Sierra Wireless MC8755 Device Driver Download

Sierra Wireless Drivers

The MC8755 is a network device manufactured by Sierra Wireless. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. This update - "" - has an average rating of 1 out of 5 stars based on 9 reviews, and has been downloaded 474 times. It is compatible with PCs running Windows XP, among other operating systems. The total disk space used for this update is 5.7 MB.

9 Ratings

Supported Models


Sierra Wireless AT Command Port (UMTS)

Sierra Wireless CNS Port (UMTS)

Sierra Wireless DM Port (UMTS)

Sierra Wireless Data Port (UMTS)

Sierra Wireless HSDPA Network Adapter

Sierra Wireless MC8755 Device

Sierra Wireless MC8765 Device


Sierra Wireless

Supported Operating Systems

Windows XP, Windows 2000

File Name


20061.5.1.5 (2006-04-03) via .inf (2006-04-03) via .inf

Additional Notes

Sierra Wireless Inomtek HSDPA, UMTS 3G, GPRS Modem Drivers with installation software

Uploaded By

Eric (DG Member) on 16-Dec-2007

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
3G_Watcher/3G_Watcher.msi 6.1 MB 13 May 2006
Drivers/Win2K/ 9.1 KB 10 Apr 2006
Drivers/Win2K/swnc8u00.inf 4.4 KB 3 Apr 2006
Drivers/Win2K/swnc8u00.sys 81.4 KB 3 Apr 2006
Drivers/Win2K/ 9.5 KB 10 Apr 2006
Drivers/Win2K/swumx00.sys 61.3 KB 3 Apr 2006
Drivers/Win2K/swuser00.inf 3.1 KB 3 Apr 2006
Drivers/Win2K/swuusb00.inf 1.6 KB 3 Apr 2006
Drivers/WinXP/ 9.1 KB 10 Apr 2006
Drivers/WinXP/swnc8u00.inf 4.4 KB 3 Apr 2006
Drivers/WinXP/swnc8u00.sys 81.4 KB 3 Apr 2006
Drivers/WinXP/ 9.5 KB 10 Apr 2006
Drivers/WinXP/swumx00.sys 61.3 KB 3 Apr 2006
Drivers/WinXP/swuser00.inf 3.1 KB 3 Apr 2006
Drivers/WinXP/swuusb00.inf 1.6 KB 3 Apr 2006

How to Update Sierra Wireless MC8755 Device Device Drivers Quickly & Easily

Step 1 - Download Your Driver

To get the Sierra Wireless MC8755 Device driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Sierra Wireless MC8755 Device into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Sierra Wireless Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the Sierra Wireless website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.

How to Open Device Manager

  • In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

  • In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager

  • In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager

  • In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager

  • In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button

How to Install a driver from Device Manager

  1. Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.

  2. Select the Driver tab.

  3. Click the Update Driver button and follow the instructions.

In most cases, you will need to reboot your computer in order for the driver update to take effect.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

This website is not affiliated with Sierra Wireless. All company names/logos are properties of their owners.
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