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    Posted: 14 Nov 2020 at 6:43am
I recently bought a Asrock Taichi z490..

Upo boot im getting codes ...

00

7f

4c




I need to know what i should do in order to get the board up and running.


With these codes should my fans be running at all?


Thanks in advance.


Dave
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2020 at 7:53am
It's supposed to cycle through codes before boot
Each code represents a part of the POST process (Power On Self Test). If the system
freezes and does not complete POST then the test that failed will be indicated on
the Debug LED display. In other words, there is only a problem if a code remains
on the display and the system is frozen. There are even codes that indicate you
are in the BIOS, Ab and sometimes A2.

Your board is functioning exactly as it should if these codes are clearing before your OS starts to load.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote xxEzxx Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2020 at 1:08pm
so as long as the numbers keep cycling then everything is fine.. how long does this process last? it keeps going from code to code to code those three over and over again.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2020 at 6:30pm
Ah, what is the last code before it loops? It is triggering a restart because it
can't initialize something, most likely your RAM. Make sure you have your RAM
installed in slots A2 and B2 and that they are fully seated into the slots. On new
boards the slots can be tight and appear like they are all the way in but are not.

If the codes cycle through, clear then the system boots into the OS all is well.
If you freeze or the system POST loops (resets after cycling through some codes)
then there is an issue and the last code flashed will give you an idea of what the
issue is if you look it up.

Edited by Xaltar - 14 Nov 2020 at 6:32pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote xxEzxx Quote  Post ReplyReply Direct Link To This Post Posted: 14 Nov 2020 at 10:23pm
Ok thank you...



I have moved the ram into the slots that you said to move them to.

I defiantly had that part wrong I had them in the first and third slots.

I moved the to the 2nd and 4th spot which are the indicated slots in the manual for a2 b2

When I did that this is what happens now.



00

4c

00

7f

44





still no fans..


Im building this for my father and hes all kinds of wigged out about the fans not coming on yelling at me like the damn fans should be coming on right. I haven't built one in over 6 years so is there a answer i can give him about the fins not coming on?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote xxEzxx Quote  Post ReplyReply Direct Link To This Post Posted: 15 Nov 2020 at 12:09am
I took the cpu out and took a picture I can't really tell if these are bent pins I took a magnifying glass to it and still can't tell..

CPU https://imgur.com/gallery/VgVDcxm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote xxEzxx Quote  Post ReplyReply Direct Link To This Post Posted: 15 Nov 2020 at 1:05am
I took a video as well..

https://youtu.be/uwIqUP6Wm3E
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 15 Nov 2020 at 1:39am
Looking at the pic (very blurry) there seem to be 2 areas that look off:



It could be bent pins or possibly something spilled in the socket? The image isn't
clear enough to see. Code 44 is a memory related code but considering the memory
controller is located on the CPU, it could well be bent pins giving you a problem.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 15 Nov 2020 at 1:41am
As for the fans not coming on, if they are connected to the board it could be related
to the other issue, bent pins can short and trigger the board's protection circuitry.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote xxEzxx Quote  Post ReplyReply Direct Link To This Post Posted: 15 Nov 2020 at 2:31am
i looked at it under a magnifying glass they dont seem to be bent at all but there is definitely two spots that look strange on the board
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