It may be some security software on the HP computer causing the connection issue however that is just a guess.

Do you intend on using it in AP mode (direct connection) or can you use it in client mode (it connects to your home wifi)?

Personally I would do the following;

1. Connect with the Mac Air (as we know this works)
2. Open your web browser and go to 192.168.1.1
3. It should present you with the configuration pages

   

4. Click on WiFi Client Mode on the left
5. You should get the configuration page for Client mode

   

6. Fill in the SSID (Your home wifi name) and security key (password) - Note, these are case sensitive.
7. Click connect
8. The EZ-B should reset and then announce that it is connected to the network
9. On the HP computer load up ARC
10. In the connection box in the top left of the screen click on the scan button

    

11. On the dialogue which pops up click start scan

    

12. It should now scan your network for EZ-B V4s. They will be listed when found.
13. Once it finds it, click on the IP under Found IPs then select, this will change the connection box for you
14. Back up in the connection box in the top left click on connect
15. The EZ-B should chime to indicate connection is established and ARC should report that it is connected.

@Rich... This is a really good tutorial.... It would be great if you could somehow host it or make it a permanent link... You might have to slightly modify it for the average user (because of the Mac reference)... Nevertheless it's a very easy to follow and understand how to....

Like this?

Haven't read that one for a while and my memory is fuzzy but it should go over how to change to client mode.

Ha, ha.... yep

@Rich Thanks! one other quick question (sorry I'm kind of new to this) how long does it take to charge the battery as i have left it plugged in for three hours with the robot off and it still says it has low battery

If using the EZ-Robot balance charger and power supply it should take around an hour an 15 minutes to charge. There was a report of another battery saying it's still charging.

I had a similar issue however turning the robot on while it was charging made the green light go out (I haven't needed to charge it again yet).

If you disconnect the charger and turn on the robot it should warn when the battery is low.

If you have a multimeter you can test the voltage between the outside 2 pins of the balance plug (the part that connects to the charger), it should be a little above 8v if fully charged.

Thanks. if the battery doesn't work would you say that it is the battery balancer that doesn't work and i will need to get a new one. also just to check that the robot is plugged into the 2 cell plug. i just can't see why it wont work. ill leave it for an hour and 15 and see what happens.

My Six had some charge in it when it turned up. Have you built the JD yet? Does the EZ-B V4 make any noise if you turn it on?