> I'm puzzled because only two of supposedly 6 USB interfaces work on my
> new Dell Vostro 1720.
>

New, as in new from the factory and they've never worked?

> The four interfaces that don't work - at least not with my mouse - are
> noticeably stiffer to insert the USP plug into than the two that do
> work.
>

This sounds like an issue to take up with Dell, assuming that the
previous question is positive.

What OS did the laptop come with. Try the USB ports in the laptop's
factory OS, and if there are problems contact Dell.

--
Dotan Cohen

http://what-is-what.com
http://gibberish.co.il

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