ERROR: A Required Device Driver is Missing on Windows 7 Install

I could say I'm too familiar with computers to confidently install just about any modern Windows or Linux operating system from USB or boot from USB for that matter.. However, a recent experience with a Windows 7 install, made me hit a brick wall and the experience was one that made it a little more memorable.

I do installs from USB this since not all modern servers and notebooks have internal optical drives. And bringing an optical drive as standard toolkit is too much hassle. Creating your very own USB Windows 7 installer has been posted in this blog before. And in this case, I have used the same installer in the past few years without hitch. It is only now that I have encountered an error trying to install on a friend's notebook.

To give you a better idea of what the error screen looks like, I took a snapshot of the screen with my phone. It is shown below:

A Required Device Driver is Missing

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

The weird thing is that no matter what I do after this error, it will not allow me to proceed with the install (the "Next" button is greyed out). So I did the best solution for Windows -- REBOOT! Nada, same result. Out of sheer curiosity, I moved the installer to another USB port. This time the installation proceeded without the same error. And this really puzzled me. So post-installation, I did my research.

The error message is misleading and it will throw you off in the wrong direction. As it turns out, on the initial installation attempts wherein I failed, the installer was plugged to a USB 3.0 port.. to which the Windows 7 installer had no native drivers. This is the reason for the installation module asking for a driver that it did not have.

To successfully proceed with the install, the USB flash drive containing the installer needs to be plugged into a "legacy" USB 2.0 port that Windows 7 has native drivers for. If ever you encounter a similar problem, simply seek information from the hardware manual and locate the legacy USB ports and install from there.

RELATED: Build an Ultimate Boot USB

The solution was as simple as that.. But it is just as easy to miss it. Too much familiarity with the task often has its price.


HOW-TO: Locate VMware ESXi Hosts in Your Infrastucture

There are times when you have to operate within the constraints of the environment in which you operate in -- like when you have a workstation that requires multiple operating systems (as well as multiple applications) and all that's available to you for network configuration is dynamic host configuration protocol (or DHCP).

This becomes even more complicated if the operating system installed on your workstation is a hypervisor, like VMware ESXi. Locating your host in the network segment can become a challenge. Especially when there are scheduled maintenance work that requires your workstation to be shutdown or when you leave the office on a weekend only to return the following week facing a host that is assigned a different IP. In case you are wondering, I don't have control over the DHCP server to reserve an IP address.

Given that constraint, I have to adapt and discover some things to make my life easier, accept the challenge and work around it. Fortunately, I'm not alone in this boat. Others have faced similar issues and have developed tools to specifically address this.

For this particular issue, the appropriate software is called "VMware Scanner". And it functions just like typical IP Scanners.

VMware Scanner Initial Screen

Simply input the range of IP Addresses to scan and let the application work for you. The application is very quick in locating ESXi hosts.

VMware Scanner Result

RELATED: Create a USB VMware ESXi 5.X Installer

Working within your constraints is necessary sometimes. This is where adaptability and resourcefulness come into play.

Hope this tip helps you face the same dilemma I was in.


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