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Windows 7: missing drivers


03 May 2014   #1

windows 7 ultimate 64 bit
 
 
missing drivers

I own a toshiba satellite c8550d -s5900. I downgraded win8 to Windows 7 ult. and I cant find these 2 drivers; sm bus controller, usb2.0-crw. My device manager tells me the manufacture is "unknown". I tried Toshiba, Realtek, and Microsoft. I've considered using one of those websites that find all your drivers for you. I really don't want to pay any more than I allready have. I'm not sure if they could find the right ones! Please help!

My System SpecsSystem Spec
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03 May 2014   #2

windows 7 ultimate x64
 
 

you need to update the motherboard drivers, the smb and usb drivers are part of that.
My System SpecsSystem Spec
04 May 2014   #3

32Bit
 
 

post your hardware id for device manager to google 95% chance for getting right drivers
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04 May 2014   #4

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

This program (FREE) should help you...
https://www.slimwareutilities.com/slimdrivers.php
My System SpecsSystem Spec
04 May 2014   #5
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Never, ever PAY for a driver. Use caution with Slim Drivers it has shown me drivers for non-existent hardware.

They may not have drivers for Windows 7 since it was sold with Win 8.
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04 May 2014   #6

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Britton - if you're not adding to the solution, please don't add to the problem.
I use Slim Drivers on my Windows 7 PCs and have recommended it to other who have had not problem with it.
Just because you did not read the fine print is no reason to keep putting the program down.
If the OP reads the fine print, it will help.
My System SpecsSystem Spec
04 May 2014   #7
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

I am adding to it, we can post in any thread here. I have had poor experience with Slim drivers as have others.
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04 May 2014   #8

Microsoft Community Contributor Award Recipient

Windows 7 Pro 64 SP1
 
 

Personally, I think these methods should be exhausted before suggesting a program,

Hardware Identification

Device Manager - Finding Unknown Devices
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04 May 2014   #9

Microsoft Community Contributor Award Recipient

Windows 7 Ult. x64 Windows 8.1 x64 Ubuntu 12.04 LTS Tri-Boot
 
 

I agree with Derek - it should be an absolute last resort. These sorts of driver finders are notorious for the problems they cause and we always baulk at using them...what makes Slimware any different?

I know of one member here who used it and then spent several hours trying to remove Slimware from their system.

We really should not be recommending this as a first approach.
My System SpecsSystem Spec
04 May 2014   #10

Microsoft Community Contributor Award Recipient

Windows 8.1 Pro with Media Center
 
 

Quote   Quote: Originally Posted by Gandalf View Post
This program (FREE) should help you...
https://www.slimwareutilities.com/slimdrivers.php
Quote   Quote: Originally Posted by Britton30 View Post
Never, ever PAY for a driver. Use caution with Slim Drivers it has shown me drivers for non-existent hardware.

They may not have drivers for Windows 7 since it was sold with Win 8.
Quote   Quote: Originally Posted by Gandalf View Post
Britton - if you're not adding to the solution, please don't add to the problem.
I use Slim Drivers on my Windows 7 PCs and have recommended it to other who have had not problem with it.
Just because you did not read the fine print is no reason to keep putting the program down.
If the OP reads the fine print, it will help.
Gandalf, your response to Britton's post makes me wonder why did you suggest a third party tool when the post #2 already had the perfect, correct and valid answer? Double standards? Do you really mean you are allowed to present alternative solutions but nobody is allowed to comment?

Personally I hate these "free" tools, what I've heard about Slimdrivers and especially the company / site behind it makes me wish the OP would instead follow the sound and valid advice in post #2 by Cyanna and download the chipset / motherboard driver from the manufacturer's site. That solves the issue, both SMB Bus and USB drivers are included in chipset driver.

No need to install a third party tool for this simple task, especially when the tool suggested is known to be quite hard to get rid of.

Toshiba Drivers Download page: http://support.toshiba.com/drivers

Very sincere,

Kari
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