As refer to the title shown above, my maxtor basics portable storage 120HB hardisk recognized as unknown device every time when i plugged into the USB port 2.0<br/> <br/> The hardisk is just return to me from the factory after being repaired. And initially i also couldn't use the hardisk, after many times of plugged in plugged out, the hardisk was finally works, but after that once i restart my computer, i couldn't use again.<br/> <br/> I have updated all my drivers to the latest one, using Home Premiun 32 bit with SP2, but still cannot use it.<br/> Also, I have just reformatted my PC, so everything in this PC is still new.<br/> <br/> It was like you need to bang your luck to use the hardisk as sometimes it can use ,sometimes it can't.<br/>© 2009 Microsoft Corporation. All rights reserved.Wed, 22 Jul 2009 20:56:13 Zef00d27e-c531-47b4-a53f-60909ee9cac5http://social.answers.microsoft.com/Forums/en-US/vistahardware/thread/ef00d27e-c531-47b4-a53f-60909ee9cac5#ef00d27e-c531-47b4-a53f-60909ee9cac5http://social.answers.microsoft.com/Forums/en-US/vistahardware/thread/ef00d27e-c531-47b4-a53f-60909ee9cac5#ef00d27e-c531-47b4-a53f-60909ee9cac5Melissa Alexander Campbellhttp://social.answers.microsoft.com/Profile/en-US/?user=Melissa%20Alexander%20CampbellAs refer to the title shown above, my maxtor basics portable storage 120HB hardisk recognized as unknown device every time when i plugged into the USB port 2.0<br/> <br/> The hardisk is just return to me from the factory after being repaired. And initially i also couldn't use the hardisk, after many times of plugged in plugged out, the hardisk was finally works, but after that once i restart my computer, i couldn't use again.<br/> <br/> I have updated all my drivers to the latest one, using Home Premiun 32 bit with SP2, but still cannot use it.<br/> Also, I have just reformatted my PC, so everything in this PC is still new.<br/> <br/> It was like you need to bang your luck to use the hardisk as sometimes it can use ,sometimes it can't.<br/>Sat, 04 Jul 2009 21:45:20 Z2009-07-04T21:45:20Zhttp://social.answers.microsoft.com/Forums/en-US/vistahardware/thread/ef00d27e-c531-47b4-a53f-60909ee9cac5#4022f509-cdfa-4c15-a339-32cc23252430http://social.answers.microsoft.com/Forums/en-US/vistahardware/thread/ef00d27e-c531-47b4-a53f-60909ee9cac5#4022f509-cdfa-4c15-a339-32cc23252430James- Support Engineerhttp://social.answers.microsoft.com/Profile/en-US/?user=James-%20Support%20EngineerHello Melissa Alexander Campbell,<br/><br/> Thank you for using Microsoft Windows Vista Forums.<br/><br/> Sorry you are having an issue with this!  Have you tried to connect to a different USB port with any luck?  Are you on a laptop or desktop?<br/><br/> I have found an article that I hope will assist you with this issue.  Please let us know status.  Thanks!<br/><br/><strong>Windows Vista does not recognize an external USB optical disc drive when you reconnect the USB optical disc drive to the computer:<br/><a href="http://support.microsoft.com/kb/944292">http://support.microsoft.com/kb/944292</a><br/></strong><hr class="sig">James Microsoft Answers Support Engineer Visit our <a href="http://social.answers.microsoft.com/Forums/en-US/answersfeedback/threads/">Microsoft Answers Feedback Forum</a> and let us know what you think.Sun, 05 Jul 2009 10:58:09 Z2009-07-05T10:58:09Zhttp://social.answers.microsoft.com/Forums/en-US/vistahardware/thread/ef00d27e-c531-47b4-a53f-60909ee9cac5#c473b7e2-f514-4c5a-a5c1-6fb0caaa14bbhttp://social.answers.microsoft.com/Forums/en-US/vistahardware/thread/ef00d27e-c531-47b4-a53f-60909ee9cac5#c473b7e2-f514-4c5a-a5c1-6fb0caaa14bbMelissa Alexander Campbellhttp://social.answers.microsoft.com/Profile/en-US/?user=Melissa%20Alexander%20CampbellI did tried any ports available on my PC, but then still cannot. <br/> <br/> By the way I am using desktop, Dell Vostro 200<br/> <br/> The article you have provided to me doesn't work either.<br/>Sun, 05 Jul 2009 14:09:41 Z2009-07-05T14:09:41Zhttp://social.answers.microsoft.com/Forums/en-US/vistahardware/thread/ef00d27e-c531-47b4-a53f-60909ee9cac5#43a96f6f-5a8f-4492-8c79-355a2d212e40http://social.answers.microsoft.com/Forums/en-US/vistahardware/thread/ef00d27e-c531-47b4-a53f-60909ee9cac5#43a96f6f-5a8f-4492-8c79-355a2d212e40Gloria - Support Engineerhttp://social.answers.microsoft.com/Profile/en-US/?user=Gloria%20-%20Support%20EngineerMelissa Alexander Campbell,<br/>Thank you for returning and updating us the status of your issue.<br/><br/>Try this USB fix and see if it helps:<br/>Cumulative update rollup for USB core components in Windows Vista<br/><a href="http://support.microsoft.com/kb/941600#appliesto">http://support.microsoft.com/kb/941600#appliesto</a><br/><br/>If that does not work, check the Maxtor web site to see if they have a newer driver for Vista than the one you are using.<br/><br/>Let us know how this works out for you.<br/>Thank you,<br/><hr class="sig">Gloria <br/> Microsoft Answers Support Engineer <br/> Visit our <a href="http://social.answers.microsoft.com/Forums/en-US/answersfeedback/threads/">Microsoft Answers Feedback Forum</a> and let us know what you think. Tue, 07 Jul 2009 18:22:18 Z2009-07-07T18:22:18Z