Microsoft Ps 2 Keyboard Driver

[Beverly Denmark]

Whiletroubleshooting PS/2 keyboard and mouse problems in Windows 8.1, in Device Manager I uninstalled the grayed out "Microsoft PS/2 Mouse" and "Standard PS/2 Keyboard" and rebooted. Those drivers did not reinstall (like I believe they would do in older versions of Windows) when I boot with just a PS/2 keyboard and mouse connected. In Windows 8, how do I reinstall those two drivers?

I've also tried Device Manager > Action > Add Legacy Hardware > where I've tried "Have Disk" and have chosen each of C:\Windows\inf\keyboard.inf and msmouse.inf and still nothing. If I choose list all drives at C:\Windows\inf I can't find "Microsoft PS/2 Mouse" or "Standard PS/2 Keyboard" to manually install (even though both keyboard.inf and msmouse.inf are at that location).

With a USB keyboard and mouse connected, configured Device Manager to also show non-present devices by making this change to the registry which requires Administrator privilege and a reboot for the change to take effect:

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment]

devmgr_show_nonpresent_devices"=dword:00000001

After rebooting,

(a) disconnected the USB keyboard leaving the USB mouse still connected,

(b) started Device Manager,

(c) under View checked the Show hidden devices setting,

(d) expanded "Keyboards" and Uninstalled each USB and PS/2 keyboard that was there,

(e) expanded "Mice and other pointing devices" and Uninstalled each USB and PS/2 mouse that was there except for the one being used. Then Uninstalled the USB mouse that was being used and immediately disconnected that mouse (preventing it from re-installing).

At this point only the PS/2 keyboard and mouse were connected, which were not working.

Used the power switch to shut down the computer. With only the PS/2 keyboard and mouse connected, pressed the power switch to start the computer and, at the first sign of the Windows 8.1 logo appearing on the monitor, turned off the computer with the power switch. Did this a second time. Using the power switch started the computer for a third time but let Windows 8.1 boot all the way up. While booting, a "Windows is updating..." message displays during the boot and the status lights on the PS/2 keyboard were seen to flash.

When Windows 8.1 was fully booted, both the PS/2 keyboard and mouse where working and in Device Manager under Keyboard was a "Standard PS/2 Keyboard" that was not greyed out and under "Mice and other pointing devices" was a "Microsoft PS/2 Mouse" that was not greyed out.

I got the same issue. I am a Help desk and most of our agents who have HP devices are having this issue and it is preventing them to access their remote desktop because the system is detecting that update that needs to be installed. I've checked other threads and running the wushowhide troubleshooter from Microsoft and DISM tool wont do any help.

I will give this a try, because the last time I tried to check the updates using the HP Assistant, the update for "Hewlett-Packard Development Company, L.P. - Keyboard - Standard 101/102-Key or Microsoft Neutral PS/2 Keyboard for HP Hotkey Support" didn't show up .

So why this driver : "Hewlett-Packard Development Company, L.P. - Keyboard - Standard 101/102-Key or Microsoft Neutral PS/2 Keyboard for HP Hotkey Support" keeps showing up if it is already installed? We cant tell the agents to ignore it since their remote desktop detects the driver update and it wont allow them to open it.

I'm also waiting for that patch that will provide permanent resolution on this one. It was funny that when I assisted an agent and she was with HP support doing a remote session with her laptop, they cant figure out what causing the drivers not to installed on the devices, and they already reset the laptop.

We found a workaround (cause we need to get them on the phone), we just suggested the agents to use a USB keyboard and keep on deleting the PS/2 driver on Device Manager (it keeps on coming back after the restart though), but c'mon, we need a permanent fix on this one.

Things are getting worse because for the past days, we have been receiving reports from the agents that another HP driver (Hewlett-Packard - Enterprise WSD Multi-Function Printer, Multi-Function Printer, Other hardware - HP Printer (BIDI)) is having an issue installing (aside from the Keyboard driver) that hinders them from logging in to their remote desktop. Good thing that we found a temporary fix to get rid off of those updates, but it was a tedious workaround.

But still wants to be installed. My laptop (in the last 3 days) has started running very slow compared to normal and the fan is constantly running even though the laptop is is cool, CPU usage is under 2-3% and the fan is running like a dog.

I am fully aware that the easiest way to do this would to use an active PS/2 to USB converter, like this nice one from Amazon, learning this from reading it here on Tom's hardware forums, here on the Lenovo forums, here on alt windows 10 forums, and even here on Wikipedia.

Through both stubbornness not to spend any money, and the fact that it will be a cool project and way to learn how this stuff works, I want to find a way, using software, to interface my laptop and the PS/2 keyboard/mouse using the adapters I bought

Is there a existing way to help Windows interpret the signals the adapted keyboard/ mouse are sending it?

or,

if not, which skills do I need to find a solution, and what is the quickest & easiest way to learn them?

If they do, it will work out of the box. If they don't, then you have the USB host controller in your PC speaking to the PS2 controller in your keyboard and mouse. But you can't reprogram the USB host controller to speak anything else besides the USB protocol, even if you are a crack firmware developer. Because there's no way to reprogram the USB host controller. In the same way, you can't change the PS2 controller in your keyboard or mouse to speak the USB protocol.

If you want a fun project, you will need a piece of hardware that is flexible enough to allow software to control it to such a degree that it can understand the PS2 protocol. So essentially you'll be writing software for an active PS2-to-USB adapter on a RaspPi, a microcontroller, or something similar.

It's possible that the mouse and keyboard implement both PS/2 and USB; on these devices, the passive connectors work. However, if this is not the case, you won't be able to use the PS/2 device over USB, since the device will not be sending coherent data to the USB controller.

It is theoretically possible, however, for you to wire the data and clock lines of the PS/2 device to input lines in your PC's parallel port interface (if it has one), and then write a Windows kernel driver to interpret the data. However, if you're going as far as to implement an active converter in software on your machine, it's probably easier to buy a pre-built USB-to-PS/2 active converter.

I just using Windows 11 on my LG Gram 17 2022 model, keyboards suddenly doesn't work after updating. I just wondering why.. but checking reddit or discussing with LG support, it is 'recognized issue' on 22H2.

_not_working_after_win11_22h2_update/

I just wondering why it is happend on it, PS/2 driver will be removed/discontiued on the latest? how about the workarounds? Microsoft does NOT clarify such a issue, rathe

The last time that I booted in Windows XP Professional, the keyboard and the mouse stopped working after everything was loaded. Until then, they worked. Moving, clicking, scrolling: no cursor response. Num, Caps, Scroll Lock: the LEDs on my keyboard were frozen. Windows was working though. The WLAN icon was flashing and the system reacted properly when I pressed the power button on my case (soft Windows shutdown). After I replugged my mouse from the PS/2 port (PS/2-USB convertor) to the USB port, I was able to use my mouse and to use the On-Screen Keyboard (osk.exe in system32).

When I looked in the Device Management (yes, hidden drives were shown as well), there was no sign of any keyboard, not even in the HID list (but it normally was under the keyboard node). Also, the device tab in Keyboard settings (of the Control Panel) didn't show any keyboards at all.

I tried to scan for new devices. No success. I tried to install the keyboard driver, but there was no driver in the list at all, and most drivers turned out to be disappeared or replaced by a line of absolute garbage (screenshot at , my system language is Dutch by the way. 'Algemeen' means 'Generic'.).

So I grabbed the WinXP setup cd, copied the files KEYBOARD.SY_, KEYBOARD.DR_ and KEYBOARD.IN_ to a folder, extracted them using "expand" and tried to install the .inf file. No success. The file names were correct, but Windows reported something like "the device specified in the file was not found on the system". This probably means that the PS/2 controller is turned off or not recognised by Windows.

But Fedora Core 2 can work perfectly with the keyboard and the mouse. It doesn't matter where the mouse is, either PS/2 or USB works great. Also, the BIOS tells me that all PS/2 features (they were scattered over several menus :x) were enabled.

So I tried to reinstall Windows after I backed up everything I wanted to keep. I boot the PC from the CD (pressed Enter to indicate that I actually wanted that), I get the blue installation screen, I don't press F6 to install non-Microsoft drivers or F2 to start a system recovery, drivers get loaded, screen gets black, screen gets back to blue and I get the initial menu that tells me to press Enter (Install), R (Recovery Console) or F3 (exit setup).

In case you can give me a hint (except for cleaning up my motherboard, reconnecting it, resetting BIOS, trying other PS/2 devices, because I have tried that without any positive results), I thank you in advance. I badly need to run in Windows, since all my media is on NTFS and Linux can't change any files on that partition (it's on the primary slave HDD, not the master).

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