USB-C is a symmetrical USB connector system. Use this tag for questions specific to USB-C; for all others, use the generic USB tag.
Questions tagged [usb-c]
415 questions
193
votes
6 answers
Why can't I find a USB-C hub with multiple USB-C ports?
My computer only has one USB-C port and I want to connect multiple USB-C devices to it.
I have trawled through Amazon but am amazed that I cannot find a single one. There are many hubs that have USB 3.1 USB-A ports but not USB-C ones.
Is there a…
NibblyPig
- 2,772
150
votes
2 answers
What is the D-shaped icon next to my USB-C port on my Asus Zenbook?
There's a small D-shaped icon next to my USB-C port on my Asus Zenbook. It looks like two Ds or a P and a D, one smaller (P) placed inside a larger one. I have tried looking for it online but I can't seem to find it anywhere. What does it stand for…
Pylsa
- 31,383
45
votes
5 answers
PC to PC file transfer with USB-C ↔ USB-C or USB-C ↔ USB ordinary cables. Is it possible?
I have a Win 10 64-bit HP laptop (model: 15-dw0088ca) which has 1 USB-C port and two USB ports.
Can I use an ordinary USB-C ↔ USB-C cable, like the one in Pic 1, to transfer files from this HP computer to another one that also has an USB-C…
Robert Werner
- 665
37
votes
4 answers
Is it possible to connect two PCs via USB C?
I'm trying to connect a single PC with limited storage (Mini ITX) to a much bigger PC full tower that has a lot of hard drive storage. Both machines have USB-C on them so I was just wondering if I can just get a USB-C to USB-C cable to connect them…
Brian
- 473
36
votes
4 answers
Is there a technical reason no 10GbE USB 3.1 Gen 2 adapters exist yet?
For example, it is practically impossible to create FireWire adapters over USB because FireWire needs DMA which USB doesn't provide. Is there a similar blocking technical reason as to why no 10 gigabit Ethernet adapters appeared using the USB C port…
user41259
27
votes
2 answers
USB Type C Power Delivery Profile - max length?
The new USB-C connector allows for 100W to be delivered to charge laptops etc.
Is there a maximum length for a charging only cable?
The specification talks about cables being less than two meters long:
That seems really short. I know that data…
Terence Eden
- 873
27
votes
2 answers
Are there issues with stacking USB hubs?
Would attaching a 4 port USB-3 hub to a port on a USB-C to USB-3 hub cause problems?
Metaphor
- 462
26
votes
1 answer
What's up with HDMI and DisplayPort over USB C?
What is DisplayPort™ over USB-C™? says:
Advantages of DisplayPort™ over USB Type-C
Backwards compatibility to VGA, DVI with compatible adapters.
Supports HDMI 2.0a on select products and is backwards compatible with previous versions.
I am very…
user41259
19
votes
4 answers
How can I tell if a USB-C cable is safe to use?
There's been a lot of press about how some old USB Type-C cables are dangerous. As I understand it, they have the wrong resistor, and that causes the device to draw too much power.
On the other hand, I'd like to get some cheap USB A-to-C cables for…
Journeyman Geek
- 133,878
17
votes
7 answers
What do I need to consider when using a USB-C charger with a laptop that has a proprietary charger?
I had several laptops, and each of them had a different charger, that is physically incompatible with another laptop. Even two laptops of the same company (e.g. HP Zbook and HP EliteBook) have incompatible chargers. In contrast, there are so-called…
Erel Segal-Halevi
- 2,245
17
votes
2 answers
Is it safe to unplug an extra monitor from a laptop without turning off the monitor?
I have an extra monitor which is connected to my MacBook Pro 13 2020 using a USB-C to VGA convertor. Is it safe to unplug the extra screen without turning off the monitor? Because when I plugged in the charger, the extra monitor turned off for two…
Mister X
- 281
17
votes
3 answers
How do I determine if my laptop can charge through USB-C?
I have a Dell Precision 7510 with a USB-C port.
If I don't have a cable to test it with, is there a way to determine if my computer can charge through this port?
If I do have a USB-C cable that I can connect to a power source and I plug it into my…
Josh Withee
- 505
14
votes
3 answers
Can I connect USB-C display's USB hub to a PC via USB 3.0 to female USB-C adapter?
As I need to buy a new display anyway, I wanted to make my life easier with an USB-C one cable connection to my laptop (Razer Blade Stealth, it shouldn't matter for the question though).
Let say I would pick DELL S2718D display. A relevant piece…
topr
- 702
13
votes
2 answers
What can a program find out about a USB-C cable attached to the computer?
I plug an unknown USB-C cable into my computer.
Theoretically, could a program read information about that cable? In particular:
What version of USB it supports: 2.0, 3.1, etc.
Whether it supports Thunderbolt, etc.
Whether it supports Power…
Nicolas Raoul
- 11,561
13
votes
2 answers
Why does my Logitech Brio only works in 4K mode when it’s on it’s own cable?
I got a Logitech Brio camera and wanted to set up for 4K video.
However, somehow the 4K mode was recognized by the Windows only with the original USB-C to USB 3.0 cable sent through the box.
I tried a USB-C to USB-C cable and USB-C to usb 3.0 cable…