What Is a Device Driver? How to Check, Update, and Fix Drivers in Windows

A device driver is software that lets Windows communicate with hardware such as a graphics card, Wi-Fi adapter, printer, touchpad, audio device, or storage controller. Windows includes many drivers and installs recommended updates automatically, so you usually need to intervene only when setting up specialized hardware, fixing a problem, or installing a vendor feature.

What a driver does

Applications normally do not control hardware directly. They request a function through Windows, and the relevant driver translates that request into commands the device understands. The driver also returns status and data to the operating system.

For example, a display driver manages resolutions, acceleration, and communication with the GPU; a printer driver converts a document into output the printer supports; and a network driver handles communication with the Ethernet or Wi-Fi adapter.

Term	Meaning
Driver	The software interface between Windows and a device
Firmware	Software stored in the hardware itself; its update process is usually different
Utility or control app	An optional program for settings, diagnostics, lighting, profiles, or updates
Device Manager	The Windows tool for viewing hardware status and driver details

Why driver problems happen

• A Windows or driver update is incompatible with a particular device or app.
• The wrong model, operating-system version, or architecture was selected.
• An installation was interrupted or its files became corrupt.
• Two vendor utilities or security products install conflicting filter drivers.
• The device, cable, port, power supply, or other hardware is failing.
• A very old device has no supported driver for the current Windows version.

Symptoms can include a device missing from Windows, no audio or network access, screen flicker, reduced graphics performance, sleep or resume failures, error codes in Device Manager, or repeated crashes. These symptoms do not prove that a driver is responsible; hardware faults and application bugs can look similar.

When should you update a driver?

Update when the manufacturer or Windows Update provides a fix you need, a security advisory applies, new hardware requires it, or a known compatibility or performance problem is addressed. Graphics drivers may also add support for new games and creative applications.

Do not update every driver simply because a third-party scanner claims that a higher version exists. A stable, working device may not benefit, and generic “driver updater” tools can misidentify hardware or install untrusted packages. Prefer Windows Update and the PC or hardware manufacturer's official support site.

Check a driver in Device Manager

1. Right-click Start and choose Device Manager.
2. Expand the relevant category, such as Display adapters, Network adapters, or Sound, video and game controllers.
3. Right-click the device and choose Properties.
4. Open the Driver tab to see the provider, date, version, and available actions.
5. Check the General tab for device status and an error code.

A yellow warning symbol indicates a problem, but a gray or hidden entry often represents hardware that is not currently connected. Enabling View > Show hidden devices does not mean every faded item should be removed.

Safest ways to update Windows drivers

1. Use Windows Update first

1. Open Settings > Windows Update.
2. Select Check for updates and install the recommended updates.
3. Open Advanced options > Optional updates.
4. If driver updates appear, install only those relevant to the device or problem you are addressing.
5. Restart the computer and test the same task again.

Microsoft explains automatic and optional driver delivery in its Windows driver update guide.

2. Use the computer manufacturer's support page

For a laptop, prebuilt desktop, or motherboard, search the official support site with the exact model or serial identifier. OEM packages may include model-specific power, hotkey, audio, touchpad, chipset, and firmware customizations that a generic component package lacks.

Confirm the Windows version and architecture before downloading. Avoid download mirrors and search advertisements that imitate a vendor page. If the update is firmware or BIOS rather than a normal driver, follow the manufacturer's power and recovery precautions exactly.

3. Use Device Manager for a known package

Device Manager can search for a driver or install a package you have already downloaded:

1. Right-click the device and select Update driver.
2. Choose Search automatically for drivers, or choose Browse my computer for drivers when you have an official extracted package.
3. Restart if requested and test the device.

Microsoft's Device Manager instructions cover update and reinstall options. Device Manager's online search may not find the newest vendor release, so check the official manufacturer when troubleshooting a known issue.

What to do if an update causes problems

Do not make several unrelated changes at once. Note when the problem began, the driver version, and whether Windows Update or a vendor tool installed it.

Roll back the driver

1. Open Device Manager and the device's Properties.
2. On the Driver tab, select Roll Back Driver.
3. Choose the reason, complete the prompt, restart, and retest.

If the button is unavailable, Windows has no previous package stored for that device. Download the last known-good version from the OEM instead of using an unrelated archive site.

Reinstall the device

1. Download a suitable official driver first if losing network or input support would make recovery difficult.
2. In Device Manager, right-click the device and choose Uninstall device.
3. Do not select an option to remove the driver package unless you deliberately need a clean removal and have a replacement available.
4. Restart Windows. It will attempt to detect the hardware and reinstall an available driver.
5. If necessary, install the official package you prepared.

For Bluetooth specifically, TipsMake's guide to the missing Bluetooth option in Windows 11 includes adapter, service, and driver checks.

Prepare before changing critical drivers

• Save work and make a current backup.
• Create a restore point when making a high-risk change, while recognizing that System Restore is not a file backup.
• Keep the previous driver package and recovery instructions available.
• For storage, chipset, firmware, or encryption-related changes, save the BitLocker recovery key and follow the PC manufacturer's guidance.
• Connect a laptop to power and do not interrupt firmware installation.
• In a managed workplace, use the approved software portal or contact IT rather than bypassing policy.

How to distinguish driver trouble from hardware trouble

Test methodically. Try another cable or port, connect the device to a second computer, or test a known-good device in the original port. Check Windows Event Viewer and the manufacturer's diagnostics. If the same hardware fails on multiple systems, or disappears intermittently from firmware/BIOS as well as Windows, a physical fault is more likely.

Repeated blue-screen crashes should be diagnosed from the reported stop code and dump files rather than blamed on the most recently noticed driver. If the PC cannot boot after an update, use Windows Recovery Environment and Safe Mode to remove or roll back the change.

Practical driver-update order

1. Identify the exact hardware and reproduce the problem.
2. Install normal Windows updates and restart.
3. Check relevant Optional updates.
4. Use the PC manufacturer's driver for the exact model.
5. Use the component vendor's package only when the OEM directs you to it or it addresses a documented need.
6. If the issue began after an update, roll back or reinstall the last known-good version.
7. Test hardware when software changes do not resolve the symptom.

The goal is not to keep every version number as high as possible. It is to use a supported, authentic driver that makes the hardware stable and provides the features you actually need.