Register a SA Forums Account here!
JOINING THE SA FORUMS WILL REMOVE THIS BIG AD, THE ANNOYING UNDERLINED ADS, AND STUPID INTERSTITIAL ADS!!!

You can: log in, read the tech support FAQ, or request your lost password. This dumb message (and those ads) will appear on every screen until you register! Get rid of this crap by registering your own SA Forums Account and joining roughly 150,000 Goons, for the one-time price of $9.95! We charge money because it costs us money per month for bills, and since we don't believe in showing ads to our users, we try to make the money back through forum registrations.
 
  • Post
  • Reply
~Coxy
Dec 9, 2003

R.I.P. Inter-OS Sass - b.2000AD d.2003AD
I got a new laptop (Dell Precision 5510) so have started using the Lenovo USB-C dock instead of the good old physical ones. I had assumed that the dock would passthrough DisplayPort over USB-C so I would get native performance on my displays but I am having no end of trouble with lag and high CPU usage. I have updated the Lenovo drivers and the DisplayLink drivers to no avail.

I have two 1440p monitors plugged in to the dock. Unfortunately they don't have USB-C connections.

Is there anything to be done? Are these DisplayLink docks just crap?

Adbot
ADBOT LOVES YOU

~Coxy
Dec 9, 2003

R.I.P. Inter-OS Sass - b.2000AD d.2003AD
Odd; it does definitely have USB-C (and Thunderbolt 3.)

~Coxy
Dec 9, 2003

R.I.P. Inter-OS Sass - b.2000AD d.2003AD
Thanks for the replies.

Sacred Cow posted:

I deployed some Precision 5530's at my company and we found the USB C (Non-Thunderbolt 3) docks don't handle 2x 1440p monitors very well. You'll want to buy a Thunderbolt 3 dock like the Dell TB16 or similar. Also make sure you're running the latest BIOS. A lot of the TB drivers and firmware are tied to it and we found updates fixed a lot of other issues we had with the newer docks.

Also, make sure it actually is TB3 and not just USB C. If I remember correctly, you have to specify TB3 in the configuration when I ordered them. The product lists your model as "Thunderbolt 3 available".

1. Good to hear it's not just me then.

2. How can I tell for sure? Can't see anything Thunderbolt in the device manager.
It has a lightning bolt icon on the USB-C port. Does that positively indicate TB3 rather than merely USB-PD?

dirty shrimp money posted:

You mention using a Lenovo dock, which one are you using?

I just spent a full month looking into this same issue with Lenovo's equivalent, P52. CDW sold me a 135W Thunderbolt 3 dock they swore would work on all Lenovo Thunderbolt 3 laptops, but my P52 users kept bugging techs about power issues and stuff not charging and peripherals dropping in and out. New drivers that came out in November didn't help.

Tons of searching later I found a 230W Lenovo "workstation" dock, which is actually a 295W dock because it comes with two AC adapters - one 230W power+Thunderbolt proprietary connector just for the laptop, and then a 65W that powers the dock and peripherals. Problem solved.

This won't help in your situation, but you might want to see if Dell has a similar fancy workstation dock with bigger AC adapters.

Type 40AF USB-C hybrid dock
I'm requesting a Dell dock but that standard is also non-TB.

~Coxy
Dec 9, 2003

R.I.P. Inter-OS Sass - b.2000AD d.2003AD
I'm actually surprised by this but IT brought me a Lenovo TB dock and it's all good now.
Apparently they are going to replace the non-TB docks (maybe only for 1440p users) due to these issues.

  • 1
  • 2
  • 3
  • 4
  • 5
  • Post
  • Reply