CDs & DVDs are very quickly becoming obsolete mediums and are being overtaken by USB drives. This is true even in the case of Windows installation truyền thông. While it is true that Windows 7 came out during a time where using CDs and DVDs to install Windows was still the norm, the most comtháng Windows 7 installation medium today are USB drives. Almost every person who wants lớn install Windows 7 on a computer in this day & age uses a Windows 7 installation USB to lớn vì so, but being the most commonly traveled road does not mean that it’s not bumpy. When using Windows 7 installation USBs to lớn install Windows 7 on computers, many people have sầu reported seeing an error message at the very beginning of the installation process, an error message that reads:

A required CD/DVD drive sầu device driver is missing. If you have a driver floppy disk, CD, DVD, or USB flash drive sầu, please insert it now.

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A required CD/DVD drive device driver is missing

What causes the “A required CD/DVD drive device driver is missing” error message?

Upon seeing this error message, the first thing any affected user would wonder will most certainly be why they’re seeing it in the first place. The error message points at a missing CD/DVD drive device driver, while they’re not using the CD/DVD drive sầu to install Windows 7 in the first place – they’re using a USB drive sầu. Well, that’s just a difference in terminology – the semantics remain the same. This error, in cases other than when it is caused by happenstance or something incredibly generic, is brought on by the use of a USB 3.0 drive to lớn install Windows 7. You see, the Windows 7 installation environment does not have sầu native sầu tư vấn for USB 3.0 because the format simply wasn’t all that common baông xã when Windows 7 first came out. That being the case, using a USB 3.0 Windows 7 installation USB or plugging a Windows 7 installation USB into a USB 3.0 port on your computer will result in you seeing the “A required CD/DVD drive device driver is missing” error message when you try to lớn install Windows 7. Even if it doesn’t, in some cases, slow USB 3.0 speeds are caused due lớn Windows 7 ISO being relatively older than the format and this can also cause errors during the installation.

What causes this issue is not the only thing that’s known, however – its remedies are quite well known too. The following are the absolute most effective solutions you can use to lớn try and resolve sầu this problem, get rid of the “A required CD/DVD drive sầu device driver is missing” error message & successfully install Windows 7 using your Windows 7 installation USB:

Solution 1: Unplug the USB drive sầu and plug it back in

First and foremost, you need lớn rule out happenstance or some kind of a one-time-only issue with your installation USB or the USB port it is plugged inlớn or some other incredibly generic issue is the reason why you’re seeing the “A required CD/DVD drive device driver is missing” error message when you try to lớn install Windows 7. In order khổng lồ vày so, all you need khổng lồ vì chưng is unplug your Windows 7 installation USB, wait for a little while and plug it baông xã inlớn the USB port. Once done, try booting from the installation USB and installing Windows 7 to lớn see if the error message still persists.

Solution 2: Unplug the USB drive sầu & plug it into a different USB port

You might be seeing the “A required CD/DVD drive sầu device driver is missing” error message when installing Windows 7 from a Windows 7 installation USB because there’s some kind of a problem with the USB port the USB drive is plugged inkhổng lồ. If there’s no problem with the USB port, the USB port you’re using might just be a USB 3.0 port, và as stated before, the Windows 7 installation environment simply doesn’t have sầu USB 3.0 support, meaning that it might simply be unable to read the installation files that are on the installation USB. If that’s the case, you can get rid of the error message by simply unplugging the USB drive sầu from the USB port it is plugged into lớn and plug it inkhổng lồ a different USB port on your computer. It would help your case a great giảm giá khuyến mãi if the USB port you plug the installation USB into lớn is a port you definitely know lớn be a USB 2.0 port. Also, verify that the USB ports don’t have any power surge issues because that can also interrupt during ISO installation.

Once you have the installation USB plugged inlớn a different USB port, try booting from the installation USB và installing Windows 7 to see if the issue has been fixed.

Solution 3: Disable USB 3.0 Configuration in Pre-OS

On many computers, especially computers that only have sầu USB 3.0 ports, the BIOS has a setting named USB 3.0 Configuration in Pre-OS. This nifty little setting defines whether the USB ports on the computer, before the computer boots inlớn its Operating System, function as USB 3.0 ports or USB 2.0 ports. If you’re seeing the “A required CD/DVD drive device driver is missing” error message while trying to lớn install Windows 7 from a Windows 7 installation USB, you might be able lớn get rid of the error message by disabling the USB 3.0 Configuration in Pre-OS setting in your computer’s BIOS (or by setting it to Auto, which essentially achieves the same thing we were trying khổng lồ by disabling it). If you would like lớn use this solution, you need to:

Remove the Windows 7 installation USB from the computer and restart it.On the very first screen, you see when the computer boots up, press the key specified on the screen lớn get into lớn your computer’s BIOS or Setup. The key you need lớn press will be clearly specified on the first screen you see when the computer boots up & varies from one computer manufacturer to lớn the next. Press khổng lồ enter setupOnce you’re inside your computer’s BIOS, make your way to System Configuration.Locate and navigate to lớn the USB 3.0 Configuration in Pre-OS setting.Locate the USB 3.0 Configuration in Pre-OS settingChange this setting from Enabled to lớn either Disabled or Auto, respectively resulting in all USB 3.0 ports on the computer being treated as USB 2.0 ports until the OS is loaded or USB ports, until the OS is loaded, being treated as USB 3.0 or USB 2.0 ports depending on the kind of USB drives that are plugged inkhổng lồ them.Set USB 3.0 Configuration in Pre-OS to Aukhổng lồ or DisabledSave the changes you have sầu made and exit your computer’s BIOS.

When you’re done, plug your Windows 7 installation USB baông chồng inkhổng lồ the computer, boot from it and try lớn install Windows 7. You should now be able to successfully install Windows 7 without running into lớn the “A required CD/DVD drive sầu device driver is missing” error message. Be sure lớn set USB 3.0 Configuration in Pre-OS bachồng to Enabled after Windows 7 has been installed.

Solution 4: Installing Motherboard USB Drivers

In some cases, the error might be triggered if certain drivers are missing from your computer on which Windows 7 is khổng lồ be installed. Therefore, in this step, we will be installing some Motherboard drivers after downloading the Gigabyte Motherboard Utility from a liên kết và then make a bootable USB through that. For that:

Navigate lớn this liên kết và cliông chồng on the “download” button in the top right corner.Wait for the files lớn be downloaded and extract them lớn the desktop afterward.Navigate inside the folder where you have sầu extracted the files và double cliông chồng on the “WindowsImageTool.exe” file.Clicking on the “WindowsImageTool.exe” optionOnce the application has been started, select the USB that you previously made bootable lớn install Windows 7 & check all the three options below.Clichồng on the “Start’ button & wait for the process to be completed.Now, check to see if the issue persists.

Note: You can also try to manually tải về the USB chipmix drivers for your motherboard lớn the computer on which you are installing Windows 7 và then during installation choose the browser my computer for drivers và select the appropriate drivers for your computer during that.

Method 5: Disable AHCI Mode

If your CD/DVD drive sầu is not compatible with the Microsoft AHCI driver (msahci.sys), your disk controller may be phối lớn AHCI in the system BIOS.

The SATA interface can operate in two modes, IDE and AHCI:

IDE: A compatibility mode for older equipment & software. In fact, in this mode SATA capađô thị is no different from its predecessor, ATA (or PATA) interface;

AHCI: A new mode for memory devices, where a computer can use all SATA advantages, primarily higher tốc độ of data exchange with SSD and HDD (Native Comm& Queuing giải pháp công nghệ, or NCQ), as well as hot-swapping of hard disks. When you activate AHCI mode, it increases the tốc độ of access khổng lồ files in memory devices & improves the overall performance of your computer.

You may be able to lớn resolve sầu the issue by disabling AHCI mode for your disk controller in the BIOS. There are multiple BIOS manufacturers & BIOS versions, you should check your system documentation or visit your PC manufacturers website for exact instructions on how lớn change this setting

The basic process for changing the disk controller setting is to lớn restart your computer & entering the system BIOS is as follows.

Restart your computer and wait for it lớn shut down completely.When the PC is booting up, press the “F2” or the “F12” key repeatedly lớn get inlớn the computer’s btiện ích ios.Once inside the bgame ios, navigate around it until you come khổng lồ the Storage controller setting which offers you to select from “AHCI”,”IDE”, RAID or “ATA” mode.Make sure to select another option & unselect the AHCI option in this setting.
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Unselecting this optionSave your changes & reboot the computer.Cheông xã khổng lồ see if changing this setting has fixed the issue and if it doesn’t, make sure to lớn try all the other options one by one before you give up on this method.Warning: Incorrect settings in the System BIOS can cause your PC’s function incorrectly. If you are not familiar with configuring the system BIOS, you should tương tác the PC manufacturer for assistance.

Method 6: Manually Install The IRST Driver (DELL Users Only)

Hãng sản xuất Intel Rapid Storage Technology is a Windows-based application that provides improved performance và reliability for systems equipped with SATA disks for desktop, Smartphone, & hệ thống platforms. When using one or multiple SATA disk drives, you can take advantage of enhanced performance and lower power consumption.

This driver might also be necessary lớn properly use the motherboard that you are using because intel is known for pushing its motherboard drivers beyond other ones and you might actually be able to lớn fix this issue by installing this driver. In order lớn install this driver, follow the steps below.

Cliông chồng the Drivers & downloads links. Ensure that the operating system that you are using is selected from the list of available ones.Clichồng the arrow & cliông chồng the tải về links for the Hãng sản xuất Intel Rapid Storage Technology F6 Driver.Extract & copy the IRST drivers khổng lồ a USB 3.0 key, double-cliông xã the file, & follow the prompts to extract the compressed files.).Boot your system to lớn the Windows 7 Professional 64-bit media using the F12 boot thực đơn to select your boot device.When you are prompted lớn load a driver, insert the USB 3.0 key that contains the IRST driver, & install the Hãng sản xuất Intel Rapid Storage Technology Driver.The Windows 7 Professional installation should continue now.

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Note: If your system does not recognize any USB devices, then you are most likely trying to lớn install Windows 7 khổng lồ a system with the Skylake Chipset. Downloading the most current Dell Windows 7 ISO or inserting the USB 3.0 driver into your Windows 7 image should resolve the issue.

Method 7: Utilize USB3.0 Creator Utility

The Hãng sản xuất Intel USB 3.0 Creator Utility is a tool for adding USB 3.0 driver support to lớn Windows 7 Installation Media. Most of the users have sầu reported that missing USB3 drivers were the root cause of the issue hence follow the steps indexed below to lớn use the USB Creator Utility for preparing your Flash Drive: