Motherboard Bug Code 55 0d 4C 00 (30)

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Lexmika

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May 31, 2017
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Everything starts up, powers on and everything, but no display. Did a CMOS reset, tried two different rams, and took everything off for a test on another Motherboard. The only issue is that the mobo has this error code 55, 0d, 4C, 00; prior there was: 55, 0d, 4C, 00, 30. There might've been 80, it switches to fast for me to see.

Looked in the manual but nothing was mentioned. My motherboard is a MSI Z170a Gaming M7. I've read that a similar code, not 30, or 80, but 55, 0d, 4c, 00, 19 was a dimm/memory error; but there's not much about the other code.

Any insight would be appreciated.

Specs are:

i7 6700k
NZXT Kraken x52
MSI Z170a Gaming M7
Team DDR4 2400 16GB (2x8)
MSI RX 480 Gaming X
EVGA 650 G2
 
Solution
MeanMachine41
Just a couple of insights Lexmika :)

Not all Qcode readouts are errors however if POST stops at a particular code it is an indication of an error.
Qcode 55 means there is no RAM installed.
Qcode 30 is not an error and means the system has come out of S3 sleep state.
Qcode 00 is a bad one (not documented) and generally means a hardware fault. Most often requiring a bench test out of the case to identify the culprit.
Qcode 0d is an OC failure for CPU or RAM. the system usually reboots and goes thru a training procedure to try to correct memory timings or will bring the Bios to default if OC fails.
Qcode 19 is pre memory PCH initialization.
Qcode 4C, I simply dont know as it is undocumented.

Post will not advance if it is an error till...
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MeanMachine41

MeanMachine41

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May 8, 2014
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Just a couple of insights Lexmika :)

Not all Qcode readouts are errors however if POST stops at a particular code it is an indication of an error.
Qcode 55 means there is no RAM installed.
Qcode 30 is not an error and means the system has come out of S3 sleep state.
Qcode 00 is a bad one (not documented) and generally means a hardware fault. Most often requiring a bench test out of the case to identify the culprit.
Qcode 0d is an OC failure for CPU or RAM. the system usually reboots and goes thru a training procedure to try to correct memory timings or will bring the Bios to default if OC fails.
Qcode 19 is pre memory PCH initialization.
Qcode 4C, I simply dont know as it is undocumented.

Post will not advance if it is an error till rectified.
Things you can try.
1. Update your Bios
2. Try with just a single RAM module in the first slot and try switching them around with different modules to see if in fact a module or slot is dead.

I hope this helps as a quick fix is not possible and errors have to be addressed one at a time.
 
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