Questions tagged [usb-c]

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.

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How to figure out the “uplink” speed of port replicators?

I am shopping for a port replicator to connect to my laptop with USB-C connector. There seem to be two major versions of this USB-C port now: USB-C 3.1/3.2 Gen 1, also called USB-C 3.0 (5Gbps) USB-C ...
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35 views

Is it true that port replicators will stop WiFi from working and why?

I was interested in buying Vention USB-C type Adapter (port replicator). But right know, I was shocked, reading the FAQ on their website: Will WIFI usage be affected? Will the wifi break when usb ...
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Is it possible to have a USB-C male to Ethernet male cable?

I use adapters (USB-C male to Ethernet female) and Ethernet cables to have wired network on my USB-C only laptop. Is there any theoretical issue with having a USB-C male to Ethernet male cable (that ...
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How to achieve 4k 60 Hz output through USB C from notebook?

I am using a Dell Precision 5550 (I assume similar to this configuration) and have a USB-C Dock (link to German product page on Amazon) connected to it that claims to be able to output 4k 60 Hz ...
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Both monitors not working simultaneously. one with USB c and another with HHDMI

My Dell dock can't take VGA cable from monitor so I used a USB-C to VGA adapter to connect to the dock and simultaneously my another monitor with HDMI connected to dock. But I'm just seeing a screen ...
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Logitech USB Unifying Receiver and USB-C Hubs

I have a Logitech Unifying receiver with a Mouse and Keyboard connected to it. In my setup, I have a two laptops that both connect over USB-C to a Hub with a HDMI Port and 2 USB 3.0 Type A Ports. My ...
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How can I find out why I can no longer charge via one of my ports?

I'm using a Lenovo X1 Carbon (Gen 5), which has two USB-C ports that you can charge the device through. The other day, the official charger suddenly stopped working with one of the ports, however, it ...
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37 views

How to identify USB 3 port on my laptop [duplicate]

I have a laptop thinkpad L450. Having 3 USB port which are identical with SS symbols and color (black). But I have want to know if they are actually USB 3 or its just a normal USB? Here is the image ...
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Opposite of a Thunderbolt/USB-C docking station?

I have a device which takes a (singular, 1080p, 60Hz) HDMI or DisplayPort sink, a USB-C PD source, and a good ol' USB3 hub (with some builtin peripherals on that hub, for good measure), and provides ...
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KVM Switch for desktop (hdmi+usb connection) + laptop (usb-c connection)

I would like to set up my home workstation (desktop tower, 1 monitor, mouse, keyboard) so that a KVM switch can be used so that a laptop can easily use the monitor, mouse and keyboard. It appears the ...
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Connecting powered USB C hub to Surface pro 6

I have Surface Pro 6 with single USB A 3.0 port. Can I connect USB C hub using USB C to USB A adapter to it and supply power to hub? Hub has power pass through PD connection. Will it damage mainboard?
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Does a USB-C (female) to HDMI (male) adapter exist

I have 2 computers, and one iPad. My desktop computer runs Windows 10, and has an open HDMI. My laptop is a MacBook Pro, and has HDMI and Micro DisplayPort. I am looking at the feasibility of ...
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Bluetooth headphones (USB receiver) disconnect and reconnect when in Sound settings

My Asus headphones start disconnecting and reconnecting whenever I go into my sound settings menu - Windows 10 - Dell XPS 13. This is only when the USB receiver for the bluetooth headphones is plugged ...
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Can JHL6340 USB 3.1 Controller be used as usb peripheral with usb gadget?

I wanted to know if I can use the USB gadget modules in the linux kernel with the Intel Corporation JHL6340 Thunderbolt 3 USB 3.1 Controller. In theory, since it is connected to an usb-c port, it ...
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Would it be possible to use a laptop that has USB-C (DisplayPort or similar) as a display for another device?

I am wondering: Now that video is delivered over USB-C (I suppose over DisplayPort but I don’t know if there are other protocols as well), would it be possible to use a laptop as display for another ...
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81 views

Which version of USB-C port does my laptop have?

I own Huawei Matebook X Pro and I am about to buy a docking station or port replicator to connect to laptop's USB-C port. Apparently, there are port replications for two main versions right now: USB-...
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Connecting Monitor Via hdmi: built in port or usb-c hub

I recently posted this wustion on the hardware community, but was told that superuser might be the more appropriate one, so here goes. I tried connecting my monitor via hdmi through the hdmi port on ...
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Is using one adapter (USB-c to HDMI) plugged to another adapter (HDMI to VGA) a good idea to have double screen?

I have a notebook (Dell XPS 13 Developer Edition - 9350) and I am trying to connect it to an old monitor from Samsung (Model T 220, around 2009). On one hand, the monitor only has a VGA connector. On ...
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Does USB C hub/docking station cut the speed of USB ports it provides?

If I connect all peripherals to a USB-C hub (or docking station) that is connected to one USB-C port of the PC, will the USB ports on docking station support the full USB speeds? Assume it exposes USB ...
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HDMI through USB-C

I am trying to connect an HDMI monitor to USB-C port on my computer so that I can have dual screens. The port is SuperSpeed USB Type-C and the HDMI monitor standard is HDMI 1.4. I am using a dock. No ...
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52 views

Using USB ports on my monitor?

I have an LG Ultra HD display (27 in, 4K) with a few USB ports on the back. As outputs it has USB-C, DisplayPort, and HDMI. On my MacBook, if I plug in the USB-C, I can also use the USB ports on the ...
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USB-C port only works if devices plugged during boot, and won't be recognized if Windows is running

My Dell XPS 9560 has an USB-C port, and it doesn't work correctly. If I plug in a device during boot (I mean before pressing power button), Windows can recognize it and things work normally. However, ...
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Thunderbolt 3: Can I get “Power Delivery” *output* on a TB3 hub/chip?

tl;dr: read title. Thunderbolt 3 hubs often have a "power delivery" port (alt: usb-c port that may support usb-pd). Are they input only, or also output, or 'maybe, good luck getting the ...
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Can I see how much power my laptop is drawing from a USB-C PD source?

I've got a few USB-C chargers that can deliver power via USB-PD; a 65W charger, a 100W charger, and a hub that advertises "PD Passthrough". My laptop accepts up to 100W, which is why I'm ...
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No Input Signal - Switching Between Devices with 1 Monitor

I have 2 machines, 1 Windows desktop and 1 Macbook Pro, which are both connected to my 1 monitor (34' lenovo). The Windows machine is connected to the monitor via the Display Port and the Macbook is ...
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How can I connect my Custom-built PC with portable monitory Lenovo ThinkVision M14t which has only USB-C (alt mode)?

I am thinking of buying a portable screen with stylus support for note-taking. I have narrowed my choice to a couple of monitors, the primary one being Lenovo ThinkVision M14t. I liked its design and ...
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52 views

Maximum Video Capacity of USB C when Connected to a Dock

I am trying to understand the USB C format and all its different modes but it is starting to get a bit too confusing. I understand that USB C can support 4k at 60Hz along with HDR. From what I ...
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MacBook Pro USB-C Clamshell A/V Inputs

My wife uses her 2019 MacBook Pro both by itself & in clamshell mode plugged into a USB-C monitor that connects all the peripherals. She's struggling with keeping all of her A/V settings set ...
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Connecting external HDMI monitor from type-c laptop

today I received type-c adapter (bought this one: https://www.aliexpress.com/item/1005001596762329.html) I connected this usb type-c to HDMI adapter using type-c port which charges laptop and ...
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Is it possible to charge a laptop via a USB-C-to-DC adapter plug?

I own a Acer laptop from 2017, which came with a brick-sized 19V/3,42A power supply that's connected via a 5.5/2.5mm DC plug. Although the laptop features a USB-C port, it unfortunately doesn't ...
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28 views

HDMI or ethernet over USB-C

I'm running some cables through a small gap and would like to use low profile USB-C cables. I know you can get HDMI or ethernet adapters for USB, but I believe these are software based and require a ...
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Getting two external screens conected to one Lenovo Flex5 -1570 80X laptop

Which adapter or docking station would allow me to get a second external (HDMI) screen connected to a Lenovo Flex5-1570 80X laptop? . My first attempt, through the USB C port failed, using a Lenovo ...
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Thinkpad E14 + Thinkpad usb-c Gen2 dock + 4k LG 85Hz Monitor issue

I'm an arch-linux user, but this issue is the same on Ubuntu, but is working on Windows. I'm looking for help in trying to solve my issue, I can provide logs, configurations that are needed on request ...
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199 views

Is there a right or wrong way to plug in a USB C cable?

This will probably be one of the dumbest questions ever asked but… is there a right way or a wrong way to plug in a USB-C cable to a device. I got a Microsoft Surface laptop in the other day and ...
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35 views

Is it safe to plug a power USB C hub on Desktop PC?

My situation is, if I have a USB C hub which I am connecting to my desktop PC and the hub is trying to support many devices all drawing power. As USB C ports typically only supply a low power from the ...
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31 views

Why do some docking stations have a double USB-C plug

The docking stations for both my Dell and my MacBook Pro have a double USB-C plugs to plug into the computer. The plugs on the cable are perfectly spaced to match the spacing of the ports on the ...
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1answer
105 views

Lenovo ThinkPad USB-C Dock Gen 2 works with ThinkPad T440 to project the displays?

I have a Lenovo ThinkPad USB-C Dock Gen 2 that works well with my ThinkPad 480 to connect my dual monitors. I have another Lenovo PC, ThinkPad T440 and want to connect this to my Dock as well. However,...
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355 views

Is it possible to upgrade a basic USB-C to have USB-C Alternate Mode?

In relation to my previous post (How to get an HP Elitebook 840 G4 on a Universal USB-C dock to be Thunderbolt compatible?), I have a ThinkPad USB-C Dock Gen 2 (Type 40AS) and would like to use this ...
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Shorted a charging port; can I just use a different one?

I have a Thinkpad T480s which has 2 USB-c ports that can be used for charging. Last night I plugged in my laptop and the port and charging tip started burning and now have burn marks on them. Can I ...
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Screens connected through USB-c HDMI-adapter turn black when playing DRM-content in browser

As soon as I browse to sites like Netflix or Prime Video and play a movie, some of my external screens turn black. It's always the screens connected via a usb-c HDMI adapter. Details: Laptop: Dell ...
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29 views

USB-C display compatibility

I'm searching for a monitor to connect it to my Surface Book 3 15". And I want to use only the USB-C cabele (also use to load my laptop). The Surface Book offers USB 3.x Gen 2 @ 10Gb/s DP alt ...
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I have an old Dell computer but the charger does not work

I have an old dell computer that has the regular charging socket malfunctioning. I have been trying to find if I can use a charger that has USB C and then use an adapter on the laptop to convert USB A ...
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97 views

External portable Touchscreen monitor (USB-C) on non-touch laptop

I have a laptop without touch screen (acer aspire E17 E5-774G-5660). It does come with a USB Type-C connector that supports USB 3.1 Type-C, Gen 1 . I bought a portable touch monitor also equipped with ...
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i have a macbookpro and a pixel 4a: both have a USB-C port for charging can the chargers be used for both? [duplicate]

i have a macbookpro and a pixel 4a: both have a USB-C port for charging can the chargers be used for both? i.e. is the current the same? what should I be cautious of?
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Is it possible to plug two USB-C devices into one USB-C port?

I have a two year old HP Spectre laptop. It has one USB-C port, which besides used for other USB-C devices, it is also used to rechage my laptop. That USB-C port is the only way of charging the laptop....
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21 views

Connect Videocard with HDMI output to USB-C of

I have desktop with HDMI output Videocard and https://www.apple.com/se/shop/product/HMUA2ZM/A/lg-ultrafine-4k-sk%C3%A4rm with USB-C only inputs. I want to use LG screen, but have no idea how. Tried ...
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1answer
232 views

How many devices can I power on USB 3.0 Hub vs USB C hub?

I was reading this thread here, but I don't have enough reputation to reply: The Math Behind Lots of Devices on a USB Hub Hex gives a very detailed answer in that "a powered hub with maximum ...
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1k views

USB ports of USB-C dock (HP G5) stop working when unplugging/replugging

I have a Dell XPS 9560 notebook running Windows 10 and the HP G5 USB-C dock to which I've added a monitor, an ethernet cable and several USB cables (for keyboard, mouse, webcam, etc). It was working ...
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Audio problems when (un)plugging an external display during a zoom meeting on macbook air

I have a MacBook Air with which I use an external display (Dell U2419HC), connected over USB-C. This display has no spekaers. The connection also doubles as charger for my MBA, and an usb keyboard and ...
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2k views

Does a USB-C Power Delivery splitter exist?

Does a USB-C Power Delivery splitter exist? I’m considering purchasing an Apple 96W USB-C charger, which could Fast-Charge 2-3 devices at one time with that amount of power. The only downside is that ...

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