![]() I did a full sustem search for file contence as well as names, found a bunch of files and deleted them all. (They Should be “0x067B” and “0x2303” respectively.) If that fails you you might need to use the USBVIEW.EXE program from the Micro-Soft Device-Driver Development Kit (DDK) to find out Vendor ID (idVendor) and Product ID (idProduct) for the USB to Serial Device. When the Vex USB to Serial Cable is plugged in, everything that it needs should be there for it to operate correctly… Install the NEW PL2303 drivers to the system, with out detecting NEW Hardware and accessing the Internet (and possibly downloading the wrong drivers). Remove the OLD PL2303 drivers from the system. Unzip and Install Driver referenced above. ![]() ![]() Unplug Vex USB to Serial Cable (if not already done) INF FILE WITH THE NAME “PROLIFIC” IN IT, AND THE. found above, BUT ONLY THE FILES REFERENCED IN THE. look for anything that has a “.cat”, and “.sys” and the end, and use those names.ĭelete (or Copy to a Flash Drive, if Paranoid) the *.inf, the. You should locate at least One file (mine is “oem5.inf”, YMMV) that references the files pl2303.cat, ser2pl.sys, and serenum.sys. Search for text in the files, not file names. If no matches, try the same Search for the text “pl2303.cat”. Search through the files in the “%windir%\inf” directory for the text “Prolific”. WinXP_64 and Win Vista might have different file names) It sounds like you are Stuck, you can not go forward, nor go backwards… What version of Windows? What version of Driver? No matter which version of the driver I use, how I try to install it, I ALWAYS get the same message!Īnyone got any Ideas, have the same problem, etc? The device manager pop-up appeared in the task bar and said “searching pre-configured driver folders…” then “Searching windows update…” then “Installing driver software…” and then I got a message saying “A service section of thin INF is invalid”. I installed the latest Prolific driver and plugged in my cable. Last on the reinstall list was the driver for my cable. I have been able to program the robot in the past, but recently I had to uninstall everything (including the driver for the USB-Serial adapter) and reinstall it all. Hi, this is essentially the same post that I made in the “Ask the experts” section.
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