Drivers are the software that sits between the OS, Windows, *nix etc., and the hardware, translating communications both ways. Some are built into, included with Windows. They're why you usually can't take your existing Windows installation with you to another PC. And that's a glimpse of their dark side -- regular software may make your PC misbehave, but drivers can kill Windows.
Drivers can start with Windows, before you get to the sign-on screen, not giving you much if any chance to do anything about them. Safe Mode may or may not help -- it lets you start Windows using a minimum of drivers, & if the driver you want to get rid of is one of those not started, you might be able to get rid of it. When a driver's added Windows notes the existing setup, & appearing along with Safe Mode in the special boot menu [usually you get it pressing F8], gives you the option to use Windows' last known good configuration -- that can sometimes help.
Drivers can also be installed for services in Windows. They don't talk to hardware like normal drivers, but take advantage of the way drivers start early with Windows, and can have lower level access to Windows than the software would otherwise. A common example is the type of service used by many anti-virus or security apps, with settings that can only be accessed in Safe Mode when they're not started, e.g. installing a GOTD in Safe Mode with Kaspersky software.
If/when a driver works the way it's supposed to, there is no need to fool with it once Windows is installed & running. There's also the fact that many companies come up with one set of drivers, update those once or twice to fix bugs when that hardware's current, & then move on to focusing on the next model.
Realtek makes a lot of the chips & chipsets used for on-board audio & networking, & they are always updating their drivers because those chips & chipsets are used on new hardware as well as old. AMD/ATI & Nvidia update their drivers because graphics cards are immensely complicated, so they're never done fixing bugs &/or getting features to work the way they were supposed to when the cards were originally released. There are other exceptions, but for the most part they're rare.
The actual hardware manufacturers, companies like Realtek, AMD, Nvidia, Intel etc., develop what are called reference drivers -- they work across all brands that use their stuff, e.g. Realtek's reference drivers should work with motherboards from any company using their chipsets, & with any brand PC/laptop using those motherboards with their chipsets. Brands may or may not update reference drivers, may or may not evaluate their performance on their products, may or may not offer them under that brand's name.
Generally if you use the drivers supplied by your brand of PC, laptop, or motherboard [if you build your own PCs], that's the safest route, though you'll rarely have the latest & greatest that way. Most often that doesn't matter -- the greatest isn't usually all that great -- but sometimes it can fix a bug or three or offer a bit better performance. Sometimes a brand will improve a reference driver, & sometimes that improved driver will work across several brands. If you buy the cheapest components, e.g. a USB Wi-Fi adapter, sometimes the only way you'll find working drivers is to use what's available for a branded product using the same innards more or less.
Very often the best way to locate drivers is to find out what chips or chipsets are used, reading the numbers off the chips when possible, & Google. You can try going by what you'll find in Windows Device Mgr., because when everything works the way it's supposed to you'll read what the device itself told Windows, but the device might have lied or Windows may have erred. It's entirely possible to have the wrong driver for the wrong hardware installed, & Device Mgr will show you the name of whatever hardware goes along with that wrong driver.
You can install drivers through Device Mgr, following the Properties -> update driver dialog for whatever device, then pointing it to the driver files you downloaded. Having Device Mgr. search for a driver update for whatever device is a crap shoot. Microsoft is not that well trusted that brands will hand over all their driver code -- instead they'll give Microsoft the bare minimum to get their hardware working when you install Windows. If you have Device Mgr. search for & install an updated driver it may work, it might break the device, it might break Windows.
That all said, I'm not aware of any one sure fire way to get rid of a driver you don't want or need -- that's why I'll go out of my way to avoid installing a driver that doesn't go with the hardware in use, & I won't install a driver without 1st performing a partition image backup. Note that most software that adds a driver will not remove that driver during uninstall. The only place you'll usually find the option to remove a driver is Device Mgr. That only shows hardware -- not purely software drivers for services -- & there's a great chance Windows will just reinstall whatever driver next time you boot to Windows.
There are special software tools to remove graphics card or chipset drivers, & they can be necessary to get a new version working properly. Research because they can have side effects, e.g. plenty of people have posted their woes after using AMD's utility. And realize that even the best have their limitations when the drivers use .NET. Device Mgr. will let you roll-back drivers for whatever device, but remember that you have to get into Windows to use it, & if a driver update breaks Windows you can't.
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RE: Driver Booster Pro...
Now on the basis of all that do you want to trust a program that allegedly finds & updates the drivers for your laptop or PC? I never have, I likely never will, but that's me. For one thing driver software is (C) intellectual property that most companies are not going to let out of their hands, so if I'm not downloading the software direct from the company that wrote it I can't help but doubt the source & its safety. I have & will use software from a driver site when I'm looking for something cross-branded, but I'll vet everything as much as possible.
2nd, driver updates are often bug fixes &/or for compatibility with newer hardware, but when that's the case, if you're not suffering from buggy drivers you won't gain anything. Always try to find out what a driver updates does, why it was written in the first place, & optionally it's cool to Google looking for problems associated with that new driver version -- introducing bugs does happen. Software that updates your drivers usually won't do that research for you.
3rd, I ask Why you want to update your drivers to begin with? If you're having problems with a device or function Google 1st to see if there's an answer -- either it's a common problem, which it would be if it's a fault in the component or driver, or it's uncommon, which means something's likely broke on your PC/laptop, & a driver would most probably be useless. If you're after more performance, graphics drivers are the ones you'd be most interested in, but they're also the drivers most prone to updates suffering from regressions. They're also the most troublesome to undo [short of restoring a backup]. Hit up a fan site like Guru3d before you update them & take advantage of what others who have installed the update have to say.
If you want the safest, easiest way out, leave things alone. If you want to trust something like Driver Booster Pro that's up to you, but do yourself a favor & backup 1st.