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DC7700 UNKNOWN DEVICE DRIVER

I cleared out all temp files and other junk, and cleaned the registry with both utilities, on the off-chance that there was a bad registry key. It didn’t work for me. Look for a chipset update for that computer. Sometimes, clients will bring in information on a USB thumb drive, which I found no one can access. Username Changing provided by Username Change v1. How can I be notified when my favorite forums contain new threads? According to this helpful Microsoft Support Article , one of the issues that can affect USB efficacy in XP is a “malfunctioning, incorrectly-configured, or missing device driver.

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Sometimes, clients will bring in information on a USB thumb drive, which I found no one can access. I’m really out of ideas here; usually one of the above methods will fix the problem, but in this case the USB ports remain as stubborn as ever.

I cleared out all temp files and other junk, and cleaned the registry with both utilities, on the off-chance that there was a bad registry key.

I’ve read in a couple of websites on the subject that sometimes unplugging and walking away from the computer for a few minutes can help, as it resets the motherboard controller and refreshes the USB controllers. I took step four to the next level and downloaded and ran USBDeviewwhich is a handy utility to view all installed and connected USB devices on the machine, including their drivers.

Look for a chipset update for that computer.

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Any other suggestions are whole-heartedly welcomed! Where is the Main Index page of the old Woody’s Lounge? This website uses cookies, including third party ones, to allow for analysis of how people use our website in order to improve your experience and our services.

I think it may be a driver issue, because when I checked the “Unknown Device” entry in Device Manager, the status box reported that the driver for the device was not installed.

According to this helpful Microsoft Support Articleone of the issues that can affect USB efficacy in XP is a “malfunctioning, incorrectly-configured, or missing device driver. Click here for more information unknowb our Cookie Policy and Privacy Policy. The time now is Username Changing provided by Username Change v1.

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Now I have no idea how that might have happened; I’ve checked dc7700 everyone who used the machine before I did if the ports ever worked, and they reported that they didn’t know anything about it and that as far as they knew, the USB ports for thumb drives never worked on the computer.

It was an exercise in futility. How do I configure the display of members’ images and signatures?

How should I configure my browser to get the greatest benefits from the Lounge? Last edited by Diogones; at As a desperate measure, I downloaded and installed a third-party driver locator and installer, which I’m loathe to do. The above FAQ links open in a new window. Maybe that would help me, since I’m out of ideas.

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HP Compaq dc7700 Desktop PC Series – Unknown PCI Serial Port in Windows Device Manager

So I powered down and unplugged the machine for a couple of minutes. They work fine with a USB mouse and printer, but they will not respond to any thumb drive, regardless of port.

I did download and install the latest update for the system BIOS and the chipset driver, as I felt those were two of the most important driver updates the site offered, but no luck.

It didn’t work for me. It found updates for all the USB hubs, but even after downloading and installing the drivers and then rebooting, it didn’t change anything. All times are GMT I selected all the USB devices that did not have drivers installed or were not working properly, including the “Unknown Device” entry, and deleted those, uknnown restarted Windows.

How can I be notified when my favorite forums contain new threads? By continuing to use our website, you agree to the use of such cookies. Runs best on HiVelocity Hosting. What’s the easiest way to become a member and start posting? Results 1 to 2 of 2.

Based upon my above approach, there are a few things I’ve concluded:

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