Remove usb device drivers mac
However, a fact is often neglected that, even the stand-alone software may might still leave its configuration and preferences files on multiple system directories after you carry out a basic uninstall.
These vestiges can be very small in size, thus leaving them alone may not affect your Mac performance, yet they can also be a large chunks of useless files that occupy a large portion of your hard drive space. In the latter case it is quite necessary to clean out those junk files from your Mac for complete removal. Even for the experienced users, they may also get lost when trying to uninstall a problematic, stubborn or even malicious application. This drag-to-delete method works in all versions of Mac OS X. Most 3rd party apps can be smoothly uninstalled in that way, but you cannot delete built-in apps by doing this.
Some apps installed using the Mac package installer will prompt you for a password when you try to move it to the Trash. Any time you change your mind and wanna undo the deletion of apps or files, just right click the item in the Trash and select Put Back option.
This tap-and-hold method is applicable for the apps installed through the App Store, and it requires OS X lion or later. This way cannot uninstall built-in apps as well. It is worth mentioning that, some applications for Mac come with their own dedicated uninstallers, e.
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Adobe and Microsoft. Those apps will install additional software to provide extended functions, or place library files and associated application dependencies elsewhere in OS X. You can manually delete all the accompanying components as well, but it would be better to run the specialized uninstaller to fully remove the application alone with its bundled software or associated items. As for some apps that are built in macOS, you can either run commands in the Terminal to delete it, or try the uninstall tool offered in the last section of this post.
Most OS X application are self-contained packages that can be easily uninstalled by dragging them to the Trash, but there are exceptions too. Well, even though completely uninstalling apps on OS X is much more simple than that on Windows, you may need to check if there are support and preference files left on your hard drive after USB Audio ASIO driver has been deleted. There are tow locations where apps store their preferences and supporting files, and both are named Library. On the Startup page you'll find a list of routines that are either in the common Startup folder or in the Registry's Run or RunOnce sections.
Just as with extraneous Control Panel entries, unticking one will stop it being loaded on the next boot ideal for double-checking that it isn't still required , and you can then delete the file manually. If your old audio interface leaves behind a startup utility, you should be able to find it using the freeware Autoruns. A rather more elegant utility is the freeware Autoruns from SysInternals www. It can also display other parameters, such as Explorer add-ons shell extensions, custom toolbars, and the like , and helpfully lets you hide the multitude of Microsoft entries if you're searching for third-party add-ons.rielstroi.ru/images/map13.php
Using Autoruns you can selectively disable any extension and also permanently delete it, from within the same application. So what can you do if the worst happens and you've already yanked out and disposed of loads of hardware without first uninstalling its drivers? Well, first take a look in your 'Add or Remove Programs' list.
If there's still an entry for the hardware in question, it's still worth trying to run it. You can also downoad and run any dedicated uninstall utilities after the event. In the absence of such device-specific options, there are various manual techniques you can use to track down driver files, and references to them in the Registry. However, anyone who wants to try these techniques should be aware that they can entail grave risks, and if you accidentally delete any system files or Registry entries that may still be required, you may subsequently be unable to boot up Windows at all.
If you want to try the techniques, I would strongly recommend first creating a backup image of your Windows partition, using a suitable utility, such as Norton's Ghost, so that if you run into problems you can use the saved image file to exactly restore Windows to its former state. Judging by the number of times readers have since asked me for the link to the on-line version, it has since become a well-used routine amongst PC musicians.
The Windows NT, and XP Device Manager only normally displays Registry entries for devices that are currently connected, even if you use its'show hidden devices' function, but if you follow these steps you can force it to display redundant devices that are no longer connected, so that you can delete them once and for all. Here are some additional points that may help. First, before deleting any greyed-out item belonging to old hardware, if you double-click on it or right-click on it and select Properties , select the Drivers page and then click on its Driver Details button, Windows may be able to display a list of all the driver files the old hardware used.
Since these are not deleted when you delete the Device Manager entry, it's worth noting down the non-Microsoft ones for later removal by hand, if you want to be thorough. It's also worth knowing that every time you plug a USB-based interface into a new port, Windows needs to configure the driver for that particular port, and will therefore ask for the drivers to be installed all over again.
So if you've got six USB ports and you tend to plug your audio or MIDI interface into whichever one happens to be unused at the time, you could end up with six references to it: one currently valid if the interface is plugged in, and five other 'non-present' or 'ghosted' versions. This Registry entry duplication also happens if you move a PCI card to another slot, and with some interfaces after you apply a firmware update as part of a new driver release. Uninstalling a soundcard may still leave behind lots of detritus.
Here, you can see some of the references to 'Mia' found in my Registry by Regseeker's 'Find in registry' function, even after I'd correctly uninstalled the Mia soundcard's drivers. If you've got lots of USB devices, you've shuffled your PCI cards around a lot, or your audio interface manufacturer has released lots of firmware updates to add new features like some of RME's range, for instance , you can end up with loads of unwanted references. Aside from the fact that they clutter up the Registry, these entries may prevent you from installing a new interface properly.
This happens because different versions of Windows have various internal limits on the number of device drivers that can be installed. One notorious example that's hit various musicians is the entry limit on internal bit drivers that affects Windows NT, and XP. In the Registry, MIDI devices, for example, appear in the Drivers32 section see screenshot as 'midi', 'midi1', 'midi2', 'midi3' and so on, up to 'midi9', while audio devices appear as 'wave' to 'wave9', and audio mixer devices as 'mixer' to 'mixer9'.
Although there may be duplicates and unwanted entries in these lists, once the maximum of 10 exists in the Registry, no more can be created, preventing you from installing further devices.
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The problem can be cured by installing Windows again from scratch, although not surprisingly few musicians want to take this drastic step. A second, but potentially more dangerous, approach is to manually delete some of the offending duplicated entries in your Registry that are causing the problem. Matthias Carsten of RME has written an in-depth technical page that you can consult if you're prepared to modify the Registry by hand in this way it's at www. Having said all that, according to my experiments, the extra devices should all appear in 'greyed out' form in Device Manager when you follow my instructions above, and deleting them here seems a far safer option.
M-Audio also provide Midifixutil. Another potential source of problems is the Windows INF files used during the installation process of each hardware device.
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If, after uninstalling old interface drivers, you have problems when trying to install new ones, it may be because Windows has found an old INF file relating to the hardware. Try doing a search for your interface name in these 'oem' files and delete any such INF files you find. My INF folder contained a massive objects, but to narrow it down you will mostly find those associated with audio and MIDI interfaces named 'oemX. This makes it considerably easier to find files relating to an old audio or MIDI interface.
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Even after you've run a dedicated uninstall utility that removes the driver files, associated INF files, and sometimes even references to the hardware within the Registry, your old audio and MIDI interfaces can still leave behind loads of Registry entries generated by your music applications when they originally found the new hardware and added it to their list of available options.
No automated utility can be trusted to remove these, since it can't know what's safe to delete and what's not. However, one extremely useful freeware utility that I regularly use to help me do the job manually is Regseeker from Hover Inc www. Apart from a general-purpose 'Clean the Registry' function that's very useful for stripping out invalid items, missing files and bad references, it also includes a 'Find in Registry' function that's perfect for tracking down the final references to old hardware.
Once the search is complete, click on 'Select All' near the bottom of Regseeker's window, then scroll through the list to see if any stray references whose name accidentally incorporates that of your search term have been included. For instance, before I added that extra space character my search included various references to 'WmiApSrv' and 'WMIAdapter', but including the extra space character produced a list without unrelated entries. Any incorrect ones you happen to find can be individually de-selected from your list by ctrl-clicking on them with the left mouse button. After making sure that Regseeker's 'Backup before deletion' tick-box is ticked, right-click and select 'Delete selected items'.
I've been using Regseeker for several months and have never had a problem after doing so, but should you ever subsequently encounter error messages you can restore the deleted references by using Regseeker's Backup function. Work your way through these troubleshooting tips until you find the one that works and restore your Mac to its full glory.
How To. Blog How To News. Hit Return or Enter to search. What to do if your Mac USB ports are not working. Darina Stavniychuk. Explaining complex stuff very simply. Passionate about writing. Did you enjoy this post? Subscribe Now. May 04, Updated: January 11, CleanMyMac X.