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W530 + Mini dock Plus 4338 - screen flickering

2020-07-22, 10:03 AM

Hello,

 

I've a problem with flickering screen connected through ThinkPad Mini Dock Plus Series 3 with USB 3.0 via Display Port. Dock type 4338, notebook W530 with nvidia K2000M, Win 10 Pro.

 

PROBLEM:

Screen shuts down for 1-3 sec and then work again. It happens 2-6 times per hour and it is extremely frustrating. 

The display is 2560x1440, and setting lower resolution to 1920x1080 doesn't solve the problem.

 

At the same time another display is connected via DVI (another one DP/DVI output) , resolution is 1280x1024 and this one is OK.

 

I've tried switching outputs between the 2 screens, but ith doesn't help.

 

I've checked, that the notebook, cable and monitor is OK. It works properly connected via built-in miniDP output (using the same DP cable and a miniDP -> DP adapter (while notebook is connected to the dock).

 

Anyone have seen something similar?

 

 

Thanks for help in advance.

 

 

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03-11-2020

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Re:W530 + Mini dock Plus 4338 - screen flickering

2020-07-22, 10:33 AM

Hi there Marke.M 

 

Welcome to the Community Forums.

 

The Thinkpad W530 has these graphics specs:

 

NVIDIA Optimus technology, auto-switch between discrete and integrated graphics, 

Intel HD Graphics 4000 in processor, and NVIDIAQuadro K1000M or K2000M, PCI Express x16, 2GB memory, 

Supports external analog monitor via VGA DB-15 and digital monitor via Mini DisplayPort; 

 

Supports three independent displays; 

Maximum external resolution: 

  • 3840x2160@60Hz (DisplayPort via optional Mini DP cable); 
  • 1920x1200@60Hz (single-link DVI-I via optional Mini DP cable); 
  • 2048x1536@85Hz (VGA)

 

In the event you have your setup correct according to this, I'd check for a firmware update for the dock you are using and I'd also make sure I have the newest BIOS / Chipset and Display drivers for your device.

 

You can find and install the newest drivers from the Lenovo Support Page

Just plot in the serial number for your device and hit enter, might have to hit it twice. Then head to Drivers & Software  then BIOS , Chipset and Display and Video Graphics respectively 

**Note: Make sure you have your AC adapter connected and at least 30% of battery power when performing BIOS and Chipset updates.

 

Regards

 

Voithos



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3 Posts

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Re:W530 + Mini dock Plus 4338 - screen flickering

2020-07-28, 18:10 PM

Thank you for the reply.

 

I'm pretty sure, I have the newest drivers and BIOS (I frequently use Lenovop Sytem Update, or Lenovo Vantage app).

But don't know, with other think you wrote: "I'd check for a firmware update for the dock you are using".

Can you write something more about this?

 

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Re:W530 + Mini dock Plus 4338 - screen flickering

2020-07-29, 9:15 AM

Hi again,

 

I could not find any firmware driver updates for the dock, but I did come across this configurations setup for the ThinkPad Mini Dock Plus Series 3 (ThinkPad Mini Dock Plus Series 3 - 90W (4338-10U) or ThinkPad Mini Dock Plus Series 3 - 170W (4338-30U)  with the Nvidia Optimus technology. 

 

If you haven't seen the configuration setup, you can find it here

 

I believe the 170w 4338-30U (x) is yours ? with this setup : 

 

ThinkPad Mini Dock Plus Series 3 Triple Display Configuration:

  • 1st Display: Active ThinkPad display

 

  • 2nd and 3rd Displays: Any combination of the following:
    • DisplayPort on ThinkPad
    • DisplayPort on Mini Dock
    • DVI digital port on Mini Dock
    • VGA analog port on Mini Dock

 

530W is listed as a compatible device in this configuration.

 

 

Apart from that, if you have updated the chipset drivers (this is including the Serial I.O and Management Engine Interface) drivers listed in the Chipset section, I am unfortunately out of possible solutions for the moment.

 

Regards

 

Voithos



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Re:W530 + Mini dock Plus 4338 - screen flickering

2020-08-26, 19:57 PM

Again, thank you for the reply.

 

I didn't know, that ma laptop supports up to 4 displays  (configuration setup), what a great machine!

 

I guess, there is something wrong with my dock. Currently I'm useing miniDP for the main  display, and DVI for another one, and it is OK.

 

Thanks again for Your help.

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