If you see a yellow exclamation mark next to one of your PCI drivers listed under Other devices or unknown devices in the Device Manager, and you have no idea what to do, you're not alone. Many Windows users are reporting about this problem. But no worries, it's possible to fix, however horrifying the scene looks.
1. Update PCI device driver via Device Manager
The yellow exclamation mark next to certain device problem can usually be fixed with an appropriate and matched device driver.
1) On your keyboard, press the Windows logo key and R at the same time, type devmgmt.msc and press Enter.
2) If you can see clearly the name of the PCI device as the screen shot shown below ( PCI Simple Communications Controller), just go to the manufacturer's website of your computer and search for the exact driver from there.
If the computer is assembled by yourself, which means that there is not a definite manufacturer that you can turn to, you can use to help you download the drivers needed for free.
2. Update PCI device driver Manually
If you are not sure which manufacturer website to turn to, you can use the hardware ID to search for the correct driver for you:
1) On your keyboard, press the Windows logo key and R at the same time, type devmgmt.msc and press Enter.
2) expand Other devices. double-click PCI Device.
3) Go to Details, select Hardware IDs from the drop-down box.
4) Now, let's try the first ID listed here first. Copy the first hardware ID listed.
5) Paste it to the search box of the searching engine. Please also add keywords such driver or your operating system.
6) Download the correct driver from the list provided. Then you need to install them as instructed by the driver provider.
3. Update PCI Driver Automatically (Recommended)
If you don't have the time, patience or computer skills to update your drivers manually, you can do it automatically with .
Driver Easy will automatically recognize your system and find the correct drivers for it. You don't need to know exactly what system your computer is running, you don't need to risk downloading and installing the wrong driver, and you don't need to worry about making a mistake when installing.
You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version it takes just 2 clicks (and you get full support and a 30-day money back guarantee):
1) and install Driver Easy.
2) Run Driver Easy and click the ScanNow button. Driver Easy will then scan your computer and detect any problem drivers.
3) click the update button next to the flagged PCI device to automatically download and install the correct version of its driver (you can do this with the FREE version).
Or click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system (this requires the – you’ll be prompted to upgrade when you click Update All).
Greetings, dear readers.
After reinstalling the operating system, some users (including me) met with a situation where the Device Manager shows that a PCI device driver for Windows 7 is needed. And most often this occurs on laptops, although you can also see it on a PC problem. In some cases, you can notice certain negative aspects in the operation of the device, manifested by the speed of information processing, “pauses”, and sometimes “stops”. In the article I will try to tell you how to cope with the disease.
It must be said right away that a PCI device does not have a specific purpose. This marking indicates the bus with which the component is connected. The equipment itself can have different purposes - a modem, a network card, a cardreader, and much more. Therefore, it is not always possible to solve the problem so immediately.
Installing Specific Drivers( )
There are several ways to find out which driver to look for. First you need to get into "", and then into "".
In most cases, problems are found in the "" section. If you click on this item, a drop-down list will open, on the left side of which there will be yellow Exclamation point, and then go the inscription.
So, for example, you need to find the driver for the Simple Communications PCI controller. This means that no special interface was found on the computer between the host and the Intel Management Engine firmware.
Another popular problem is the presence of an error in Nvidia nforce PCI Management. It indicates an ailment with the chipset software. For a solution, you need to go to official site and find the appropriate software. It is important to find exactly the right security (must match Windows versions, bit depth and even BIOS release). Next, you can simply update the driver or install if it was not there. Sometimes a reboot is required.
Search by ID( )
Sometimes there are situations when you cannot immediately determine which equipment is not working. In addition, marking in " Device Manager". What to do in this case?
To find what you need for Windows 7 software, you need to do a few steps:
By the way, this method is also suitable for Windows XP PCI devices. It is best to search on trusted sites so that you do not inadvertently install a virus.
Disk( )
Often, along with PCs or laptops (be it Asus, HP, Lenovo or any other company), a portable device with all the necessary drivers is provided in the kit. This is where you can try to look for the right software.
In addition, feel free to contact the official technical support of customers. Users are often helped here, indicating not only the name of the component, but also where they can download the corresponding small programs.
I hope you manage to sort out the problem. Subscribe and you will learn a lot more.
A driver is essentially a link between the operating system, that is, software, and hardware, that is, physical devices such as video cards, printers, processors, etc. The operating system may have basic drivers for the most necessary devices - a mouse, keyboard, but everything else will require fresh drivers.
How to install the driver?
1. The easiest way, if there is an installation file, then you just need to run it and follow the instructions of the installer.2.If there is no installer available, but only files with *.inf, *.dll, *.vxt, *.sys, *.drv. extensions are present, then the algorithm of actions should be something like this:
a) First you need to select the icon on the desktop ( My computer) and click on it with the right mouse button, in the drop-down menu select ( Properties).
b) Now go to the tab ( Equipment) and press the button ( Device Manager).
c) Now you need to select the device for which the driver will be installed/updated. On the line with the device, right-click and select in the drop-down menu ( Properties), or you can simply double-click on it to go to the desired settings. 
d) Go to the tab ( Driver), select the button ( Refresh).
e) In the dialog box that appears, select the item ( No not this time) and go ( Further).
f) There are two options at this stage. You can try to install the drivers in automatic mode, then the OS itself will try to find drivers suitable for the device and install them, for this we select ( Automatic installation(recommended)), if the attempt fails, then go to the second step ( Installation from a specified location) and choose ( Further).
g) This menu item implies a choice between searching for a driver on removable media and the option to specify the folder with the driver yourself. Therefore, if there is a disk with drivers available, then you need to insert the disk into the CD-rom and select the option ( Search on removable media (floppies, CDs..)) and go ( Further).
If the driver is found and downloaded on the Internet on your own, then you must manually specify the path to the folder in which the installation data for the driver is located as follows. Select item ( Include the following search location:) and go to ( Overview), now select the folder with the driver from the list and click on the button ( OK). Now boldly move on Further), if everything is done correctly, the installation of the necessary driver will begin. 
How to manually download and update:
This built-in PCI Controller driver must be part of the operating system. Windows system® or be available for download through the Center windows updates® (Windows® Update). The built-in driver supports the basic functions of your PCI Controller hardware.How to perform automatic download and update:
Recommendation: Windows users If you are inexperienced in updating PCI Controller device drivers, you can use the DriverDoc driver update tool to update these PCI Controller drivers. This driver update utility ensures that the correct drivers are downloaded for your PCI Controller and operating system version, preventing you from installing the wrong drivers.
The most enjoyable part about using DriverDoc is that this utility does automatic update not just your PCI Controller drivers, but every other driver on your PC. With a constantly updated database of over 2,150,000 drivers, you can be sure that we have all the drivers you need for your PC.
Install optional products - DriverDoc (Solvusoft) | | | |
PCI Controller Update Frequently Asked Questions
What do PCI Controller Device Drivers do?
The developer creates these small programs to make the PCI Controller you are using interact with the specific version of your operating system.
What operating systems are compatible with the drivers?
The latest drivers are supported by Windows.
How to Update PCI Controller Drivers?
The two main ways to update PCI Controller drivers are manually using Device Manager or automatically using driver update software.
What are the Benefits and Risks of Updating PCI Controller Drivers?
Updating your PCI Controller drivers can improve PC performance, unlock hardware features, and fix any incompatibilities. The risks of installing incorrect PCI Controller drivers include software crashes, loss of functionality, PC freezes, and system instability.
About the author: Jay Geater is President and CEO of Solvusoft Corporation, a global software company focused on innovative utility programs. He has been passionate about computers all his life and loves everything related to computers, software and new technologies.
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