The ze5500 is a modem manufactured by HP. If you cannot connect to the network, or have slow transfer speeds or intermittent disconnection problems, you may need to update your modem driver or firmware. Visitors have downloaded this file "sp23455.exe" 900 times with an aggregate rating of 4 out of 5 stars based on 9 reviews. Our users report success installing this driver update on PCs running Windows XP. The total disk space used for this update is 605.5 KB.
ze5500
Windows XP
sp23455.exe (605.5 KB)
Works for integrated modem on HP laptops. Setup appears to be for Audio device, but is for the modem.
Hometown Computers (DG Member) on 8-Mar-2006
See all HP ze5500 ratings and reviews
To get the ze5500 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 HP ze5500 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 HP 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 HP website. Most major device manufacturers update their drivers regularly.
To install your new driver on Windows:
Right-click the Start button.
Click "Device Manager"
Find your device in the list.
Right-click the device and select "Update driver"
Follow the steps on screen.
Restart your computer when done.
This keeps your computer working at its best.
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.