^(Are)您在让Logitech Unifying Receiver^{(Logitech Unifying Receiver)}在您的 PC 上运行时遇到问题吗？也许Windows无法识别无线适配器，或者可能无法与您的 Logitech 设备保持稳定的连接。造成这种情况的原因可能有多种，从驱动程序问题到与系统设置冲突。

无论您使用的是全新的罗技统一接收器^{(Logitech Unifying Receiver)}还是已经使用了一段时间的接收器，以下解决方案都应该可以帮助您解决问题。

1. 切换USB端口

有故障、有缺陷或不兼容的USB端口可能会导致Logitech Unifying 接收器^{(Logitech Unifying Receiver)}无法正常工作。要解决该问题，请将加密狗连接到 PC 上的其他端口进行试验。避免使用^(Avoid)外部USB集线器，因为它们可能无法提供足够的电力。

2. 重新启动电脑

重新启动电脑是一个快速故障排除步骤，可以通过清除系统缓存、重新加载硬件驱动程序^{(reloading hardware drivers)}和完成未完成的更新来修复随机问题。

要重新启动电脑，请打开“开始”^(Start)菜单，选择“电源”^(Power)按钮，然后选择“重新启动”^(Restart)。如果您看到“更新^(Update)并重新启动”选项，请选择该选项。

3. 充电或更换电池

电池电量低会导致Logitech无线鼠标或键盘无法通过Logitech Unifying 接收器^{(Logitech Unifying Receiver)}与您的 PC 进行通信。如果设备的电池是可充电的，请确保其已充满电。如果它是不可充电的，请更换新的。此外，在使用新罗技^(Logitech)设备之前， 请找到并取下所有电池隔离片。

4.重新安装罗技驱动程序软件^{(Logitech Driver Software)}

另一个可能的问题是Logitech^(Logitech)无线适配器驱动程序损坏。通过设备管理器^{(Device Manager)}删除^(Remove)并重新安装关联的驱动程序文件以排除这种情况。就是这样：

1. 右键单击^{(Right-click)}“开始”^(Start)按钮（或按Windows + X）并选择“设备管理器”^{(Device Manager)}。
2. 双击人机接口^{(Double-click Human Interface)} 设备^(Devices)以展开类别。
3. 右键单击符合 Logitech HID 标准的 Unifying^{(Logitech HID-compliant Unifying)}设备并选择卸载^(Uninstall)设备。

1. 选中“尝试^(Attempt)删除该设备的驱动程序”旁边的框，然后选择“卸载”^(Uninstall)。
2. 重启你的电脑。Windows应在启动时自动重新安装设备驱动程序。为确保安全，请重新打开“设备管理器”^{(Device Manager)}并选择Action > Scan硬件更改”。

5. 断开其他无线^(Wireless)外围设备的 连接

PC 上的其他USB设备可能会干扰罗技 Unifying 接收器^{(Logitech Unifying Receiver)}并阻止其工作。断开^(Disconnect)各个外围设备的连接，重新启动Windows，然后检查接收器是否再次开始正常工作。

6. 安装Logitech Unifying 软件^{(Logitech Unifying Software)}

罗技统一接收器^{(Logitech Unifying Receiver)}在出厂时已与随附的无线键盘或鼠标配对，可实现即时即插即用。

如果失败，或者如果您想要向加密狗添加另一个 Unifying 兼容鼠标或键盘，则必须通过Logitech Unifying 软件^{(Logitech Unifying Software)}实用程序手动将其配对。当使用Unifying 鼠标或键盘的替换接收器^{(replacement receiver for a Unifying mouse or keyboard)}时，这同样适用。

要使用Logitech Unifying 软件^{(Logitech Unifying Software)}配对 Unifying 兼容鼠标和键盘：

1. 从Logitech^(Logitech)官方网站下载并安装Logitech Unifying 软件^{(Logitech Unifying Software)}。
2. 卸下^(Remove)并重新连接Logitech Unifying 接收器^{(Logitech Unifying Receiver)}。
3. 打开Logitech Unifying 软件^{(Logitech Unifying Software)}界面。

1. 重新启动您想要配对的Logitech鼠标或键盘（^(Logitech)关闭和打开^(Off)电源^(Power)开关），然后等待Logitech Unifying 软件^{(Logitech Unifying Software)}检测到该设备。
2. 按照屏幕上的所有说明完成Logitech设备的配对。

注意：单个Logitech Unifying 接收器^{(Logitech Unifying Receiver)}最多可与六台Logitech设备配对。

7.安装额外的 Logitech 支持软件^{(Install Additional Logitech Support Software)}

罗技以^(Logitech)Logi Options+的形式提供支持软件，可增强罗技^(Logitech)设备的性能和连接性。它提供了大量的定制选项、驱动程序更新等等。如果您还没有安装，请安装它并检查是否有影响。

或者，下载并运行罗技固件更新工具，因为它可以更新^{(Logitech Firmware Update Tool)}罗技^(Logitech)产品的固件，包括无线接收器的固件。

8. 安装或回滚 Windows 更新^{(Roll Back Windows Updates)}

Windows 更新有破坏 USB 设备功能的历史^{(history of disrupting the functionality of USB devices)}。解决此问题可能需要将 Windows 操作系统更新到最新版本或删除可能导致问题的 最新更新。^{(removing recent updates)}

要更新 Microsoft Windows：

1. 右键单击^{(Right-click)}“开始”^(Start)按钮并选择“设置”^(Settings)。
2. 选择 Windows 更新。
3. 选择“检查^{(Select Check)}更新”，然后选择“下载^(Download)并安装”（如果列出了新更新）。

接下来，转到“高级^(Advanced)选项”> “查看^(View)可选更新”> “驱动程序^(Driver)更新”（或Windows 10中的“可选^(Optional)更新”），然后为您的电脑安装最新的驱动程序更新（如果有）。

如果没有新的更新，请尝试删除最新的非安全更新。在 Windows 11 中：

1. 右键单击^{(Right-click)}“开始”^(Start)按钮并选择“设置”^(Settings)。
2. 转至Windows Update > Update历史记录> Uninstall更新。
3. 选择要删除的更新旁边的 卸载按钮。^(Uninstall)

如果您使用 Windows 10，请打开控制面板^{(Control Panel)}，转至Windows Update > View Update History > Installed Updates，然后选择要删除的更新旁边的 卸载。^(Uninstall)

9. 执行 SFC 或 DISM 扫描

USB驱动程序文件有缺陷或缺失可能会妨碍 Windows 检测无线接收器的能力。使用系统文件检查器^{(System File Checker)}( SFC ) 和部署映像服务^{(Deployment Image Servicing)}和管理^(Management)( DISM ) 命令行工具来纠正操作系统损坏和稳定性问题。

要运行 SFC 和 DISM 扫描：

1. 右键单击^{(Right-click)}“开始”^(Start)按钮并选择Windows PowerShell/Terminal (管理员^(Admin))。
2. 复制并粘贴以下命令，然后按Enter运行系统文件检查器^{(System File Checker)}：

证监会/scannow

1. SFC扫描完成后，使用以下命令 运行DISM工具：^(DISM)

DISM.exe /Online/Cleanup-Image /Restorehealth

10.禁用USB电源管理

^(Energy)Windows中的^(Windows)能源管理设置可能会通过切断USB端口的电源来干扰USB接收器的性能。要阻止这种情况：

1. 右键单击^{(Right-click)}“开始”^(Start)按钮并打开“设备管理器”^{(Device Manager)}。
2. 展开通用串行总线^{(Expand Universal Serial Bus)}控制器。
3. 右键单击“USB 根集线器”^{(USB Root Hub)}并选择“属性”。
4. 切换到电源管理^{(Power Management)}选项卡。
5. 禁用允许计算机关闭此设备以节省电量旁边的框。

1. 选择确定。
2. 对通用串行总线^{(Universal Serial Bus)}控制器类别下的USB 根集线器^{(USB Root Hub)}的其他实例重复此操作。

11.卸载冲突的项目

添加对非 Logitech USB输入设备（例如MotioninJoy）^{(MotioninJoy—can)}支持的第三方USB软件可能会与Logitech Unifying Receiver发生冲突。检查已安装的应用程序列表并删除可能存在冲突的项目。就是这样：

1. 右键单击^{(Right-click)}“开始”^(Start)菜单，然后选择“已安装的^(Installed)应用程序”/“应用程序和功能”。
2. 选择您要删除的应用程序。
3. 选择卸载。

注意：Windows 注册表中与这些程序相关的^{(Windows Registry)}无效^(Invalid)或剩余条目可能会继续干扰 Logitech 的USB接收器。注册表清理工具^{(registry cleanup tool)}（例如Wise Registry Cleaner）有助于删除这些有问题的条目。

修复 PC 上的 Logitech Unifying^{(Fix Logitech Unifying Receiver Issues)}接收^(Your)器问题

在Windows 10或 11 上遇到Logitech Unifying Receiver问题可能会令人沮丧。但是，实施故障排除步骤（例如更改USB端口、更新Windows和重新安装USB驱动程序）可能有助于解决问题。

如果上述修复均不起作用，则问题可能出在硬件上。如果您的Logitech Unifying 接收器^{(Logitech Unifying Receiver)}仍在保修期内，请将其退回以进行更换。同时，如果您的Logitech输入设备兼容蓝牙（如^(Bluetooth)蓝牙^(Bluetooth)徽标所示），请使用此连接方法作为临时解决方案。

Logitech Unifying Receiver Not Working? 11 Fixes to Try

Are you having trouble getting a Logitech Unifying Receiver to work on your PC? Perhaps Windows isn’t rеcognizing the wireless adаpter, or it might be faіling to maintain a stable cоnnection with your Logiteсh devices. There can be several reasons for this, from driver issues to conflicts with system settіngs.

Whether you’re dealing with a brand-new Logitech Unifying Receiver or one you’ve had for a while, the following solutions should help you fix the problem.

1. Switch USB Ports

A glitchy, faulty, or incompatible USB port could prevent the Logitech Unifying Receiver from working correctly. To troubleshoot the problem, experiment by connecting the dongle to other ports on your PC. Avoid external USB hubs as they may not provide sufficient power.

2. Restart Your PC

Restarting your PC is a quick troubleshooting step that can fix random issues by clearing the system cache, reloading hardware drivers, and finalizing unfinished updates.

To restart your PC, open the Start menu, select the Power button, and choose Restart. If you see an Update and restart option, select that instead.

3. Recharge or Replace the Battery

Low battery power prevents a Logitech wireless mouse or keyboard from communicating with your PC through the Logitech Unifying Receiver. If the device’s battery is rechargeable, ensure it’s fully charged. If it’s non-rechargeable, replace it with a new one. Also, locate and remove any battery isolation tabs on new Logitech devices before using them.

4. Reinstall Logitech Driver Software

Another likely issue is corrupt Logitech wireless adapter drivers. Remove and reinstall associated driver files via the Device Manager to rule that out. Here’s how:

1. Right-click the Start button (or press Windows + X) and select Device Manager.
2. Double-click Human Interface Devices to expand the category.
3. Right-click Logitech HID-compliant Unifying device and choose Uninstall device.

1. Check the box next to Attempt to remove the driver for this device and select Uninstall.
2. Restart your computer. Windows should automatically reinstall the device drivers at startup. To be sure, re-open the Device Manager and choose Action > Scan for hardware changes.

5. Disconnect Other Wireless Peripherals

Other USB devices on your PC could interfere with the Logitech Unifying Receiver and stop it from working. Disconnect each peripheral, restart Windows, and check if the receiver begins to function normally again.

6. Install the Logitech Unifying Software

The Logitech Unifying Receiver is factory-paired with the wireless keyboard or mouse it comes with, allowing for instant plug-and-play.

If that fails, or if you want to add another Unifying-compatible mouse or keyboard to the dongle, you must manually pair it through the Logitech Unifying Software utility. The same applies when using a replacement receiver for a Unifying mouse or keyboard.

To use Logitech Unifying Software to pair Unifying-compatible mice and keyboards:

1. Download and install the Logitech Unifying Software from the official Logitech website.
2. Remove and reconnect the Logitech Unifying Receiver.
3. Open the Logitech Unifying Software interface.

1. Restart the Logitech mouse or keyboard you want to pair (toggle the Power switch Off and On) and wait until the Logitech Unifying Software detects the device.
2. Follow all on-screen instructions to finish pairing the Logitech device.

Note: A single Logitech Unifying Receiver can pair with up to six Logitech devices.

7. Install Additional Logitech Support Software

Logitech provides support software in the form of Logi Options+ that enhances the performance and connectivity of Logitech devices. It offers numerous customization options, driver updates, and more. If you didn’t already, install it and check if that makes a difference.

Optionally, download and run the Logitech Firmware Update Tool since it updates the firmware of Logitech products, including that of wireless receivers.

8. Install or Roll Back Windows Updates

Windows updates have a history of disrupting the functionality of USB devices. Resolving this may involve updating your Windows operating system to the most recent version or removing recent updates that could be causing the problem.

To update Microsoft Windows:

1. Right-click the Start button and select Settings.
2. Select Windows Update.
3. Select Check for updates, then Download and install if new updates are listed.

Next, go to Advanced options > View optional updates > Driver updates (or Optional updates in Windows 10) and install the latest driver updates for your PC, if available.

If there are no new updates, try removing the most recent non-security update. In Windows 11:

1. Right-click the Start button and select Settings.
2. Go to Windows Update > Update history > Uninstall updates.
3. Select the Uninstall button next to the update you want to remove.

If you use Windows 10, open the Control Panel, go to Windows Update > View Update History > Installed Updates, and select Uninstall next to the update you want to remove.

9. Perform an SFC or DISM Scan

Defective or absent USB driver files can impede Windows’ ability to detect wireless receivers. Use the System File Checker (SFC) and Deployment Image Servicing and Management (DISM) command-line tools to rectify operating system corruption and stability issues.

To run an SFC and DISM scan:

1. Right-click the Start button and select Windows PowerShell/Terminal (Admin).
2. Copy and paste the following command and press Enter to run the System File Checker:

sfc /scannow

1. Run the DISM tool after the SFC scan finishes with the command below:

DISM.exe /Online /Cleanup-Image /Restorehealth

10. Disable USB Power Management

Energy management settings in Windows can interfere with the performance of the USB receivers by cutting off the power supply to the USB ports. To stop that:

1. Right-click the Start button and open Device Manager.
2. Expand Universal Serial Bus controllers.
3. Right-click USB Root Hub and select Properties.
4. Switch to the Power Management tab.
5. Disable the box next to Allow the computer to turn off this device to save power.

1. Select OK.
2. Repeat for other instances of USB Root Hub under the Universal Serial Bus controllers category.

11. Uninstall Conflicting Items

Third-party USB software that adds support for non-Logitech USB input devices—e.g., MotioninJoy—can conflict with the Logitech Unifying Receiver. Check your list of installed applications and remove potentially conflicting items. Here’s how:

1. Right-click the Start menu and select Installed apps/Apps and Features.
2. Select the application you’d like to remove.
3. Select Uninstall.

Note: Invalid or leftover entries within the Windows Registry associated with these programs can continue interfering with Logitech’s USB receiver. A registry cleanup tool—e.g., Wise Registry Cleaner—helps remove these problematic entries.

Fix Logitech Unifying Receiver Issues on Your PC

Encountering issues with the Logitech Unifying Receiver on Windows 10 or 11 can be frustrating. However, implementing troubleshooting steps, such as changing USB ports, updating Windows, and reinstalling USB drivers, should likely help resolve the issue.

If none of the above fixes work, the problem might be with the hardware. If your Logitech Unifying Receiver is still under warranty, return it for a replacement. Meanwhile, if your Logitech input devices are Bluetooth-compatible (as indicated by the Bluetooth logo), use this connectivity method as a temporary solution.

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