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lenovo p50, new ram parts only work in safe mode and not windows 10 pro normal mode

2019-10-04, 9:14 AM

Hello, i have a Lenovo P50 with an m2000m, and it came with a 16gb kit of samsung ram, 2x8gb ddr4 2133Mhz 

M471A1G43DB0-CPB. So i bought a G.SKILL kit of 2x16gb ddr4 2133mhz, and when i install this kit on its own, under the keyboard, i can not boot into windows 10 pro, but the kit works in safe mode. I also tried with both samsung sticks at the bottom and the gskkill sticks under the keyboard, and it works in safe mode too.

 

 

4 sticks with windows 10 pro safe mode:

http://i.picpar.com/TQGd.jpg

Gskill kit:

http://i.picpar.com/6PGd.jpg

 

 I also tried with a bootable ubuntu usb stick, it works as well with gskill kit:

https://ibb.co/7SF9fWq

 

 

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375 Posts

07-08-2019

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Re: lenovo p50, new ram parts only work in safe mode and not windows 10 pro normal mode

2019-10-04, 19:29 PM

Hi!

 

First, a few questions (just in case):

  • Is your BIOS up to date? Have you reset to Defaults (F9)?
  • You mentioned Windows 10 Pro. What version are you using? 1803, 1809, 1903?
  • First thing after installing the OS, have you installed the Chipset drivers (Intel Chipset Device Software for Windows)?
  • Second (or after network drivers!), installed Lenovo Vantage and install everything it mentions?

You might want to link this thread with the previous for reference: Lenovo ThinkPad p50 no boot with 4 ram sticks

 

The plot thickens...

Martin

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Main: P52 (I7-8750H P1000 FHD 16GB 512GB-SSD 1TB-HDD)
Also, 2x M820z, 1x P520c, 1x ideaCentre 300S-11IBR

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43 Posts

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Re: lenovo p50, new ram parts only work in safe mode and not windows 10 pro normal mode

2019-10-04, 20:16 PM

My windows 10 pro is 1903

My first assumption was to assume that the issue came from the motherboard, but i can boot on linux and everything works, even windows safe mode works. I will try defaults (f9), and i did run lenovo service bridge but not vantage yet, i'll try that too. I'll also look at chipset drivers then i report.

 

Thank you

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375 Posts

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Re: lenovo p50, new ram parts only work in safe mode and not windows 10 pro normal mode

2019-10-04, 21:03 PM

Hi!

 

Windows 1903 is not the best at this time. The general IT recommendation is 1809, ymmv.

 

Tip: The Enterprise Management section of the Lenovo Support Downloads has SCCM driver packages. The SCCM Package for Windows PE 10 64-bit - ThinkPad bundle contains the minimal set of drivers to install and connect Windows. I'd copy this or the full SCCM Package for Windows 10 64-bit locally (or to the installation media) before starting. Chipset drivers are in the Full package, or get them as a separate download.

 

I highly recommend the following order:

  • Update BIOS (is available), Defaults with F9, then reconfigure as needed.
  • Update the Intel Management Engine 11.8 Firmware.
  • Disconnect network/Wi-Fi
  • Install Windows 10 1809
  • Install Chipset
  • Install Network drivers, as needed. DON'T connect the network yet!
  • Configure Windows Update Deferral (Computerworld article), DON'T click "Check for updates"! Let Windows do it in the background as you continue working.
  • Reconnect network/Wi-Fi
  • Install Lenovo Vantage, Install whatever it detects as recommended.

Now, you should be asked to reboot one or more times, do so. Once Windows has installed it's updates and you have rebooted, check the WU logs to make sure everything was OK. If so, shutdown, and proceed to test RAM. I recommend you find why the memory does not work before installing anything else in the machine.

 

For the duration of the tests, I would disable Boot/HDD/SSD passwords, just to be safe. Windows passwords should be OK, but switching Windows installations messed my fingerprint logon every time... Don't count on them.

 

To be honest, I'd like to have my hands on your machine to debug this! The Tech in me wants to know what is the problem!!!

 

Good success!

Martin

 

Edit: Tweaks for readability

Using Browser Search to find your answers in Lenovo and Moto Community

I'm a volunteer, NOT a Lenovo employee.
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Main: P52 (I7-8750H P1000 FHD 16GB 512GB-SSD 1TB-HDD)
Also, 2x M820z, 1x P520c, 1x ideaCentre 300S-11IBR

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43 Posts

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  • Message 5 of 22

Re: lenovo p50, new ram parts only work in safe mode and not windows 10 pro normal mode

2019-10-04, 21:18 PM

So i have to downgrade to 1809, or do i have to do a clean reinstall again?

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  • Message 6 of 22

Re: lenovo p50, new ram parts only work in safe mode and not windows 10 pro normal mode

2019-10-04, 21:50 PM

Now I think you should shutdown, install the memory, maybe swap in a spare drive (so you don't corrupt your drive because of a crash), and try to install from there? If the installation starts, it's a good sign for the future...

 

I'd clean-install 1809 for testing in a spare drive (or separate partition). That way, it would be easier to rule out a bug specific to Windows 1903 or it's drivers. If Windows does not install, I'll have to think more.

 

Hopefully, the setup will work. As you install drivers and set it up, I expect something will fail, and we will have a better idea about the culprit. Take plenty of notes about what you do, install, set up and the results. Install only the minimal drivers, test, and install drivers one at a time until it fails? Assuming a clean install works with the full memory to begin with...

 

Martin

Using Browser Search to find your answers in Lenovo and Moto Community

I'm a volunteer, NOT a Lenovo employee.
If I solved your issue, please click Accept as a Solution.
If my post helped, consider giving me a Thumbs Up.

Main: P52 (I7-8750H P1000 FHD 16GB 512GB-SSD 1TB-HDD)
Also, 2x M820z, 1x P520c, 1x ideaCentre 300S-11IBR

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43 Posts

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  • Message 7 of 22

Re: lenovo p50, new ram parts only work in safe mode and not windows 10 pro normal mode

2019-10-04, 21:58 PM

Alright, i have a spare SSD i can use for that purpose. I'm gonna run memetest tonight, then tomorrow i'll look into it

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43 Posts

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  • Message 8 of 22

Re: lenovo p50, new ram parts only work in safe mode and not windows 10 pro normal mode

2019-10-05, 21:22 PM
 

It boots and  works with all 4 sticks on my spare SSD, with a freshly installed 1809 that has never been connected to internet. 

 

I'm at the step install 1809, now I continue. What does it mean install chipset?

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375 Posts

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  • Message 9 of 22

Re: lenovo p50, new ram parts only work in safe mode and not windows 10 pro normal mode

2019-10-06, 5:48 AM

Hi!

It's great you've been able to get this far! The Chipset driver is this: Intel Chipset Device Software for Windows 10 (64-bit) - ThinkPad P50, P70

 

It's in the Downloads, Chipset section of your Lenovo Support page.

 

Martin

 

Using Browser Search to find your answers in Lenovo and Moto Community

I'm a volunteer, NOT a Lenovo employee.
If I solved your issue, please click Accept as a Solution.
If my post helped, consider giving me a Thumbs Up.

Main: P52 (I7-8750H P1000 FHD 16GB 512GB-SSD 1TB-HDD)
Also, 2x M820z, 1x P520c, 1x ideaCentre 300S-11IBR

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43 Posts

09-22-2019

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  • Posts: 43
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  • Message 10 of 22

Re: lenovo p50, new ram parts only work in safe mode and not windows 10 pro normal mode

2019-10-06, 13:57 PM

Ok so ive installed Lenovo ventage and I have set up windows update as instructed. I'm installing each recommended Lenovo updates one by one to see if the problem could come from one of those. 

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