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Error code "dd"
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TheLastMinotaur View Drop Down
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    Posted: 18 Aug 2017 at 4:59pm
Hey all my computer is refusing to boot up and I'm getting a dd error code. I've looked at the manual but the code is not listed. What is this code please?
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TheLastMinotaur View Drop Down
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forgot to mention i have a z170k6 gaming + or something.
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Xaltar View Drop Down
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Points: 27803 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 18 Aug 2017 at 5:35pm
Check all your connections, make sure you have your graphics card properly connected and your power cables are all inserted in the correct places.

I have not seen that code before, I would guess it means something is not attached correctly, Display Device maybe?
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TheLastMinotaur View Drop Down
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Pulled gpu out and even ram same error code still.
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parsec View Drop Down
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Points: 4996 		Post Options Post Options   Thanks (0) Thanks(0)   Quote parsec Quote  Post ReplyReply Direct Link To This Post Posted: 18 Aug 2017 at 11:12pm
Originally posted by TheLastMinotaur TheLastMinotaur wrote:

forgot to mention i have a z170k6 gaming + or something.


It's important to know which board you have, so I assume it is the Fatal1ty Z170 Gaming K6+?

Next important question, what is the exact model number of the CPU you are using? Some of the processors you can use with your board need a certain UEFI/BIOS version.
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TheLastMinotaur View Drop Down
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Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TheLastMinotaur Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2017 at 12:22am
Yes im using that board. My cpu is a i76700k. I have never oced it. I should mention the board has been running fine for 6 months or so with the occasional 1e error.

Edited by TheLastMinotaur - 19 Aug 2017 at 12:23am
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Have you done a clear CMOS/BIOS lately? If not, please do that.

Actually, you should try removing the battery from the board while you also do a clear CMOS with the board's jumper.

A AMI UEFI POST code of dd is not commonly listed, as you know. The best I came up with is this for dd:

Control to shadow RAM at F000:F000

I'm interpreting this as related to the internal memory in the UEFI/BIOS chip, and removing the battery clears that memory. Are you sure that the code is dd?

1e is a DRAM memory error.
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TheLastMinotaur View Drop Down
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Points: 7 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TheLastMinotaur Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2017 at 7:15am
Hey guys thanks for the help. Yes i have tried to clear cmos via battery and jumper.i pulled my gpu out and still have the same error code.maybe my cmos battery is dead?
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parsec View Drop Down
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Points: 4996 		Post Options Post Options   Thanks (0) Thanks(0)   Quote parsec Quote  Post ReplyReply Direct Link To This Post Posted: 19 Aug 2017 at 9:25am
Originally posted by TheLastMinotaur TheLastMinotaur wrote:

Hey guys thanks for the help. Yes i have tried to clear cmos via battery and jumper.i pulled my gpu out and still have the same error code.maybe my cmos battery is dead?


A bad battery is possible, and can cause weird side affects. Although I've never seen a POST failure due to a battery, but who knows?

The battery is a CR2032, very common, ~$2 +/-.
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BradTechCS7 View Drop Down
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Points: 1 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BradTechCS7 Quote  Post ReplyReply Direct Link To This Post Posted: 11 Nov 2019 at 10:26pm
Had this same error. changed the ram to a higher speed and it posted....not sure what made the difference but it worked for me.
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