provide enough wattage to drive the cpu it will not post to the bios.

The second likely cause is the bios revision of the motherboard is too low to support the cpu you have and will require an update of the bios before it will detect the cpu and boot to the bios.

If it is the case then you will have to find a cpu that will work with the current factory installed bios revision of the board.

Update the bios to the revision that will support your cpu.

The revision of the bios will be marked or printed on the bios chip it`s self or close to it on the board.

Check all of this via the website of the provider of the board with it`s model number.
I think you will find the cause is one of the two I have mentioned to you as why the board will not post to the bios.
 
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Shaun o

Shaun o

Illustrious
Oct 7, 2007
6,113
1
41,960
The board will support the cpu you have like I said depending on the bios revision.

So you now need to locate the revision of the bios number, that can be found on the motherboard by looking at it. Located near the bios chip or the coin cell battery in small writing eg: v2.0.

By the look of it you require a bios update.

The board requires a bios version of v2.3 or later to be able to recognize your cpu so the motherboard will boot with the i5 3570k in the cpu socket of the board.

 
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Solution
Shaun o

Shaun o

Illustrious
Oct 7, 2007
6,113
1
41,960
That will be the board revision layout number, as they tend to change things on the board from time to time.

The lowest revision of the bios firmware version should be v2.0.
So have another look, if it is v2.0 then as I said the board requires version v2.23 or greater to run your i5 3570K cpu in the socket of the board.

v2.0 of the bios of the board if it is should boot with a i3-3245 installed in the cpu socket.

You could then do an update of the bios from v 2.0 to v2.3 of the bios to get your i5 3570k to work.

Now have that information it`s a case of taking the system to a computer shop in essence. Or if you have a friend with a cpu borrow it to get your bios of the board updated to support your cpu.

In any case now you know the problem as to why the board does not post.
 
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