Keyboard and mouse HID client drivers. 15 minutes to read. Contributors. In this article This topic discusses keyboard and mouse HID client drivers.
Keyboards and mice represent the first set of HID clients that were standardized in the HID Usage tables and implemented in Windows operating systems. Keyboard and mouse HID client drivers are implemented in the form of HID Mapper Drivers. A HID mapper driver is a kernel-mode WDM filter driver that provides a bidirectional interface for I/O requests between a non-HID Class driver and the HID class driver. The mapper driver maps the I/O requests and data protocols of one to the other.
Windows provides system-supplied HID mapper drivers for HID keyboard, and HID mice devices. Architecture and overview The following figure illustrates the system-supplied driver stacks for USB keyboard and mouse/touchpad devices. The figure above includes the following components:. KBDHID.sys – HID client mapper driver for keyboards. Converts HID usages into scancodes to interface with the existing keyboard class driver.
MOUHID.sys – HID client mapper driver for mice/touchpads. Converts HID usages into mouse commands (X/Y, buttons, wheel) to interface with the existing keyboard class driver. KBDCLASS.sys – The keyboard class driver maintains functionality for all keyboards and keypads on the system in a secure manner. MOUCLASS.sys – The mouse class driver maintains functionality for all mice / touchpads on the system. The driver does support both absolute and relative pointing devices.
This is not the driver for touchscreens as that is managed by a different driver in Windows. The system builds the driver stack as follows:. The transport stack creates a physical device object (PDO) for each HID device attached and loads the appropriate HID transport driver which in turn loads the HID Class Driver. The HID class driver creates a PDO for each keyboard or mouse TLC. Complex HID devices (more than 1 TLC) are exposed as multiple PDOs created by HID class driver. For example, a keyboard with an integrated mouse might have one collection for the standard keyboard controls and a different collection for the mouse.
The keyboard or mouse hid client mapper drivers are loaded on the appropriate FDO. The HID mapper drivers create FDOs for keyboard and mouse, and load the class drivers. Important notes:. Vendor drivers are not required for keyboards and mice that are compliant with the supported HID Usages and top level collections.
Vendors may optionally provide filter drivers in the HID stack to alter/enhance the functionality of these specific TLC. Vendors should create separate TLCs, that are vendor specific, to exchange vendor proprietary data between their hid client and the device. Avoid using filter drivers unless critical. The system opens all keyboard and mouse collections for its exclusive use. The system prevents disable/enabling a keyboard.
The system provides support for horizontal/vertical wheels with smooth scrolling capabilities. Driver Guidance Microsoft provides the following guidance for IHVs writing drivers:. Driver developers are allowed to add additional drivers in the form of a filter driver or a new HID Client driver. The criteria are described below:. Filters Drivers: Driver developers should ensure that their value-add driver is a filter driver and does not replace (or be used in place of) existing Windows HID drivers in the input stack. Filter drivers are allowed in the following scenarios:. As an upper filter to kbdhid/mouhid.
As an upper filter to kbdclass/mouclass. Filter drivers are NOT recommended in the following scenarios:. As a lower filter to the HID transport (e.g. HIDI2C).
As a filter between HIDCLASS and HID Transport minidriver. Function Drivers: Alternatively vendors can create a function driver (instead of a filter driver) but only for vendor specific HID PDOs (with a user mode service if necessary). Function drivers are allowed in the following scenarios:. Only load on the specific vendor’s hardware. Transport Drivers: Windows team does not recommend creating additional HID Transport minidriver as they are complex drivers to write/maintain. If a partner is creating a new HID Transport minidriver, especially on SoC systems, we recommend a detailed architectural review to understand the reasoning and ensure that the driver is developed correctly.
Driver developers should leverage driver Frameworks (KMDF or UMDF) and not rely on WDM for their filter drivers. Driver developers should reduce the number of kernel-user transitions between their service and the driver stack. Driver developers should ensure ability to wake the system via both keyboard and touchpad functionality (adjustable by the end user (device manager) or the PC manufacturer). In addition on SoC systems, these devices must be able to wake themselves from a lower powered state while the system is in a working S0 state.
Driver developers should ensure that their hardware is power managed efficiently. Device can go into its lowest power state when the device is idle.
Device is in the lowest power state when the system is in a low power state (for example, standby (S3) or connected standby). Keyboard layout A keyboard layout fully describes a keyboard's input characteristics for Microsoft Windows 2000 and later versions. For example, a keyboard layout specifies the language, keyboard type and version, modifiers, scan codes, and so on. See the following for information about keyboard layouts:. Keyboard header file, kdb.h, in the Windows Driver Development Kit (DDK), which documents general information about keyboard layouts. Sample keyboard in the MSDN Code Gallery. To visualize the layout of a specific keyboard, please review to the “Windows Keyboard Layout” article in MSDN.
For additional details around the keyboard layout, visit Control Panel Clock, Language, and Region Language. Supported buttons and wheels on mice The following table identifies the features supported across different client versions of the Windows operating system.
Client has the problem on a Gigabyte GA-EP45-UD3LR board using Windows 7/64 Pro with 2 x sata hdd, memory card reader with 4 slots connected to mobo usb socket - card reader working fine when I insert sd card. (mouse/keyboard are ps2) All okay for 11 months, and then for the last 2 she's been getting USB devices not recognised when inserting flash drives (I've tried mine with the same result). Tried uninstalling all USB entries in the device manager, removing all power, while it starts to recognise devices, it seems to get very confused, and finally we get back to devices not recognised. I also note that the allocation of drive letters is all over the place. System drive is C, dvd is D, memory card slots are E-H, second hdd is I - however when I momentarily had some success before it went pear-shaped again, I noticed that the flash drive was I, and the second hdd was J. I also noticed that the Disk Managemnet function in the Control Panel wouldn't load during these problems. Seems to me like a windows issue?
Anyone got any other ideas apart from uninstalling and turning the power off? Common Solutions to Fixing USB Device Not Recognized Errors First things first – always make sure your USB device drivers are up-to-date. Missing, corrupt or outdated device drivers are responsible for a lot of PC errors. After ensuring your drivers are updated, try the following solutions (in order): 1.
Unplug your computer. Don’t just turn it off with the power button, you need to actually unplug the cable from the power supply for at least 1 minute.
This often resets your USB hub on your motherboard. Remove the battery. If you computer is a laptop, remove the battery for at least 2-3 minutes before plugging it back in and restarting Windows 3. Uninstalling root hub drivers.
If steps 1 and 2 above do not work, try the following: Unplug all USB devices from your computer. Go to Device Manager in Windows 7 Uninstall EACH Root Hub USB Driver. Power off your computer and UNPLUG THE CABLE FROM THE POWER SUPPLY, just don’t shut it down. Reconnect the power supply cable and turn your computer on after 2-3 minutes.
Reconnect each external USB device. Mouse, keyboard, thumb drive, etc.) 4. If you still have issues and cannot get rid of “USB device not recognized” error messages you can try disabling USB 2.0 devices which should remove the error message and “fix” the problem (although it’s more of a band aid then an actual solution) but your USB devices will now run at the slower USB 1.1 speed. Similar help and support threads Thread Forum I have recently had to reinstall Windows 7 Home Premium. Originally I had an LG Bluetooth Wireless Soundbar working ok but since the reinstall I cannot get it to work.
A4tech Keyboard Drivers
The PC recognises the soundbar but when it looks for a Driver it says none can be found. I do recall originally that I had a bit of. Hardware & Devices Using an Asus X54C laptop intel core i3 win7 64bit home premium sp1. All the sudden, usb ms mobile mouse 3000 v2 quit.
It works in any other computer. Logitec wireless mouse that used to work in the laptop plug and play no longer will, these work in other comp. Also the usb external Seagate HD. Hardware & Devices Hey, I'm experiencing frustrating issues with my playback and wondered if you guys could help? Basically I noticed when I turned on my laptop that there was no sound coming out of my Headphones, only the speaker. It was in the right jack as there are only two its not that hard to get right haha. Sound & Audio Hi, I am running windows 7 ultimate x64, acer aspire laptop 5742.
I have 1 USB port that works with whatever i plug into it, the other 2 i have on my computer do not work, one is un responsive and does nothing when you plug anything into it and the other continually recognises and unrecognises. Hardware & Devices Our Sites Site Links About Us Find Us.
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Hello, My mouse cursor and is so irratic and keeps sticking, when l try and move it. Then it will suddenly be over the other side of the screen.take ages to try to click on anything, l have put anti-virus run through it, but says theres no problem, l changed the batteries, but still the same problem.
The mouse is a HiPoint 3D optical mouse. L hope that some body can help me find the problem thank you in advance If only all computers were easy it fix or never went wrong, we'd never have forums to help. I'm wondering if you've got some sort of EMI causing the problem. This would explain why a new wireless mouse is also having problems. When you tried it on your friends laptop, was it over at his house or was his laptop in the same vicinity as your desktop? Have you put any new electrical devices in your house. Anything like a device with an electric motor, desktop fan, air conditioning, flourescent lights, new TV, stereo, cable box, electronic device?
One more thought, what type of surface is your mouse on? Glass & plexiglass can cause problems with optical mice. Other surfaces can cause problems as well. Try different surfaces.
THX 1138, interesting about the EMI theory, lthe only thing l can think of what l installed near my computer (about 4-6 feet away) was a wireless printer, but lm sure that it work when l installed it. This all started about 7 weeks ago, keep trying the pc now and again, but always the same problem. L use a standard mouse mat, which lve always used before when it was ok.
Derek, Yes it was working fine up untill 7 weeks ago. The dongle was the same distance as before (10 - 12' away from dongle). L have tried different usb ports, but same problem If only all computers were easy it fix or never went wrong, we'd never have forums to help. Well, although I've not had much trouble with wireless mice, it certainly seems a bit over the top to reload the system because of it. Re-install is only part of it - getting the system back the way you liked it can take days, even weeks if you've added much to it.
Sometimes the software you want has vanished, so you come unstuck unless you kept the downloads. It's highly likely that a corded mouse will work, and a wired connection is unbeatable - same goes for networks for that matter. Always pop back and let us know the outcome - thanks. Dod infosec policy.
I've got an HP WX4300 workstation running XP Pro SP3, and a USB keyboard problem. No USB keyboards will work on this PC.
PS2 are fine. When I plug in 1) Microsoft Comfort Curve 2000, 2) Microsoft Natural Keyboard Pro or 3) generic USB keyboard with hotkeys, XP displays the 'Found New Hardware' wizard, and fails to find the correct drivers to install. On a working system, this wizard should never appear when plugging in a USB HID compliant keyboard.
Note: -The USB ports are fine: all the above keyboards function 100% in the BIOS, as well as in Linux running from a live CD.I have tried all the USB ports on the PC, all function identically.The comfort curve 2000 used to work on this machine when directly plugged in, and when connected via a KVM.I recently removed the KVM from the machine, and that is when USB keyboards stopped functioning, either directly plugged into the USB or through the KVM.This condition exists in Safe Mode as well as in normal mode. Steps I have done so far: -In device manager: I have uninstalled everything mentioning 'keyboard' 'comfort curve' or 'HID'/'Human Interface Device'. Upon reboot, the New Hardware Found wizard comes up again.in device manager, I have also uninstalled all the USB Root Hubs.
Upon reboot, the USB hubs reinstall as expected, and then the 'New Hardware Found' wizard comes up again trying to find drivers for the keyboard.on a working machine, I noted all the drivers reported in device properties for the keyboard. I copied those driver files from the working machine over to the non functioning machine. Upon reboot/ reinsertion of the keyboard, the wizard comes up yet again.installed the intellitype manager. No success there. I am 1 step away from levelling the machine and starting from a new install, but would prefer to not do this. Any suggestions would be welcome!
Hi Newfuturevintage,. When it tries to install the drivers for keyboard, do you receive the option to install the drivers manually? However, you may follow the steps below and check if it helps to fix the keyboard issue. Step 1 You may try to contact the computer manufacturer or access the computer manufacturer’s website and try to check and download the latest chipset drivers and firmware for your computer and install it. Later check if the keyboards are detected. Step 2 While the computer tries to install the drivers, if it gives you the option to select the drivers from the list and install it manually, you may try to install the drivers manually from the list and check if it helps. Step 3 You may try to uninstall the IntelliType software on the computer from Add or remove programs.
Later restart the computer and reinstall the IntelliType software and check if it helps. Access the link below to download the latest software for your keyboard. You may also access the link below and follow the steps in the article to troubleshoot the USB issues on your computer and check if it helps. Hope this helps. Let us know the results. Thanks and Regards, Srinivas R Microsoft Support.
Visit our and let us know what you think. Yes, when it tries to install the drivers, I do receive the option to install manually. I have tried pointing the wizard at the c: windows system32 and c: windows system32 drivers folders. I have also tried 'choose device from list', and picking the closest relatives to the Comfort Curve 2000. This also fails.
I have now tried updating the BIOS firmware and updating to the latest chipset drivers for my HP machine, this did not resolve the issue. I have also tried uninstalling intellitype, this also does not resolve the issue. I have also tried the KB/310575 tips, and this also does not resolve the issue. Any other suggestions? Hi future, If you're using a, I suggest plugging the device directly into the USB slot on the computer. The files that you've copied from the working machine to the non-working machine are likely pointing to a file that did not get transfered. I think we might be able to update that driver through Windows update like this: This will temporarily disable the keyboard, but you should be able to to follow through with the mouse.
While connected to the Internet, open the Device Manager and locate the keyboard (should be under 'Keyboards'). You might have to click on the arrow to the left of 'Keyboards' for the entries to drop down.
Double click on the entry for the keyboard, click the Driver tab at the top of the window that opens, then click Uninstall. There will be a box labeled 'Delete the driver software for this device' in the next window that pops up, like this: This example is of a video card entry, but you get the gist. Click in the box to put a check mark there, then click OK. At that point, you'll lose the use of your keyboard. You can click 'Action' then select 'Scan for hardware changes' in the Device Manager.
This should download a new version of the keyboard driver, and hopefully restore function to the keyboard. Chris Microsoft Answers Support Engineer Visit our and let us know what you think. Hi future, If you're using a, I suggest plugging the device directly into the USB slot on the computer. The files that you've copied from the working machine to the non-working machine are likely pointing to a file that did not get transfered. I think we might be able to update that driver through Windows update like this: This will temporarily disable the keyboard, but you should be able to to follow through with the mouse. While connected to the Internet, open the Device Manager and locate the keyboard (should be under 'Keyboards').
You might have to click on the arrow to the left of 'Keyboards' for the entries to drop down. Double click on the entry for the keyboard, click the Driver tab at the top of the window that opens, then click Uninstall. There will be a box labeled 'Delete the driver software for this device' in the next window that pops up, like this: This example is of a video card entry, but you get the gist. Click in the box to put a check mark there, then click OK. At that point, you'll lose the use of your keyboard.
You can click 'Action' then select 'Scan for hardware changes' in the Device Manager. This should download a new version of the keyboard driver, and hopefully restore function to the keyboard. Chris Microsoft Answers Support Engineer Visit our and let us know what you think. Hi Chris- Thanks for the advice. I am not using a USB hub with this keyboard, it's going directly into a USB port on the motherboard. I followed along with your suggestion to delete the driver, but my warning dialog 'you are about to uninstall this device from your system' does not give me the option 'delete the driver software for this device', neither for the keyboard, nor any other device in the device manager. To restate, I am on XP SP3.
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Further, I never get to the point in installing the USB keyboard that a driver is ever installed, so XP has no drivers to install.