Hi Guys, There are fuses on most mainboard USB ports !! You can check by measuring the voltage across the two outermost pins. It should be +5 volts. A simple tester is very easy to make and more reliable than just a multimeter. Definitely cheaper than a USB key !
On Tuesday 28 February 2006 17:34, Wayne Johnson wrote: > At 07:14 AM 2/28/2006, Chuck Andrews typed: > >If a thumb drive does not work, the USB ports are inoperative. > > Not necessarily. > > > This is why I consider this the easiest test. > > I've also seen where the guy down the street put the power lead on > the wrong connector & it blew out a thumb drive but not where one > could see any damage but the drive was no longer usable in any USB > port on any machine. So if I were to plug in the blown thumb drive > into a USB port I surely couldn't rely on that as being a valid test > of the USB port now could I ? > > If one is to use a thumb drive as a diagnostic tool make sure it's a > small cheap one. > > > ----------+---------- > Wayne D. Johnson > Ashland, OH, USA 44805 > <http://www.wavijo.com> -- Best Regards: Derrick. Pontefract Linux Users Group. plug at play-net.co.uk -- ---------------------------------------- To Change your email Address for this list, send the following message: CHANGE WIN-HOME your_old_address your_new_address to: [EMAIL PROTECTED] Note carefully that both old and new addresses are required.
