If your computer is plugged into the router and cannot get online, disconnect it from your router and plug it directly into your Cable or DSL modem.Īs there are many drivers having the same name, we suggest you to try the Driver Tool, otherwise you can try one by on the list of available driver below. NOTE: Make sure your computer has an active Internet connection. If any, or all, are not replied to then this explains why you cannot print.This article provides instructions on how to download the latest driver of your Dell Laser Printer 1720dn PS3 driver adapter. Each ping packet sent from the Mac should be responded to. By entering the IP address of the Dell, you can then ping the printer to see if you get a response. On the Mac, you could open Network Utility and use the Ping facility. I've never used Windows in this manner, I've always had a router, so I cannot advise what to check on Windows - apart from restarting it to see if that helps. But with that wireless being provided by the Windows 7 computer, then I think this is your issue. So from what you are saying it appears that the Mac is connecting directly to the Dell via wireless. But from the Print & Scan pane, if you selected the Default icon after selecting to add and saw the Dell in this view, then you are not printing via a Windows share but printing directly to the Dell. Via Print & Scan, if you selected to add and then selected the Windows icon and browsed through the workgroup > computer > sharename, then this would be connecting to a Windows shared printer. As for the Windows sharing, this will depend on how you are adding the printer on the Mac.
With you using an ad-hoc network rather than infrastructure, the Windows desktop will be acting as the router.
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