-
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
-
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
- HP Community
- Desktops
- Desktop Hardware and Upgrade Questions
- Toshiba External Hard Drive Not Working

Create an account on the HP Community to personalize your profile and ask a question
Your account also allows you to connect with HP support faster, access a personal dashboard to manage all of your devices in one place, view warranty information, case status and more.
It has been a while since anyone has replied. Simply ask a new question if you would like to start the discussion again.
11-20-2018 06:59 AM
Product: 500-220ex
Operating System: Microsoft Windows 8.1 (64-bit)
Toshiba External Hard Drive is not working at my PC . The external drive only flashes for a few moments and then die away. I used it at another windows 8.1 and windows 10 PCs but it work perfectly in the other devices
1 REPLY 1
11-20-2018 07:18 AM
I tried solving the problem by going to devices and printers. sm bus controller doesn't have a driver "showing a yellow sign"
and I couldn't find the drivers for the SM Bus Controller. So where could I find these Drivers?
Be alert for scammers posting fake support phone numbers and/or email addresses on the community.
If you think you have received a fake HP Support message, please report it to us by clicking on "Flag Post".
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the Terms of Use and Rules of Participation.
Didn't find what you were looking for?
Ask the community
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.