A driver is a small file that helps a computer communicate with a certain hardware device. (Such as audio/video controllers, printers, scanners, etc.) It contains information the computer needs to recognize and control the device. In Windows-based PCs, a driver is often packaged as a dynamic link library, or .dll file.
Most driver errors occur because:
- They are incompatible with the operating system
- There is a missing or busy resource
- There is something corrupt in the driver or the operating system component causing buffer errors in the system
- The driver is poorly designed with low frame rates which can reduce your system stability and performance
- The registry entries may be corrupt or incorrect
Here are some examples of common driver errors, generated due to a missing or damaged driver file.
STOP: 0xc0000221 [Unable to load device driver] DriverName
STOP: 0xc000026C [Unable to load device driver] DriverName
STOP: 0xc0000221. Bad image check sum, the image NV4_disp.dll is possibly corrupt. The header check sum does not match the computed check sum.
Most often, the error message won’t indicate the cause of the problem. You’ll have to isolate the problem by checking the device settings.
To check your device settings, follow the instructions below:
Click on the Start menu, then right click on My Computer
Click on Properties, then click on the Hardware tab. Next Click on Device Manager. The Device Manager provides you with information related to devices installed on your system. You can browse through various component categories to identify the device with conflicts. Double-clicking the problematic device will enable you to open a new dialog box that will give you information related to the nature of the problem.
Most hardware problems are due to a faulty device driver. To fix these problems, you can choose to upgrade to a new driver version, rollback to an older version, or reinstall the device driver. You can also use the recovery console to replace the corrupt driver file with the original file.
To reinstall the driver, open Device Manager and navigate to the hardware you need to reinstall. Right-click the device and select the Uninstall. Next, select OK and then Yes to restart your computer. When you restart your computer, your Windows system will automatically detect the hardware and attempt to install the driver for it.
To upgrade the driver for your hardware, click here to run a free scan, then download the updated driver. Install the driver software and restart your computer.
To rollback a driver to a previous version, first identify the hardware in the Device Manager window. Next, right-click the hardware and select Properties. In the properties dialog box of the hardware, select the Driver tab, and finally click the Roll Back Driver button to restore the previously installed driver.
If all else fails, restart your computer with the Windows XP CD-ROM and select ‘R’ from the Welcome to Setup screen to open the Recovery Console. Login using the administrator password and run the command “cd windows\system32\drivers”. Next, rename the damaged driver file by running the “ren DriverName.sys DriverName.bak”. Now copy the original driver file from the Windows XP CD-ROM to the Drivers folder by running the command ‘copy CD-Drive:\i386 DriverName‘. Finally, exit the recovery console and restart the system.
If none of the above suggestions fix the problem, you might have to reinstall or replace the hardware. If the errors still persist, then you might need to restore or reinstall the operating system.
You can also scan your system registry using a reliable registry cleaner software. This software helps you to eliminating unwanted and corrupt entries from the registry, thereby enabling you to prevent the occurrence of frequent errors on your PC.