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34 Posts

08-20-2008

Canada

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ThinkPad P50 problem with Samsung EVO 960 500 GB

2018-04-03, 2:53 AM

Hi, I've a P50.  Great machine.  I recently installed a Samsung EVO 960 500GB NVME SSD in there.  My problem is that the write activity led is constantly blinking.  When I check the data written with Samsung's data magician, it had increased by 100GB / day.  I send it to Samsung for repair and all they did was erase the drive and said there is no problem.  Has anybody use this drive on a P50?  I bought it off eBay and still can return it.  I had seen Samsung refusing to fix defective SSD.  Ihave a Intel 760p in there now and there is no problem, no blink LED.  TIA

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41 Posts

04-03-2018

United Kingdom of Great Britain and Northern Ireland

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Re: ThinkPad P50 problem with Samsung EVO 960 500 GB

2018-04-03, 12:28 PM

Same SSD in my system, disk activity indicator also flashing much of the time the system is on. I assumed this was normal, ie Windows search index engine and other OS background serices. 

 

Latest Samsung drivers installed.

 

Now that you have mentioned this I can't stopped noticing it .. what has been seen cannot be unseen ( :smileymad: ).

 

 

 

 

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34 Posts

08-20-2008

Canada

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Re: ThinkPad P50 problem with Samsung EVO 960 500 GB

2018-04-03, 14:49 PM

fyi, this is NOT normal.  It is far more than just annoying flashing LED, if you look at your data magician, the rate of disk write is very high.  It is between 70-100gb per day, if it keep on going like that, the drive will die before its rated 3 yr warranty is up.  Please see this article:

 

https://blogs.technet.microsoft.com/filecab/2017/08/11/understanding-dwpd-tbw/

 

I do not remotely use 100GB per day.  My last drive, a 850 EVO, was used exactly the same way for 2 yrs and my total TBW is 20. 

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34 Posts

08-20-2008

Canada

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Re: ThinkPad P50 problem with Samsung EVO 960 500 GB

2018-04-03, 14:52 PM

And it isn't my installation of Windows, when the 960 was a direct clone of a Intel 760p that wasn't flashing at all.

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41 Posts

04-03-2018

United Kingdom of Great Britain and Northern Ireland

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Re: ThinkPad P50 problem with Samsung EVO 960 500 GB

2018-04-03, 15:14 PM

Steady on tiger, i only shared my own personal experience with same machine and same drive, I was not saying you were doing anything incorrectly or even that I think this is an issue.

 

My 960 is 5 months old and has 2.7 TB on the clock. I use this machine as my daily driver and as such it has alot written and deleted to it (C:/).

 

However I can say that there have been other posts about disk activity being high, and the solution given waas to turn off all services at boot, then to enable a few at a time to see which services were problematic. It was different for each post IIRC .. optical drive, chrome etc.

 

For me I think it is almost certainly Chrome that is the culprit, having many instances running background processes. I turned of running in background in settings. I didn't get much improvement, but activity is less than it was.

 

Possibly some clever clogs will have a more substantial answer for you, this is the best I have to offer.

 

 

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9644 Posts

12-27-2009

Canada

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Re: ThinkPad P50 problem with Samsung EVO 960 500 GB

2018-04-04, 18:24 PM
Excessive writes to it won't be a drive issue; look at your Windows installation. Open up Resource Monitor and watch for large amounts of writes to the disk in question.

Also try disabling your pagefile for a while; maybe Windows is paging often to disk and racking up write cycles. If you use a lot of UWP programs, the swapfile will also have lots of writes to it.

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
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34 Posts

08-20-2008

Canada

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Re: ThinkPad P50 problem with Samsung EVO 960 500 GB

2018-04-04, 19:28 PM

Thank you.  But I don’t think the issue is software.  I did a clean install and it was flashing.  I install a fresh copy with a Intel 760p ssd(no flashing led) and then clone it onto the 960 and it flash still.  The only thing I wish I could had done is installing the 960 on another machine and check if it still flash.  Unfortunately, I don’t have another machine with m.2 slot.

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9644 Posts

12-27-2009

Canada

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Re: ThinkPad P50 problem with Samsung EVO 960 500 GB

2018-04-04, 20:03 PM
Does Resource Monitor indicate any significant amount of writes when the light is blinking?

How much RAM do you have in your machine? Which version of Windows?

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
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34 Posts

08-20-2008

Canada

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Re: ThinkPad P50 problem with Samsung EVO 960 500 GB

2018-04-05, 1:49 AM

32gb. No much disk activity in tm.  I think the problem is deeper than that.  I had a x1 with the same symptoms. Samsung took a look at it, wiped the drive and return it to me.

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9644 Posts

12-27-2009

Canada

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Re: ThinkPad P50 problem with Samsung EVO 960 500 GB

2018-04-05, 5:34 AM
Maybe there's some odd disk activity that's causing severe write amplification in the 960 EVO's controller?

Maybe also try a bootable Linux CD and see if it does it there.

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
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