The 3C590-COMBO is a network device manufactured by 3Com. 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 version of "420i59xc.exe" is rated (5 out of 5 stars) based on 332 downloads and 9 reviews. The total disk space used for this update is 19.5 KB.
3C590-COMBO
3C590-TPO
Version 3.3
3Com® EtherLink® III Parallel Tasking PCI Bus Master Network Interface Card
3C59x Fast Etherlink HSM3.3 driver
Bhaskar (DG Staff Member) on 1-Jun-2004
To get the 3C590-COMBO 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 3Com 3C590-COMBO 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 3Com 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 3Com website. Most major device manufacturers update their drivers regularly.
Open a tool called Device Manager.
Use Device Manager to put the new driver on your computer.
Turn your computer off.
Turn your computer back on.
Now your new driver is ready!
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.