HP 8440P Laptop - un2420 Mobile Broadband Issue - HP Connection Manager Issue

[RSeelyMI]

My company uses a fleet of over 150 HP 8440P series laptops with hardware customized to our needs. We operate in an ATT and Verizon service area. We use SIM chips when we need to work with the ATT service and activate our Verizon services through our business account.

For both providers I'm experiencing an issue that I am unable to resolve for find the cause for. The issue is that a user will be in a full service area of 4 or 5 bars and the HP Connection Manager will not display the "Connect" button. Instead it will only display the "Select Provider" button.

I can take the very same user experiencing this issue and go to another physical location and can not consistently duplicate the issue. Quite often going to a new location and opening the HP Connection Manager will show me the "Connect" button as it typically should.

The issue here becomes... why is this behavior happening on multiple laptops in multiple areas of my state on different cellular providers? I can only find one commonality between the two and that is the exact same make/model of laptop using the exact same version of HP Connection Manager (v3.1.1.72). Since I can not take a user experiencing this issue and duplicate it each and every time I'm inclined to believe the problem is somehow related to the Connection Manager. What or how that could be possible I do not know.

When a user who's had perfectly good service from the device for weeks or months on end suddenly calls me with this issue I have no current course of action short of turning the mobile broadband adapter off, rebooting the PC, then turning it back on and hoping for the best.

Has anyone else experienced this type of issue? Your suggestions and comments are welcomed.

[RSeelyMI]

Any suggestions from others with similar issues are welcomed.

I'm also curious if it is better to turn our Wireless hardware (using the touchpad above the keyboard) off when we're not using it since my only solution to this issue currently is cycling the hardware on and off. Or, do others who use the mobile broadband hardware in your laptops leave the wireless turned on a tall times?