HP Graphing Calculator USB Device Driver

This is the same driver for HP 39g+, HP 39gs, HP 48gII, HP49g, HP49g+ and HP 50g Calculators.

Manufacturer: HP Company
Location: HPx9G+ Device
Driver Provider: KinpoSH
Driver Date: 2003.07.12
Driver Version: 1.0.4.0
Driver Details: %windows%\system32\drivers\hpx9g+.sys

Here is the quick procedure of how you can obtain and install the USB drivers. This procedure is applicable for HP 40gs, HP 48gII and HP 50g Calculators.

Note: This procedure is also similar if you have the Vista Operating System.

I) Downloading and extracting the file

Download (File Size: 24KB)

After you have downloaded the software and double click on the 1115480.zip you should see the screen like the above. Follow step 1 to 3 and one step 3, type in C:\ and click the next button. This will extract the files inside zip file and put them in c:\UsbDriver folder on your computer hard disk.

II) Installing the Calculator USB driver

Plug in the cable between the calculator and the computer. You should be able to hear a USB detection and if the driver has not be previously installed, the "Found New Hardware Wizard" will appear.

On step 5., remember to change the location of the file to C:\UsbDriver so that the installation wizard knows where to look for it. If you are prompted "Hardware Installation... HPx9g+ DEVICE...", do click on the "Continue Anyway" button.

III) Check that the USB driver has been properly installed

• Right click on My Computer icon on the desktop.
• Select Properties
• Select Hardware Tab
• Click on Device Manager, and scroll down to "Universal Serial Bus controller".
• Click on the [+] icon to expand this key.
  
• Look for HPx9G+ Device.

Below is the newer USB Driver for HP49G+. If your driver version is smaller than 1.2.0.0 then you may want to download and update it.

To check your driver version...

• Right click on My Computer icon on the desktop.
• Select Properties
• Select Hardware Tab
• Click on Device Manager, and scroll down to "Universal Serial Bus controller".
• Click on the [+] icon to expand this key.
• Look for HPx9G+ Device (if you can see this, re-connect up your calculator and turn it on).
• Right click on it.
  
• Select properties and verify the version.
  
  Location: HPx9G+ Device
  Driver Provider: KinpoSH
  Driver Date: 2004.01.03
  Driver Version: 1.2.0.0
  Driver Details: %windows%\system32\drivers\hpx9g2k.sys
  

To update this driver:

• Download (File Size: 18KB) and unzip contents into as a folder.
• Right click on the HPx9G+ Device node and select the "Update Driver..." option.
• Point the unzipped folder.