How re-install Windows 7 on Dell Laptop

I have  Dell Latitude D810 laptop computer.  Originally, When I bought it, it came, as I remember it, with Windows XP.  Later (in 2009)  I updated it to Windows 7.  It has been running so slow lately that I did a re-install of Windows 7 today.  The C drive was wiped clean and reformatted before the install.  I used an ISO file for the install that contains SP1.  The installation seems to have gone fine, but the computer seems to be unaware of any Dell audio.  I guess this makes sense because I didn't do anything to install Dell Drivers - I didn't know how.

So, I guess the question is, how do I make this installation of Windows 7 aware of my Dell drivers.  I still have the original CD's that came with the computer, and one of them is labeled "Drivers and Utilities Already installed on your computer for re installing Dell Latitude System Software."  However, I don't know how to make use of this disk or if the drivers on them are XP related only.

Any help appreciated.
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noxchoGlobal Support CoordinatorCommented:
Try with this tool:

According to this page the drivers are for XP only:

But you can find out which sound card is used and get the driver for it.

Here is another useful link with drivers:
EirmanChief Operations ManagerCommented:
Your best bet would be to note the SERVICE TAG of the laptop.
It should be on a sticker on the laptop. Then go here ...
and download and install the audio driver ONLY. (There should one suitable for Win7)
While you're at the Dell site, you may as well download all the drivers and keep them for future use.

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WoodrowAAuthor Commented:

Just out of curiosity, what drivers do I really need that are specific to Dell?  If it is only or mainly audio, that seems simple fix, but are there others that are important?  

Thank you for your help.  I am investigating your referenced links.
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Gary CaseRetiredCommented:
Windows 7 should "know" about most of your hardware -- possibly everything except the audio.

Go to Device Manager [Right-click on Computer; select Properties; click on Device Manager]  and see what devices aren't resolved (it will be obvious).

If the only device that's marked is the audio adapter (possibly shown as "Unknown"), then you can install the driver for the Sigmatel STAC975X that's used in the D810 ...

If that doesn't do the trick, then right-click on the unknown device in Device Manager; select Properties; select the Details tab; select Hardware IDs in the Property dropdown; and then note the VEN and DEV strings.    These identify the specific manufacturer and device #, and can be used to find the precise drivers you need at the PCI Database:  [Post back with the VEN and DEV strings if you need help]
EirmanChief Operations ManagerCommented:
Just out of curiosity, what drivers do I really need that are specific to Dell?  If it is only or mainly audio, that seems simple fix, but are there others that are important?
WIndows 7 would drivers will be fine for most of the hardware in your laptop (given that your laptop is from the XP era). Much of the hardware would not be specific to Dell (i.e. found in many laptop brands).

Windows7 contains drivers for specific pieces of hardware used many brands of laptops one of which is Dell.
WoodrowAAuthor Commented:
I am discovering that Windows 7 is fixing my driver problems one by one, though it is taking quite a bit of time.  That is, over and over again Win 7 downloads more fixes etc and asks me to reboot, after I do, some of my driver problems get resolved automatically. But I wonder?  

Do all these updates cause my machine to slow down?  I mean, If I were to download the latest release of windows 7 and re install (instead of using the Windows 7 SP1 ISO I have) would there be and advantage?

The whole reason I went through this re install was because my machine was acting very sluggish.  It makes me wonder if all these updates are contributing to the problem.
noxchoGlobal Support CoordinatorCommented:
Download process should slow down the Windows and it is normal. But after you finish installing all updates the Windows must not be slow.
Gary CaseRetiredCommented:
No, doing the updates doesn't slow the system down -- in fact, as the drivers all get updated it will likely make it MORE responsive.    Just keep running Windows Update cycles until there are no more updates -- THEN you can manually look for any drivers that weren't automatically installed by Windows Update.

=>  By the way, Windows 7 with SP1  IS  the latest release.
WoodrowAAuthor Commented:
Thank you all very much
Natty GregIn Theory (IT)Commented:
go on dell website and look up your model number under drivers and support, download the driver and extract it
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