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7 Posts

03-01-2019

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  • Message 11 of 18

Re: Possible to install P51 4K LCD (AUO B156ZAN02.1) into P50 4K?

2019-09-30, 19:52 PM

I have just updated the BIOS and display is still working fine.

 

I just noticed a dead pixel on this display.. pretty annoying I will message the seller now.

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14 Posts

09-13-2019

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  • Message 12 of 18

Re: Possible to install P51 4K LCD (AUO B156ZAN02.1) into P50 4K?

2019-09-30, 21:03 PM

Thanks soo much for your feedback. Wonderful.


I will receive the motherboard on Wednesday (I feel I am being a little foolhardy in attempting this exchange but nothing ventured nothing gained). The P51 Motherboard actually represents a drop in specification. It has a i7 7820HQ as opposed to my existing i7 6820HQ. The two are nigh on the same processor. The newer Quadro has almost exactly the same performance as the M2000M (upgrade M1200M) if a little less capable.

 

The 1080p screen is so pitifully bad on my current P50 as is the official 4k replacement and it's a shame because I have had this laptop for around 3-4 years and it has been the best laptop I have ever owned and I have a quite a few in my time.

 

There was one advantage of having the Kaby Lake chipset but I can't remember what it was...hmmm.


Anyhoo, I may just come knocking at your door in Winchester as I need an excuse to have a break from being daddy day care.

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14 Posts

09-13-2019

GB

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  • Message 13 of 18

Re: Possible to install P51 4K LCD (AUO B156ZAN02.1) into P50 4K?

2019-10-02, 16:57 PM

@baronMunchausen

I just popped in the P51 mboard and it instantly took.!!!

I now have a p51 laptop! I have only tried with the 1080p panel and it works as before. All systems go. So next I will try the 4k screen.

The only problem and it could be a biggy is:

The laptop now has no valid BIOS ID or serial number. Apparantly these keys have to be installed by an authorized technician. Bah!

Probably incurring all sor tof financial penalties.

Anyway a couple of beeps at bios startup is tolerable

So there is a maintanance disk i7tm38us that allows technicians to set the BIOS uuid and the motherboard and system id's. This get's allows the system to behave normally at boot.

My 4k screen turn sout to be dead on arrival, as it does not work in the new P51. So there's an end to it.

I reckon the fru 00NY490 would be fine in all P50 P51 laptops. Except for issues with brightness (which probably can be fixed and is not an issue in linux). Thanks for the offer of testing the screen @baronMiunchausen and from what I am seeing. Go ahead and upgrade your P50 to P51 by all means.

 

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7 Posts

03-01-2019

GB

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  • Message 14 of 18

Re: Possible to install P51 4K LCD (AUO B156ZAN02.1) into P50 4K?

2019-10-03, 8:29 AM

That's awesome! Knowing it can be done is great, although it looks like the only real reason for me to upgrade would be graphics and I'm not doing a lot of GPU stuff lately. Did you have any luck with the LCD?

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14 Posts

09-13-2019

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  • Message 15 of 18

Re: Possible to install P51 4K LCD (AUO B156ZAN02.1) into P50 4K?

2019-10-03, 10:17 AM

Regarding the screen - because it is now not working in the P51 I can safely assume it is DOA. So thats the end of that. It's strange because the seller is going to refund me but does not seem to concerned about the return...

I feel that the chances that the FRU00NY650 will work in both P50 and P51 machines are pretty good, judging from posts. So I am going to get another and try again , although the same screen can be listed as FRU00NY651 which is official supported by Lenovo, so I prolly get a genuine Lenovo FRU.

BTW I sorrted out the bios uuid and system id - using *erhhum* certain means.

There is another issue at the mo. The synaptics  pointer and mouse occasionally are freezing (It may be that the P50 mouse/nipple are not happy with the P51 mobo) or it could just be that the drivers all need to sync up properly.

I am gonna stress test it now...

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7 Posts

03-01-2019

GB

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  • Message 16 of 18

Re: Possible to install P51 4K LCD (AUO B156ZAN02.1) into P50 4K?

2019-10-03, 11:47 AM

That's odd, because I think they are just USB devices. Could be drivers I suppose (windows?). I only use the trackpoint so it wouldn't worry me, or does it affect both?

Shame your display is dead but good you are getting a refund. I am waiting for a reply about my LCDs dead pixel since the seller is away for a week, I am hoping they don't want me to return it because I paid import duty and the postage to China will not be cheap. But mostly I just dont want them to try and say it's my fault or otherwise refuse to deal with it, so we will see. Maybe they can just send me one pixel since that is all I really need, the other 8,294,399 pixels all work fine, I will also ask them about that.

Would be interested to know how you tackled the serial number problem (PM?)

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14 Posts

09-13-2019

GB

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  • Message 17 of 18

Re: Possible to install P51 4K LCD (AUO B156ZAN02.1) into P50 4K?

2019-10-05, 20:38 PM

well @baronmunchausen. I think this project has reached it's denouement. The touchpad  wasnt working because I had weakened the cable between mb and trackpad. Two of the track traces were cut. I just snipped the tip of the cable of and reveled some more of the traces with a scapel, pooped the puppy back in and everything is now working 100%.

 

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7 Posts

03-01-2019

GB

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  • Message 18 of 18

Re: Possible to install P51 4K LCD (AUO B156ZAN02.1) into P50 4K?

2019-10-10, 9:07 AM

Nice! I have used the same trick before as well! Glad you're fully up and running again. I still have not had a reply from the seller about my dead pixel...

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