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T530 blank screen after system board replacement

T430-T490, T530-T590 Series
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RobTP
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T530 blank screen after system board replacement

#1 Post by RobTP » Sat Jan 13, 2018 9:42 am

Hello everyone !

I’m a little lost with my T530...

I have replaced the motherboard a few weeks ago and I ask me if I have bricked the laptop. :?

When I have restarted the system, there was no display for a moment, then I had a pink/violet screen with error codes. I don’t remember well the codes but it seems normal after such replacement.
The system asked me to press esc or F1 (or F2) to enter the BIOS setup or restart (sorry my memories are fuzzy!) but none of the keys worked, even the power button to shutdown.

So I decided to remove battery to shutdown and try to restart.

But now, when I plug the power cable, It happens nothing ...before each « test » I have to unplug the Bios battery for a few seconds, then It starts directly when I plug the power cable.

I have first the thinklight on for a short time then the wifi led and power button led on, then a « crackling » and a beep code that doesn’t seem to match any of these. (https://support.lenovo.com/fr/fr/solutions/ht005215)

Here is a short video that is more clear than my explanations with my poor english level ! :)

https://www.dropbox.com/s/qijeqbcsk2peg ... e.flv?dl=0

If someone as an idea? Thank you in advance for your help!
Last edited by RobTP on Sun Jan 14, 2018 4:37 pm, edited 1 time in total.

jaspen-meyer
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Re: T530 blank screen after system board replacement

#2 Post by jaspen-meyer » Sat Jan 13, 2018 2:18 pm

Is the keyboard plugged in?
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MikalE
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Re: T530 blank screen after system board replacement

#3 Post by MikalE » Sat Jan 13, 2018 3:28 pm

Isn't that beep code a memory error?
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RobTP
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Re: T530 blank screen after system board replacement

#4 Post by RobTP » Sat Jan 13, 2018 6:16 pm

Thanks for your answers! :)
jaspen-meyer wrote:
Sat Jan 13, 2018 2:18 pm
Is the keyboard plugged in?
Yes keyboard is plugged.
MikalE wrote:
Sat Jan 13, 2018 3:28 pm
Isn't that beep code a memory error?
Do you talk about the code in the video ? The 1-3-3-1 is "normal" without ram. In the video, ram is plugged but the code don't match to any of those described by Lenovo.

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Re: T530 blank screen after system board replacement

#5 Post by MikalE » Sat Jan 13, 2018 7:08 pm

I have tried without ram, the error code is : One short beep, pause, three short beeps, pause, three more short beeps, and one short beep.
Do you talk about the code in the video ? The 1-3-3-1 is "normal" without ram. In the video, ram is plugged but the code don't match to any of those described by Lenovo.
You're not making any sense.

Yes that is the beep code for failed RAM, no RAM, or a bad slot, mismatched RAM, etc. But, then you say it doesn't match any Lenovo codes. 1-3-3-1 is a good Lenovo code.

Either your new motherboard doesn't like the old RAM, the MB has a bad slot, or the RAM is bad (unless it works in another machine).
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RobTP
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Re: T530 blank screen after system board replacement

#6 Post by RobTP » Sun Jan 14, 2018 3:19 am

MikalE wrote:
Sat Jan 13, 2018 7:08 pm
You're not making any sense.
I said the beep code in the video don't match, I think you have read too fast before you answer. I will edit the first post and delete the sentence with the "test" without ram , I will be more clear! :)

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Re: T530 blank screen after system board replacement

#7 Post by jaspen-meyer » Sun Jan 14, 2018 3:28 am

MikalE wrote:
Sat Jan 13, 2018 7:08 pm
I have tried without ram, the error code is : One short beep, pause, three short beeps, pause, three more short beeps, and one short beep.
OP turned on his machine and got an error code, on-screen. He doesn't know what the actual error code was!?
Then, he removed the ram and rebooted. At that point he got the 1-3-3-1.
He mentioned the ram just to give a picture of what he has tried.

So, the problem is the error code which appeared on-screen.

RobTP, what is the exact error message which appears on the screen?
T420 i7 3612QM seabios; T420 i7 3630QM; T400 Q9100 seabios; T61 P9600; T60 libreboot; x62; x60s libreboot, led; x24 xiphmont led

RobTP
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Re: T530 blank screen after system board replacement

#8 Post by RobTP » Sun Jan 14, 2018 3:34 am

As I said, I just had something on the screen at the first start a few days ago.
Now screen is blank, please, just have a look to the video to hear the strange crackling and "new" beep code ...
Last edited by RobTP on Sun Jan 14, 2018 3:36 am, edited 1 time in total.

RobTP
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Re: T530 blank screen after system board replacement

#9 Post by RobTP » Sun Jan 14, 2018 3:35 am

RobTP wrote:
Sat Jan 13, 2018 9:42 am

Here is a short video that is more clear than my explanations with my poor english level ! :)

https://www.dropbox.com/s/qijeqbcsk2peg ... e.flv?dl=0

MikalE
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Re: T530 blank screen after system board replacement

#10 Post by MikalE » Sun Jan 14, 2018 11:03 am

OK, thanks for the clarification.

The only thing I found about this seven beep code was video chip failure, or a CPU exception, but on an HP machine.
A31p P-IV 2Ghz, 2MB, 2653-R6U
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T510 i5 4384-DV7
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RobTP
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Joined: Sat Jan 13, 2018 7:47 am
Location: Paris, France

Re: T530 blank screen after system board replacement

#11 Post by RobTP » Sun Jan 14, 2018 3:53 pm

MikalE wrote:
Sun Jan 14, 2018 11:03 am
OK, thanks for the clarification.

The only thing I found about this seven beep code was video chip failure, or a CPU exception, but on an HP machine.
Thanks for your research, I have find a list for AMI bios on Ideapad https://support.lenovo.com/fr/en/solutions/ht062270
7 short beeps would be : "CPU exception interrupt error, CPU on MB generates an exception interrupt and cannot switch to protected mode"

Is it possible to damage the CPU when unplugging the battery ? I have tested it in another laptop before. And it starts at less once in this one.

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