ChazE
For starters how about you tell us what computer, mass storage device, etc
What trouble shooting have you done so far?
Did they ever work?
Have you reinstalled the drivers for the Mass & track pad?

Problem with missing drivers in windows 10 - posted in Windows 10 Support: Hi,When I installed a full clean install of windows 10 it installed alot of generic windows drivers so I tried to install. When mass storage controller device shown with a yellow mark in your Device Manager, it cannot be recognized by your PC. In such case, you may also get the message: Windows can’t find the driver software for it.

Cat herder
Windows Insider MVP
MVP-Windows and Devices for IT
http://www.zigzag3143.com/

Did this solve your problem?

Dell

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Next

Thanks for your feedback.

I am currently having the same problem on my Toshiba Satellite A135-S4417. I can not find the correct driver for my mass storage controller. I have down loaded I think every driver or chip set or even updates available, none of which work. PLEASE HELP.....

Did this solve your problem?

Storage

Sorry this didn't help.

Great! Thanks for marking this as the answer.

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Thanks for your feedback.

What is the make and model of Mass Storage Device?

Ensure that you have installed available Windows updates, including Optional updates. I would also suggest you to install latest chipset drivers by downloading from the computer manufacturer’s website.

Download and install drivers: http://windows.microsoft.com/en-us/windows-8/all-drivers

Windows Update: Frequently Asked Questions: http://windows.microsoft.com/en-us/windows-8/windows-update-faq

You can try to install the Device using compatibility mode. Refer to these links:

Latitude E5520 Mass Storage Driver

Making older programs compatible with this version of Windows

What is program compatibility?

Hope this helps you.

Did this solve your problem?

Sorry this didn't help.

Great! Thanks for marking this as the answer.

Dell E5520 Mass Storage Driver

How satisfied are you with this reply?

Thanks for your feedback, it helps us improve the site.

How satisfied are you with this response?

Pci Mass Storage Controller Driver

Thanks for your feedback.