The CO-3UP is a type of mouse manufactured by Packard Bell. Updating this driver fixes tracking problems, intermittent or no connectivity and can unlock some advanced features of your type of mouse. This version of "mouclass.sys" is rated (4 out of 5 stars) based on 3,606 downloads and 23 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 23.0 KB.
CO-3UP
Windows XP
packard bell wired optical mouse.
was looking everywhere for the driver and found it by simply attaching mouse and noting the name of the driver xp auto installed, as this would be the driver i had installed when i bought the mouse. i only wanted it for a friend anyway.
but noticed it had been requested often here.
andy davies (DG Member) on 18-Mar-2005
To get the CO-3UP 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 Packard Bell CO-3UP 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 Packard Bell 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 Packard Bell website. Most major device manufacturers update their drivers regularly.
After downloading the new driver, proceed with installation. On Windows, use the built-in Device Manager utility to manage your system's devices and drivers. To access it:
Right-click the Start button
Select "Device Manager" from the menu
Locate the device needing the update
Right-click the device and choose "Update driver"
Follow the on-screen prompts to install
Once complete, restart your computer to ensure the new driver is fully implemented and functioning properly.
This process helps maintain your system's performance and compatibility with various hardware components.
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.