Question about HP Pavilion a1253w Notebook

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No sound. System won't find driver. Also, an "unknown" device & a SM ??? will not load\work for the same reason. All this occured right after loading IMESH. Thanks

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  • jeff sandy Feb 12, 2009


    Did you ever get this resolved? I'm having the same problem...



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The simples answer may be  to go back to the restore function for the date right before you installed IMESH, what ever that is. 

Posted on Nov 26, 2008

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How do I load into this system users manual for system operation questions?

1st You download Webcam Driver.
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Go to the control panel
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Dec 25, 2012 | Gateway NE56R10u Laptop Intel Celeron...

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I cant hear any sound on my packard bell easynote laptop


You just need to download the appropriate audio driver for your laptop. Go to the Device Manager and install all missing drivers for "Unknown Devices". Either connect to the internet or use the driver disc which came with the laptop of the computer.

For those who doesn't know how to access Device Manager, please follow the steps below.

For Windows XP:
Start -> Run -> Type devmgmt.msc (in the box) -> Right click Unknown device -> Properties -> Driver tab -> Update driver

For Windows Vista and Windows 7
Start -> Type devmgmt.msc (in the start search box) -> Right click Unknown device -> Properties -> Driver tab -> Update driver

Hope this helps.

Jun 26, 2011 | PC Laptops

1 Answer

I formatted and reinstalled win xp home now i'm trying to reinstall the drivers Audio, Ethernet, Mass Storage, Modem, Network, SM Bus, Video Controlled , my recovery disk is not working can't find them or...

Easy fix. Just go to toshiba then to support. go`through the selection to get you your model support and downloads. Filter by operatings sytem ie XP and start downloading (everything ;-])

The first one you want to run is the INF or system board drivers. These let XP indentiy what the hardware is. So instead of unknown device or unkown ethernet deice it will come up with the correct description. You usually have to reboot. Then just start loading the other drivers.

The easiest way to do this is to download the drivers to a usb flash drive. Then just stick that in the laptop and use my computer to start each one. You need to do the inf first, then maybe network. sometimes there are multiple drivers so its handy to just download and try one of the others instead of having to copy them over.

When you get everything running save the drivers to a cd for the next time.

Sep 07, 2010 | Toshiba Satellite A100-S8111TD Notebook

2 Answers

Driver missing

We had the same exact problem but with a Compaq Pesario V6000 series notebook. Ours had to do with the NVidia System Management Controller but was listed in the device manager as a coprocessor. Kind of a bland description.
Solution: Downloaded and installed NVidia System Management Controller from here. Hope this helps.

Jan 10, 2010 | HP Pavilion dv6000t Notebook

1 Answer

No drivers for sm bus controller & 2 unknown devices listed

this is the link for your drivers. it is very important that you download the chipset driver utility and run it. the chipset driver utility should resolve your sm bus controller not showing up. make sure you restart the machine when it asks. this will insure that the o.s. and machine reset correctly and load the new drivers. if you have more issues drop me a line and we can get it fixed.

Good Luck!

Jul 23, 2009 | Acer Aspire 5500 5570-2609 Laptop

1 Answer

Pci card drivers

you would need to get all the drivers for your laptop from the IBM website and install all of them. If you cant find them or need further help please post back and let me know.

Apr 10, 2009 | IBM ThinkPad T60 Notebook

1 Answer

Audio driver not load on 5920 after loading XP sp2

Remove the device first from control panel,
select your sound device,remove,
Reboot and restart,
Now install the device drivers via device manager,
select the yellow question marked device,
right click and update
put in disk when wizard prompts you
let wizard find correct drivers and it should be all good
reboot and do SP2 updates for windows,
This will give the devices the correct instructions and work.

Hope this works out for you,
Let me know when you can how it goes , thanks

Jul 21, 2008 | Acer Aspire 5600 Series 5630-6951 Laptop

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C707TU model laptop Drivers

Go to HP's support site and download their auto detect program. I can't remember exactly what they call it. Then the site will detect your machine and give a list of drivers for it. Sometimes the bus and an unknown driver are in a utilities driver set. Just go down the list, you may have to download several before finding the right one, especially for the unknown since there is no way of knowing what type of device it is.

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