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Plugable USB2.0 10/100 高速イーサネットアダプター

Name: Plugable USB 2.0 10/100 Ethernet Adapter
Brand: Plugable
SKU: USB2-E100
Price: 16.95 USD
Availability: InStock

$16.95 USD

SKU: USB2-E100
Amazon Rating : (3875 Reviews)

機能

高速イーサネット - このアダプタを使えば、コンピュータやタブレットに高速な有線イーサネットを簡単に接続できます。対応機種 Windows 10、8.x、7、Linux 、ChromeOS 、および Nvidia Shield を含む一部の Android デバイスやドック使用時の Nintendo Switch、Wii、Wii U でも使用できます。macOS システムでは使用できませんのでご注意ください。
インストール - ドライバは通常内蔵されていますが、手動で導入することもできます。最大480 Mbps（USB 2.0）の転送速度で、10/100 Mbps のイーサネット通信を実現します。通常、ワイヤレス接続より高速に転送できます。
互換性 - デバイスドライバは Windows 11、10、8.1、Linux カーネル 2.6.35 以降、Wii、Wii U、Switch、ChromeOS、およびその他の一部のシステムや OS に組み込まれています。Windows RT（SurfaceRT）はサポートされていません。macOS では使用できません。
特徴 - 長い実績のある ASIX 社製 AX88772 チップセットを使用しています。RJ-45 ネットワークポートは、どの 10/100 Mbps ネットワークでも使用できます。LED ランプにより通信および稼働状況を確認でき、USB バスパワーで稼働します。
2 年の品質保証 - Plugable は 2 年間の品質保証およびメールでのサポートをご提供いたします。正規販売元よりご購入ください。製品について質問がございましたら、Plugable Japan サポートまでお気軽にご連絡ください。

有線 LAN イーサネットアダプター

USB 2.0 100Mbps Micro USB 100Mbps USB 2.0 1Gbps USB 3.0 1Gbps USB-C 1Gbps (ASIX) USB-C 1Gbps (Realtek) USB-C/USB 3.0 2.5Gbps USB-C 2.5Gbps w/100W Charging

35 ドル以上のご注文で米国内送料無料

Direct purchase in most US states. Currently excludes AK, AZ, IL, KY, MD, MI, MN, NJ, and OH.

Amazon US ($16.95 USD)

Plugable USB 2.0 高速イーサネットアダプター

Image showing the front and back of the USB2-E100 package. The adapter can be seen, as well as the included driver CD and other important information is listed.

安定した有線 LAN 環境への接続

この Plugable USB 2.0 10/100 高速イーサネットアダプタを使うと、USB 2.0 をサポートする、ほとんどのシステムに 10/100 Mbps 高速イーサネット・ポートを追加できます。 ASIX 社製 AX88772 チップセットを採用することにより、非常に多くの機器との接続が可能となっています。非常にコンパクトで、2つの LED により電源とネットワーク状況がわかるようになっています。 USB バスパワーで稼働するため、電源アダプタは必要ありません。このアダプターを使って有線イーサネット LAN に接続することで、インターネットをより高速で安定したネットワークで使用できます。

用途：

USB ポート経由でのシンプルで容易なネットワーク接続
一般的な802.11 ワイヤレス通信に比べて最大 2～3 倍程度高速で、信頼性の高い有線イーサネット通信
不具合のあるネットワークポートの代替
1台のPCから複数ネットワークへの接続

注意：このイーサネット・アダプタは、ネットワーク・プリンターやネットワーク・ストレージのような USB デバイスを、ネットワークに接続するための製品ではありません。また、イーサネット、WiFi、複数機器で共有できません。この製品は、PXE ブート（ピクシー Preboot Execution Environment ）には対応していません。

このアダプターは、macOS システムでは使用できません。

A drawing of the chipset for the usbc-e1000

チップセット

幅広く使用され長年の実績がある ASIX 社製 AX88772 USB 2.0 高速イーサネット・チップを採用しています。

A visual showing the Google Chrome, Windows, and Linux operating system.

デバイスドライバ

Windows 11、10、8.ｘ内蔵
Linux Kernel 2.6.35 以降に内蔵
Chrome OS 内蔵（最新の更新を適用してください。）
macOS には非対応
様々な企業が提供するストリーミングデバイスでの使用はできません。

パッケージ内容

USB2-E100 高速イーサネットアダプター
ドライバー CD
クイック・インストール・ガイド

必要な場合は、最新デバイス・ドライバをウェブサイトからダウンロードしていただくこともできます。

パッケージ内容

パッケージ内容と数量	注記
1x USB 2.0 10/100 高速イーサネットアダプター
1x ドライバ CD
1x クイックスタートガイド

電源

ポート	場所	電源ホスト/デバイス	接続タイプ	備考	電圧	アンペア	ワット数
USB Type-A	ケーブル・コネクタ	周辺機器		USB バスパワー（電源アダプタ不要）	0.0W

ホストへの接続

ポート	場所	バージョンとリンクレート	機能
1x USB-A	ケーブル・コネクタ	USB 2.0（480 Mbps）

有線 LAN ネットワーク

ポート	場所	バージョンとリンクレート	機能	チップセット
100 Mbps イーサネット	前面	100BASE-TX		AX88772 ASIX

物理仕様

項目	サイズ（高さ×幅×奥行き）または長さ	重量	製品番号
USB 2.0 Ethernet Adapter	2 x 3 x 7.5 cm	24 g	USB2-E100

互換性のあるシステム

Microsoft Windows—11, 10, 8.x, 7, Vista, XP
Linux - カーネル 2.6.35 以上
Chrome OS - 最新のシステム更新が必要
Nintendo Wii, Wii U, and Switch—Compatible with no driver

互換性のないシステム

macOS
FreeBSD や pfSense での使用は推奨していません。
様々な企業が提供するストリーミングデバイスでの使用はできません。

An arrow that climbs up and bursts through the gauge, signaling a substantial increase of network speed.

パフォーマンス

USB 2.0 高速イーサネット 10/100Mbps 480Mbps転送速度に対応
USB バスパワーで駆動（電源コードが不要）
10/100Mbps ネットワーク対応
広く採用され実績のある ASIX AX88772 チップセット採用

注意: インターネット上のサイトにアクセスする際の十財の速度は、インターネットサービスプロバイダが提供する転送速度によって決まります。

Plugable 製ギガビット・イーサネット比較表

Plugable のUSBギガビットアダプターの製品ラインナップを比較することができます。


	USB2-E100 $16.95 USD	USB2-E1000（日本未発売） $23.95 USD	USB3-E1000 $16.95 USD	USBC-E1000 $18.95 USD
USB タイプ	USB 2.0	USB 2.0	USB 3.0	USB-C
ネットワーク・スピード	10/100mbps	10/100/1000mbps*（詳細は製品ページを参照）	10/100/1000mbps	10/100/1000mbps
システム互換性	Windows、Linux、ChromeOS 対応 macOS 非対応	Windows、Linux、ChromeOS 対応 macOS 非対応	Windows、Linux、ChromeOS 対応 macOS 非対応	Windows、Linux、ChromeOS 対応 macOS 非対応

ドライバのインストール

Windows 11、10、8.x システムでは、ドライバは OS に内蔵されています。USB 側のアダプタを初めて差し込んだ際に、Windows が自動的にデバイスドライバをセットアップします。
Windows 7 システムでは、他のネットワーク（WiFi や他のイーサネットポート経由など）を有効にした状態で、USB ポートに当アダプターを接続してください。Windows が最適なドライバーを検索します。
デバイスドライバを手動で導入したい場合は、 ダウンロードタブを参照してください。
この USB2-E100 高速イーサネットアダプタは AX88772 チップを採用しています。このチップ用デバイスドライバと、対応プラットフォームの完全なリストは こちらを参照してください。
ドライバは、付属の CD からインストールすることもできます。

製品についてご質問がある場合は、Plugable サポート nihongo@plugable.com までご連絡ください。

すでに別のネットワークアダプター経由でインターネットに接続している Windows PCの場合は、Windows Update によって自動的にドライバーがダウンロードされインストールされます。

もし何らかの問題が生じた場合は、ASIX 社の提供する最新ドライバーを適用してください。

Windows RT や Windows X などの ARM ベースの Windows 版には対応しておらず、使用できません。

macOS 10.15 以降、macOS 上でのこれらのアダプターの使用は公式にはサポートされていません。詳しくはナレッジベースの記事を参照してください。

プラットフォーム	重要な注意事項	日付	バージョン、ダウンロード
Windows 11、10、8.ｘ		2015年9月	ダウンロード
macOS 10.6 から 10.15.x まで	macOS 10.13-10.14.x では、サードパーティ製の拡張機能（ドライバ）を手動で承認する必要があります。そのためのステップバイステップの手順は、ナレッジベースに記載されています。
Linux カーネル 3.2 以下	Linux カーネル 3.2 以上のディストリビューションでは、ドライバがカーネルに組み込まれています。それ以前のバージョンのカーネルでは、ソースからコンパイルする必要があります。

Filter Help Articles and Frequent Questions by Category

Choose one or more filters within each category to narrow down the articles. Each selection will result in only displaying articles that include all of your choices.

Articles

Understanding and Troubleshooting Network Performance

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Computer networking is a complex topic. In this article, we'll be taking a deep dive on the nuances of network performance for those who need some additional explanation while striving to be concise, and to educate users of various experience levels relating computer hardware and computer networking.

If you just need to know how to perform a network performance test/benchmark, jump down to configuring iPerf.

Core Network Concepts

LAN vs WAN

With regards to network performance, it is crucial to first separate whether an issue is with Wide Area Network (WAN) performance, or if the issue is with Local Area Network (LAN) performance.

Your LAN is essentially the network inside your home or business. Many homes use a combination modem/router device provided by their Internet Service Provider (ISP). In some cases, especially in businesses, you may have a separate modem and router, along with other equipment connecting to the router such as a network switch.

Your modem, and the connection it establishes to your ISP—whether through coaxial cable, fiber, phone lines, or long-range wireless—essentially marks the point between the WAN and the LAN. The connection your modem makes to your ISP is the WAN, and any devices you connect through your router behind that modem belong to the LAN.

Link Rate

Almost every type of connection your computer makes to any piece of hardware will have a link rate of some kind. The link rate establishes how fast data can possibly be transferred across any given connection, but it does not guarantee how fast the hardware on either end of the connection will actually transfer data.

The concept of link rates, and their related bottlenecks, is likely best conveyed by giving an example of what connections might be involved in transferring a file from one computer on your LAN to another.

800Mbps—The file source is a USB 3.0 thumb drive capable of 100MB/s (800Mbps) read/write.
480Mbps—The USB 3.0 thumb drive is plugged into a USB 2.0 port on the PC, which has a maximum throughput of 480Mbps
1000Mbps—PC1's Ethernet connection establishes 1Gbps (1000Mbps) link to the router via Ethernet
300Mbps—The router connects to a second PC (we'll refer to this as PC2) via Wi-Fi, and it has established a 300Mbps link to the Wi-Fi adapter on PC2
480Mbps—The Wi-Fi adapter on PC2 is connected via a USB 2.0 port. The link rate of the USB connection to PC2 is at 480Mbps
6000Mbps—PC2 is going to store the file on an internal hard drive with a link rate of 6Gbps
1600Mbps—File Destination: SATA hard drive capable of 200MB/s (1600Mbps) read/write.

Following this chain, we see that 300Mbps is the slowest link rate established. This means that, regardless of the link rates established elsewhere, the absolute maximum the data can possibly be transferred is 300Mbps.

if we were to change the Wi-Fi connection to a wired Ethernet connection capable of 1Gbps, our performance bottleneck would then become the USB 2.0 connection to the USB drive where the file is stored.

Ports and Interfaces

Interfaces

A network interface represents connections, whether wired or wireless, that are made to form a network between devices.

Ports

Some may refer to physical hardware connections as "ports". For the purposes of networking, ports are logical constructs that can also be referred to as "network ports". Each network interface has 65,535 of these logical ports. Each port on a network interface is a separate data connection.

Benchmarking Network Adapter Performance

To properly benchmark network adapter performance, we need to:

Use a simple LAN configuration
Eliminate bottlenecks, especially link rate bottlenecks

Websites like speedtest.net, fast.com, and other performance tools in your web browser are going to use your WAN connection, and are not appropriate for determining if a network adapter is working well.

Transferring files from one computer to another on your LAN is typically not the best way to benchmark a network adapter. File transfers are bottlenecked by a number of things, including performance limitations of the disk the data is on, and often times a lack of establishing parallel network connections to perform the task.

One of the most accurate ways to benchmark network performance on a LAN is by using iPerf . To more effectively benchmark network adapter performance, it is best to establish a point-to-point connection between two PCs, rather than connecting through a router or switch.

Configuring iPerf

To test a connection using iPerf, you'll need at least two network interfaces, and preferably two computers. You'll also need to know the IP (Internet Protocol) address assigned to each network interface . One network interface will function as an iPerf server, and the other network interface will function as an iPerf client. Lastly, you'll need to download the version of iPerf 3.x that's appropriate for your computer's operating system and extract/install it .

Windows

Make sure the drivers for both network interfaces involved in the test are using up-to-date drivers. Drivers for Plugable products can be found here.
Download and extract iPerf for Windows
Open Command Prompt
- Press Windows Key + R or + R, then enter cmd in the window that appears
- Search the Start Menu for Command Prompt, and open it
Navigate Command Prompt to the directory the directory where iPerf is located
- The cdcommand is for 'change directory'
  - If you have a folder named 'iperf' on your Windows desktop, you can reach it in command prompt with the command cd %USERPROFILE%\Desktop\iperf
Run iperf in server mode via Command Prompt
- iperf3.exe -s

macOS

Usually it is best to install iperf on macOS using brew in Terminal
Make sure the drivers for both network interfaces involved in the test are using up-to-date drivers
- Drivers for Plugable products can be found here
Open Terminal
Run iPerf in server mode
- iperf3 -s

Linux

Usually it is best to install iperf using the package manager in your Linux distro. For example, in Ubuntu, use apt:
- sudo apt install iperf3
Make sure the drivers for both network interfaces involved in the test are using up-to-date Drivers
- Drivers for Plugable products can be found here
Open Terminal
Run iPerf in server mode
- iperf3 -s

Next, you'll need to run iPerf in client mode, targeting the IP address of the server/interface where iPerf is running in server mode. Additionally, we'll run the test for 30 seconds using -t 30 and with four parallel connections using -P 4. Running 4 parallel connections is optimal for saturating a network link.

Windows

Open Command Prompt
- Press Windows Key + R or + R, then enter cmd in the window that appears
- Search the Start Menu for Command Prompt, and open it
Navigate Command Prompt to the directory the directory where iPerf is located
- The cdcommand is for 'change directory'
  - If you have a folder named 'iperf' on your Windows desktop, you can reach it in command prompt with the command cd %USERPROFILE%\Desktop\iperf
Run iperf in client mode via Command Prompt (replace 192.168.0.200 with the IP address of the server/interface where iPerf is running in server mode)
- iperf3.exe -c 192.168.0.200 -t 30 -P 4

macOS / Linux

Open Terminal
Run iPerf in client mode (replace 192.168.0.200 with the IP address of the server/interface where iPerf is running in server mode)
- iperf3 -c 192.168.0.200 -t 30 -P 4

iPerf should start performing a network performance test. If the test fails to start, make sure that iPerf is not being blocked by your PC's/Mac's firewall.

Why iPerf is Ideal for Benchmarking

Unlike a file transfer, iPerf runs in memory on the PC and generates data to send using the CPU directly. This alleviates potential bottlenecks generated by storage devices, and allows you to explicitly control how many parallel connections are being used to transfer data rather than being unsure if parallel network connections are being used by other means.

Conclusion

There's a lot more to networking that isn't covered in this article, but we hope this helps explain enough to get an accurate measure of your network performance.

If you need assistance with your Plugable product that features network connectivity, please contact us for further assistance.

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Installing Plugable USB-Ethernet Drivers in Windows 10

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**This is a legacy article from 2015. Please see notes for important information on changes.

Update: A Windows 10 driver now exists for the USB2-E1000. However, it will not appear in the CD that comes with the adapter until the next lot of adapters is shipped. The updated driver can be downloaded from this link: Windows 10/8/8.1, 7, Vista, and XP drivers for USB2-E1000.

If you are not able to connect to the Internet without installing the driver, you can download it onto a flash drive on another computer and use that to install it.

In testing Plugable’s USB-Ethernet adapters with Windows 10, we were happy to discover they all work successfully when their drivers are properly installed. However, an installation problem could cause issues with the USB2-E1000.

Drivers are already built into Windows 10 for: the ASIX AX88772 chip in our:

The ASIX AX88772 chip in our USB2-E100 and USB2-OTGE100 adapters
The ASIX AX88179 chip in our USB3-E1000, USBC-E1000, and USB3-HUB3ME*.

*Note In 2017, our USB3-HUB3ME was redesigned to include a Realtek RTL8153 chipset and drivers. Windows 10 should automatically configure these drivers when you plug the adapter in.) When you insert these adapters into a USB port, the drivers should automatically install with no need for an internet connection.

However, the driver for the ASIX AX88178 chip in our USB2-E1000 is not pre-installed in Windows 10, and we have discovered a problem with the downloadable driver that keeps it from installing. If this happens, the adapter will show up in Device Manager as “AX88178” with a Code 28 error: “”Drivers for this device are not installed.”

There are several ways to work around this issue, depending on the scenario:

1. Upgrading from Windows 7 or Windows 8.1: If you have already installed the driver for the USB2-E1000 in Windows 7 or 8.1 and upgrade directly from that version to Windows 10, the currently installed driver will be available to Windows 10, and your adapter should work without any further effort. If you haven’t yet installed this driver, please install it before upgrading.

The easiest way is to establish an internet connection, either wirelessly or through another Ethernet port, then plug in the USB2-E1000. Windows Update should see it and automatically download the correct driver. You can also download and install the driver from our website or from the disk that came with your adapter.

2. Doing a clean install of Windows 10 or using the USB2-E1000 on a new Windows 10 computer: Since the previous Windows 7 or 8.1 driver will not be carried over to a clean install of Windows 10, it must be freshly installed. The only way to accomplish this is to have an internet connection available when you first plug in the USB2-E1000.

That will allow Windows Update to download and install the driver. If you are in a situation where this is not possible, we recommend delaying the update until an internet connection is available, or until this issue has been fixed. Currently, the driver on the Plugable and ASIX websites is not working with Windows 10.

If you’re a user of a Plugable USB-Ethernet adapter and are experiencing issues, we’re here to help! If support is needed, please run our PlugDebug tool found HERE to collect system logs, and send the resulting file to support@plugable.com along with a description of the behavior you’re experiencing and any additional details you feel are relevant.

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My Plugable product with wired Ethernet is no longer working on macOS. What can I do?

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Please Note

The below guide is an advanced troubleshooting step, and we do not recommend doing so unless you are comfortable manually altering files on your Apple product running macOS. You may not be able to perform the below troubleshooting step if you are unable to execute administrative credentials on your laptop. Please reach out to our support first if you do not wish to attempt the below instructions. You can do so at Plugable.com/Support

How to delete a specific Ethernet adapter from your Network devices on macOS

Click on the Apple logo in the top left corner of your primary monitor, and select ‘System Preferences’
Next select ‘Network’ in the ‘System Preferences' window.
In the now visible list, please select the Plugable Ethernet, or Thunderbolt Ethernet device that may not be working as expected.
Once selected click on the minus button in the bottom left of the network window.
Click on Apply in the bottom right.
Next click on the plus button in the bottom left of the network window, and add the previously removed device.
Click on Apply in the bottom right.
Test to see if this has resolved the unexpected behavior, and assure that your Ethernet is now working.
If this does not resolve the problem, please proceed to the next section (As noted previously the next section is for advanced users only!)

Manually erase your macOS Network Settings to fully reset the Network configuration

(Advanced! Click to reveal)

Delete

Warning!

This will fully erase all of your Network configuration! Do not skip any steps, and proceed only if you are comfortable with each step!

Open the ‘Finder’ app, then in the ‘Go’ menu at the top of your screen select ‘Computer’
Click on ‘Macintosh HD’ then Library, Preferences, SystemConfiguration
Copy the file named ‘NetworkInterfaces.plist’ to your desktop as a backup of your current configuration.
Delete the original version of the ‘NetworkInterfaces.plist’ located in the SystemConfiguration directory.
Restart your Mac
Login to your Mac, and return to System Preferences → Network
If the list is now empty, please re-add the Plugable or Thunderbolt network adapter by clicking on the plus button in the bottom left of the Network window. Once done click on 'Apply'.
Test to see if this has resolved the unexpected network behavior

Delete

I am still unable to get my Ethernet connection working on my Mac

If this is the case please reach out to our support team. When you do please include a diagnostic log gathered using our PlugDebug tool (instructions are provided on the PlugDebug page). If you are not able to gather the PlugDebug diagnostics do not worry we are still here to help! Please reach out to our support team at support@plugable.com or Plugable.com/Support with a detailed description of your problem, and the model of Plugable product you are using.

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Plugable USB2-E100 Roku Streambar Compatibility Info

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Our USB2-E100 Ethernet Adapter uses an ASIX AX88772 chipset for wide compatibility, and can help make a 10/100mbps wired connection for your Roku Streambar series device.

Follow these basic steps to get set up:

Plug the USB2-E100 adapter into the USB port on the back of your Roku Streambar
Connect an Ethernet cable between the Ethernet port on the USB2-E100 adapter and an open Ethernet port on your modem/router
Go into Settings > Network > Set up connection and select Wired and this should recognize the connection

You can find more information, additional steps and contact details at this official Roku resource: How to use USB to connect your Roku streaming device to a wired network.

We hope this was helpful! Questions about your adapter? Feel free to reach out to us directly at: support@plugable.com.

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How to Use Two External Displays with the Lid Closed on MacBook Air and MacBook Pro M3

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Overview

With the release of Apple’s M3 CPU chips and the Sonoma 14.6 update your base MacBook Air and MacBook Pro systems with M3 chips can now host two external displays natively in clamshell mode. This guide will walk you through the process of setting up and using two external displays with the lid closed on your MacBook Air or MacBook Pro equipped with an Apple M3 chip.

Requirements

Before getting started, ensure you have the following:

MacBook Air or MacBook Pro with an Apple M3 chip.
macOS Sonoma 14.3 or later for an M3 MacBook Air or macOS Sonoma 14.6 or later for an M3 MacBook Pro.
Two external displays with compatible video inputs (e.g., HDMI, DisplayPort, USB-C).
- A dock or graphics adapter can be used as well.
External keyboard and mouse (wired or wireless).
Power adapter or power source for your MacBook
- A docking station that provides adequate charge can be used in place of the native power adapter, be sure to check the wattage your dock provides.

Steps to Set Up Dual External Displays with the Lid Closed

1. Set Up Your External Keyboard and Mouse

If you’re using a wired keyboard and mouse, connect them directly to your MacBook or Plugable dock.
For wireless peripherals, ensure they are paired with your MacBook and functioning properly.
An AC adapter/power cable of some kind will also need to be connected for clamshell mode to function properly. This adapter can be one from a docking station or the included Apple adapter.

2. Connect Your Displays

Connect the first external display to your MacBook using the appropriate cable (e.g., HDMI, DisplayPort, USB-C)
Close your laptop’s lid.
Connect the second external display using a similar method.
Ensure both displays are powered on and set to the correct input source.

3. Configure Display Settings

Open System Settings on your MacBook.
Go to Displays.
You should see both external displays listed. Arrange them according to your preference by dragging the display icons.
Adjust the resolution, refresh rate, and other settings as needed.

4. Enable "Clamshell Mode" (Lid Closed Mode)

With your external displays connected and set up, close the lid of your MacBook.
Your MacBook will automatically switch to "Clamshell Mode," where the internal display turns off, and the external displays become your primary screens.
Ensure your MacBook is connected to a power source to prevent it from entering sleep mode.

5. Check the Display Arrangement

With the lid closed, check that the external displays are functioning as expected.
If necessary, re-open the Displays settings to adjust the arrangement, resolution, or other preferences.

Troubleshooting Tips

No Display on External Monitors: If the external displays are not showing anything, open the lid of your MacBook and check the connections.
MacBook Sleeps When Lid Is Closed: Make sure your MacBook is connected to a power adapter. Clamshell Mode requires the MacBook to be plugged into an external power source.
Performance Issues: If you experience lag or performance drops, try lowering the resolution or refresh rate of the external displays.

Thunderbolt Dock Users

With these steps, one can use Plugable Thunderbolt docks to enjoy a dual-display setup without the need for additional software installation. The dock leverages the native capabilities of the MacBook Air M3 and MacBook Pro M3, providing a straightforward and efficient solution for expanding your workspace with additional USB ports, audio, and ethernet (as well as the dual displays).

Additional Resources

If you should need any assistance with your setup, please feel free to reach out to our support team at support@plugable.com.

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