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Windows 7: DVD-ram I/O DEVICE error

09 Mar 2009   #1

Windows 7 x64
DVD-ram I/O DEVICE error

I recently did a clean install of Windows 7 x64, and my I cannot install from my DVD drive. When i attempt to open the drive in command prompt it gives me an I/O device error message. I can open media disks with no problem, and the drive appears in both device manager, and windows explorer. I've attempted to find the firmware for the driver (mat****a UJ-840s) but I have not been successful. One more note I went from a 32 bit XP to the 64 bit windows 7

My System SpecsSystem Spec
12 Mar 2009   #2

Linux CENTOS 7 / various Windows OS'es and servers

Hi there
the UJ drive is made by Panasonic so any Panasonic DVD RAM driver should work -- but DVD-RAM is built into Windows in any case so it's strange that it's not being picked up. The last time the DVD-RAM driver by Panasonic was updated was way back in Windows 98 / Windows 2000 days.

Try "Uninstalling" and deleteing the DVD driver and after a reboot let Windows update find a new one.

In the device manager there is an option to delete the driver when uninstalling.

My System SpecsSystem Spec
12 Mar 2009   #3


Agree with jimbo but instead of rebooting after you uninstall you can just go to action>scan for new hardware changes and the device manager should pick it back up.
My System SpecsSystem Spec

06 Apr 2009   #4

Win7 x64 Build 7048

I get the same problem. And reinstalling the driver does not seam to work.
My System SpecsSystem Spec
06 Apr 2009   #5

Win7 Ultimate x64 on Desktop / Win7 Ultimate x86 on laptop / Win7 x86 Starter on Netbook

Hi Josh,

What are your system specs, and is your BIOS up to date? :)
My System SpecsSystem Spec
14 Apr 2009   #6

Win7 x64 Build 7048

Quote   Quote: Originally Posted by Romulinx2 View Post
Hi Josh,

What are your system specs, and is your BIOS up to date? :)
My BIOS is up to date. I still can't get my drive working.
My DVD Drive showed up when I was running Build 7000 also in x64.
My System SpecsSystem Spec

 DVD-ram I/O DEVICE error

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