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I have a Logitech wireless presenter (R400) device that I have used with my Dell M4600 laptop for several years. Recently, probably after a software update of some kind (possibly a new version of VMWare Workstation) the device is no longer recognized and therefore does not load the correct driver. It works just fine on two other laptops so I am convinced that the issue is the USB system on the M4600 being screwed up in some way. Logitech support has been useless on this so I am hoping I can get some guidance as to how to track the problem down and fix it. Many thanks in advance, Sid. Here a list of things to try: -from Device manager scan for new hardware -in device manager>view tab, click 'show hidden devices' and delete all usb entries and hidden devices, reboot and test -then you can download the latest drivers for the chipset, and reinstall it to update the USB root hubs -start>run>diskmgmt.msc check if the usb devices show up in disk management, then run: start>run>services.msc In the listing look for removable storage service. If it is set to Auto, and not started, then start it: click the Start link in the top left.
-In c: windows inf, look for usbstor.inf - If it is not there, you can copy it from another PC.When you find it, right click it and select Install ***instead of view hidden devices, try: Right click Computer >Properties >Advanced System Settings at the left side >in the Advanced tab select Environment Variables >in System Variables click New and enter: 'devmgr_show_nonpresent_de vices' without the parenthesis - enter 1 for the Value. Click Ok and Exit. Now delete all devices in device manager that are not in solid black Reboot and test i also found Safely Remove very handy. Joinaunion: Yes it is a laptop. Yes I have confirmed the issue is the same on all ports, regardless of whether it is a port on the laptop or on a hub connected to the laptop.
Batteries on the R400 are good and it operates well on other laptops. Radicalmeo: All other devices connected to the laptop appear to operate normally. Yes I have uninstalled and re-installed the device using device manager. Nobo: This seems like a radical approach and one I am not comfortable undertaking at this time. If possible I would like to trouble-shoot the problem rather than blow away all USB devices. Also, you seem to be under the impression this is a storage device, which it is not.
Noxcho: The issue is present regardless of a virtual machine being active. Many thanks for the input so far, I look forward to further input, Sid. To confirm you have done this? Steps to connect: 1. Download the Logitech® Presenter Connection Software at and save it to a folder.
Double-click the file “presenter_connection_zipp ed.exe” and browse to a folder where you would like to save the unzipped software. Now your software is ready to go. Turn the presenter On to verify that the batteries have enough power, then turn the presenter Off. Plug the presenter’s USB mini receiver into the computer's USB port. Start the Logitech® Presenter Connection software by double-clicking on the file “logitech_presenter_connec tion.exe” (this is in the folder from step 1 above). Hold down the slide forward and slide backward keys (the two arrows) at the same time.
While still holding both buttons down, turn the presenter On. Keep holding both buttons down for 3 - 5 seconds, then release them. Click OK to exit the software. Your presenter should now be connected. Joinaunion: I have not done the USB controller uninstall and to be honest I do not see any point in doing that. With much respect and appreciation I have to say that I do not find this a very logical way of debugging the issue. Here is a simple question, how does Windows translate the VID/PID of a device into the name it shows (e.g.