Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minutePC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11If your USB-C hub’s HDMI port shows no picture, first check whether the exact USB-C port on your computer supports video output. The USB-C shape alone does not guarantee video: many hubs rely on DisplayPort Alternate Mode (Alt Mode) or a compatible Thunderbolt/USB4 display path, then convert that signal to HDMI. If the host port lacks a compatible video mode, changing cables or display settings will not make the hub output video.
Work through the checks below in order, starting with compatibility and the simplest connections before considering a fault or replacement.
As an Amazon Associate I earn from qualifying purchases.
1. Confirm that the computer’s USB-C port supports video
Look up the specifications for your exact computer model and the specific USB-C port you are using. Confirm that it supports DisplayPort Alt Mode or a display path compatible with your hub. Some computers have USB-C ports with different capabilities, and a port that charges a device or handles data may still lack video output. Microsoft advises checking that the PC, display, and cable support a compatible display mode; HP also specifies DisplayPort Alt Mode support for its Universal USB-C Multiport Hub.
A DisplayPort symbol or lightning-bolt marking can be a useful clue, but the computer maker’s specifications are better confirmation. See Microsoft’s USB-C troubleshooting guidance and HP’s USB-C hub guidance. If the specifications do not clearly establish video support, ask the computer maker before buying another hub.
#1 Best Overall
- 5 in 1 Connectivity: The USB C Multiport Adapter is equipped with a 4K HDMI port, a 100W USB C PD port, a 5 Gbps USB A data port, and two 480 Mbps USB A ports
2. Connect the hub directly and use its supplied cable
For diagnosis, connect the hub straight to the computer. Temporarily remove any other hub, dock, extension, or adapter between them. Intermediate devices and multiple connected alternate-mode devices can complicate USB-C behavior.
Use the cable supplied with the hub if it has a detachable host cable. A USB-C cable may support charging or basic data without carrying the display signal the hub needs. If you are considering another cable, check the hub’s requirements rather than choosing by connector shape alone. Microsoft recommends using the device maker’s cable or a certified USB4 cable in relevant USB-C troubleshooting guidance; Plugable likewise specifies the supplied cable for its UD-CA1A.
Rank #2
- 7-in-1 USB C Hub: USB C to HDMI Adapter equipped with 1*4K@60Hz HDMI port, 2*USB 3.0 ports, 1*USB C Data port, 1*100W PD, microSD/SD card reader slot, Works well with most USB-C devices, like MacBook Pro, MacBook Air, MacBook M1, M2, iMac, iPad Pro, iPhone 15 Pro/Pro Max, Dell XPS Surface, HP and other USB-C port devices
- Enjoy Crystal-Clear 4K@60Hz Video: MacBook Pro Adapter mirrors or extend your screen with USB C hub’s HDMI port and directly stream 4K UHD @60Hz video to HDTV, monitor or projector to see all in sharp and glorious detail, perfect for photographer and video editor
- Super Speed USB 3.0 Ports: USB C Hub Multiport Adapters allow you to connect keyboard, mouse, hard drive, etc to MacBook Pro, up to 5Gbps data transmission speed, down compatible with USB A 2.0 and below. Because HDD/SSD needs more power, so it only allows connect 1 HDD/SSD and this adapter won't support Apple USB super drive
- USB C Data & 100W PD: Mac HDMI Adapter comes with 2*USB C port which easily fulfills your multiple needs, the USB C data port enables you to connect multiple USB C devices to your devices and quickly transfer files, such as hard drives, flash drives, mice, etc. Another PD port supports 100W power in; Power out (charging) is limited to 87W for safety, continuously charging your laptop while using
- Convenient microSD/SD Card Reader: USB C Adapter for MacBook only needs a few seconds to complete the reading speed, super fast to upload and download your data; Convenient USB-C adapter to access files from microSD/SD card reader and perfect for photographer or designer, etc
3. Check the monitor, HDMI input, and cable path
- Turn the monitor on and manually select the HDMI input that the cable uses, such as HDMI 1 or HDMI 2.
- Connect the hub to the monitor with one direct HDMI cable. Remove splitters, converters, and adapters while testing.
- If available, try a known-good HDMI cable or another display. This helps distinguish a cable or monitor problem from a host-to-hub compatibility issue.
Incorrect monitor input selection is a common no-video cause in Plugable’s troubleshooting guidance. Microsoft also recommends trying a different cable when diagnosing display problems. See Plugable’s HDMI video troubleshooting steps and Microsoft’s USB-C guidance.
4. Check resolution, refresh rate, and display limits
If the display is detected but remains blank, flickers, or fails at a particular setting, try a lower resolution or refresh rate. The supported output depends on the hub model and revision, the host computer, the number of connected displays, and their settings. Check the exact hub specifications rather than assuming all USB-C hubs share the same limits.
Rank #3
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
For example, Plugable says the original USBC-7IN1 supports up to 3840 × 2160 at 30 Hz. Its revised version can reach 60 Hz with a compatible host that supports DisplayPort 1.4 Alt Mode. Those figures apply to that model and its revisions, not to USB-C hubs generally. Apple also notes that the number of external displays a Mac supports depends on the exact Mac model and connected display settings; see Apple’s guidance on connecting displays to a Mac. Plugable’s product-specific resolution information is at the USBC-7IN1 specifications page.
5. Restart the connection, then check operating-system settings
Disconnect the hub from the computer. If the hub has its own power supply, disconnect that too, then reconnect according to the hub maker’s instructions. For Plugable’s UD-CA1A, the instructions specify waiting 30 seconds before reconnecting power and the host cable; do not assume that timing applies to every model. See Plugable’s model-specific troubleshooting instructions.
Rank #4
- 【5-in-1 Ultimate Productivity HUB】Expand your USB-C port into a high-performance workstation. This usb c hub multiport adapter integrates 4K@60Hz HDMI, 100W PD, USB-C 3.0 (5Gbps), USB-A 3.0/2.0. Perfect for keeping your desk organized and eliminating clutter from multiple dongles.
- 【True 4K@60Hz Visual Feast】Stop settling for blurry 30Hz displays. This USB-C to HDMI adapter supports 4K@60Hz, delivering 2X the smoothness of standard hubs. Ideal for pro video editing, high-stakes presentations, or immersive 4K streaming without motion blur.
- 【100W Pass-Through Fast Charging】Equipped with a high-speed PD 3.0 chip, this usb c to usb adapter supports up to 100W input and provides a stable 90W output to your laptop. Stay powered up during intensive tasks like 3D rendering or long meetings—say goodbye to low-battery anxiety once and for all. 📌Note: For optimal 90W charging, a 100W power adapter and cable are recommended (not included).
- 【Hyper-Speed 5Gbps Data Transfers】Move massive files in seconds! Featuring both USB-C and USB-A 3.0 ports (5Gbps), this usb c hub for laptop is 10X faster than USB 2.0. The additional USB 2.0 port is optimized for wireless mice and keyboards, ensuring a stable connection with zero interference.
- 【Superior Cooling & Ultra-Portable Design】Built with a durable aluminum shell, this docking station improves heat dissipation for reliable use. Its ultra-slim, lightweight design slips easily into your bag—perfect for travel, office, or remote work essentials.
On a Mac, open System Settings > Displays and check whether the monitor appears. If it does, review its resolution and refresh rate. On Windows, follow the troubleshooting steps for the specific USB-C or display error and the devices involved. A manufacturer may recommend a driver for a particular problem—ASUS, for instance, recommends an Intel chipset driver in certain USB-C troubleshooting cases—but a driver cannot add video output to a port that lacks the required hardware capability. See Apple’s Mac display instructions and ASUS USB-C troubleshooting guidance.
6. Isolate whether the hub or computer may be faulty
If possible, test the same hub, cable, and display with a computer known to support the hub’s video mode. You can also test the original computer with a known-compatible display connection. If the hub works with another compatible host, investigate the original computer’s port or configuration. If video still fails across compatible hosts and displays, while the hub’s other functions work, the hub or its power source may be at fault. ASUS notes that a dock or its power source can be responsible when a connected USB device works normally but the dock does not.
Best Value
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
When contacting support, provide the exact computer, hub, cable, and monitor models, the operating system, and the resolution and refresh rate you are trying to use. Those details let the computer or hub maker check compatibility and model-specific limits.
Should you replace the hub or use a different adapter?
Replace hardware only after confirming that the computer supports video over the port in question and testing a direct connection with a suitable cable. Compare replacement options by their required host mode, supported resolution and refresh rate for your computer and display count, power requirements, and any required driver or software—not by port count alone.
A USB-C-to-HDMI adapter that supports DisplayPort Alt Mode can provide a simpler direct connection when the computer’s port supports that mode. It will not solve a host port with no video output. Apple describes compatible USB-C-to-HDMI adapters as a way to connect a Mac to an HDMI display; check the exact adapter and host requirements at Apple’s display connection guidance.
Quick wins for a faster PC:
Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
