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HP photosmart c4780 lost connectivity to laptop after update

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  • Last reply by Vivek

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I have lost connection to HP c4780 printer. It seems to have happened after updating firefox. Connecting laptop directly by usb to printer works.

I have lost connection to HP c4780 printer. It seems to have happened after updating firefox. Connecting laptop directly by usb to printer works.

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Hi,

If the installed Firefox is from a legitimate source and if the OS is secure, you can be fairly confident that Firefox wouldn't and cannot change OS network settings and hardware settings. Please also see this regarding a similar issue.