If you want to say something we have comments area but in your comment please specify product of your discussion or your comment will be automaticaly ignored ! One of the USB ports on my desktop computer stopped working after I had plugged in a USB device and removed it without ejecting. So after doing a bit of reading online, I came across a Microsoft article that told me I should go ahead and uninstall the USB Host Controllers under USB Serial Bus Controllers in Device Manager. What was really funny was that the connected USB mouse and keyboard worked fine in the BIOS and it even worked when I loaded a different operating system on my dual boot system, but the instant Windows 7 started up, it would kill all power to the USB devices. Now every help article I was reading that said click on this or uninstall this driver or download XYZ was completely useless because I had no input device to click on anything!
The first article I read when searching for this problem mentioned attaching a PS2 keyboard and mouse and then getting access. Click on System Restore and you’ll get the familiar dialog box where you can select a restore point.
Once you restore, you should be good to go and have access to your keyboard and mouse again. This probably won’t help because the problem is related to Windows, but you can give it a shot. If you don’t have a restore point, then the last resort option is to perform a repair install.
The process is fairly long and it will take some time, but it’s better than having to re-install Windows altogether.
You can also read the repair install guide for Windows 8 created by EightForums, the same site as SevenForums, just for Windows 8 stuff.
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This is a discussion on Usb keyboard and mouse not working at login, but still works in BIOS HELP!(desperate) within the Windows XP Support forums, part of the Tech Support Forum category. I have been trying to troubleshoot and fix this for hours and cant seem to find any solutions.
It doesn't work because by this point in the boot sequence, the USB keyboard is no longer recognized. If there is not a floppy drive installed(most of them do not have one) Set the Floppy controller to disabled. Try booting into safe mode(by tapping F8 while booting) do the mouse and KB work in safe mode? Step 2: After entering into BIOS screen, navigate to the Advanced settings, and find USB configuration. Step 4: Your computer will now reboot, if still keyboard and mouse are not responding then plug them to try plugging them in into different USB ports. Now search for the USB controllers containing exclamation mark next to them, disable and enable them again.
If you are unable to solve the keyboard not responding problem after applying solution 1 then don’t worry, in this trick you have to manually install your keyboard on your system. Step 1: Right-click on the Start button and select Device Manager to open the device manager window. Step 2: After opening Device Manager navigate to the all devices with a yellow exception mark in front of them.
To fix different errors such as Windows Installer Errors, Windows Startup Errors, Active X Control problems, Active X Errors, Registry Errors and many others exe errors, you should try an automatic method to get rid of all these errors. Back-up Registry – You can take backup of your system registry, it allows user to create registry backup so you can use it in any system crises. Built in scheduler – It comes with a built in scheduler that scan your PC automatically after a fix time of interval. Deletes empty registry Keys – Through this tool you can make your registry database error free, it can removes all the unwanted registry keys from Windows. Checks invalid Class Keys – It can also check invalid class keys from windows system and help to run smoother. Scans for Invalid Program shortcuts – This tool also fix all types of invalid application shortcuts. However, once the installation software loads and I'm prompted to select a language, Windows does not detect either the mouse or keyboard.
I've tried multiple USB ports, and 2 different key boards (I only have 1 mouse) and nothing has worked.
I have combed through the user manual for your motherboard and it should work out-of-the-box with Windows 7. You haven't given us any details about your PC (motherboard, keyboard, mouse make and model). This may seem counter-intuitive but Windows 7's USB stack is fully operational during setup. Knowing this, you can overcome possible BIOS USB bugs by booting into Windows seutp exactly as you did, wait until the choose language screen appears, then without turning the computer off or rebooting unplug the keyboard and mouse and plug them back into different USB ports. When you get into BIOS setup, trawl through all the various menus and sub-menus and try find the following options.

Try not just just switching, but rebooting with the keyboard and mouse already plugged in to 2.0 ports. It might not recognize new hardware after its booted, or hardware in the 3.0 ports while booting. If you don't have a Win8.x DVD you can obtain a free enterprise evaluation ISO from Microsoft. For the benefit of newbies who may find your answer, can you expand it a little to explain where and how to do this? Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count). Not the answer you're looking for?Browse other questions tagged windows-7 keyboard mouse .
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Many Mac users go with the full sized Apple wired keyboard rather than a wireless keyboard so that they can have a dedicated number keypad on their keyboard. There isn’t a dedicated Num Lock key on the Apple Wired Keyboards, and that applies to many of the third party USB keyboards built for Macs too. Try both of those separately, and then try to type numbers using the numeric keypad again, this should resolve the issue in most cases.
If you tried Clear and Shift+Clear to no avail, you probably have a setting enabled in the accessibility options of OS X that is preventing the numeric keypad from acting exclusively as a means of typing numbers. The most obvious indicator that Mouse Keys is the reason the numeric keypad is not working is that when you type a number, the mouse cursor moves very slightly, thus if you try to type a bunch of numbers the mouse cursor on screen may seem to jiggle around a bit in a small area.
And speaking of keyboards, this reminds me of the other weird keyboard decision but in the iOS world – the weirdo Caps Lock and Shift key! On an iOS device when the shift key arrow is white and the key is grey you will be typing lower case alpha characters.
I just upgraded to IOS8 on my iPad and now my Lodgitech Bluetooth wireless keyboard no longer seems to work with the upgrae. My new keyboard on my imac, the number keys stopped, I tried many , eventually I had other silly problems and shut down to reboot, on startup a suggestion came on the screen regards this and it said to press option key 5 times and it worked. Thank you for this tip, it worked for me, i only had to work around it because i have MagicMouse2, so I went to Accessibility and when i checked off “enable mouse keys” IT WORKED! During the POST (Power On Self Test), when the PC is running up for a power-on or a reset, the USB keyboard input is managed by the BIOS routines, if set up to do so. You have to explicitly specify the BIOS has to manage the PnP mode (and not the operating system), to obtain the USB keyboard recognised during this phase. Verify this and, on change, save, exit the BIOS and reset the PC to control if the USB keyboard is now alive. It must be clear that no boot manager loads any keyboard device-driver so it expects the BIOS to manage the USB keyboard correctly! From this point on, problems related to the USB keyboard have to be conducted, in some way, to the Linux operating system configuration issues (and in rare cases to bugs).
Not the answer you're looking for?Browse other questions tagged keyboard lg or ask your own question. After that, you just have to restart your computer and Windows should find the hardware again and install it. After about an hour I started getting nervous that I would actually have to reinstall the OS, but thankfully the last solution I tried finally worked. You can pretty much be sure it’s not disabled if you can still use your USB device while in the pre-boot environment. I was really lucky because I had just installed a program the day before and Windows created a restore point for me automatically. I tried logging into Safe Mode also, but the keyboard and mouse still refused to work, so that was a dead end.
This will replace the mouse and keyboard drivers with the original ones and you should be working again. SevenForums has an awesome tutorial that walks you through the whole process and explains all the caveats, etc.
Again, you don’t lose any data, but you should have a working mouse and keyboard again. If not, post a comment here about what you tried, where you got stuck, etc and we’ll try to help. To open BIOS screen you need to press Del or F8 (the key might depending on the motherboard manufacturer) just after first screen appear.
If keyboards are not working then they are most-likely located under Human Interface Devices (HID) and keyboards. Automatic method is suggested because there are various errors that are not fixed with any manual resolution, a professional PC Error Scanner will allow you to deal with all types of issues related to Windows system without doing anything manually. It also checks Shell Extension, invalid Help Files, Invalid Shared known DLL’s, invalid Paths and more.
I inserted the windows 7 ultimate disk into the drive, and when prompted, pressed a key to boot from the CD.

Yikes Z97 chipset, in my conservative world that still counts as bleeding edge :-p I am now 100% certain that your issue is related to a BIOS setting. If the keyboard and mouse still doesn't work even on Windows 8.x setup, then it's likely something dodgy is up with your motherboard. Once Windows was installed, all the USB ports work fine, including the ones on the front of the case. Sometimes that numeric pad seems to randomly stop working though, and suddenly numbers don’t type at all, which can be frustrating to say the least.
It can also be helpful to summon the onscreen virtual keyboard on the Mac to make sure the key presses are registering as intended, though this is mostly for visual affirmation and not necessary for troubleshooting. However, you can achieve the same function by hitting the CLEAR button on the numeric keyboard.
This setting is called Mouse Keys, which allows a user to control the onscreen cursor using the number pad on an extended keyboard. This is not always very obvious though because the Mouse Keys feature is intended to be precise and allow for fine manipulation of onscreen elements, thus you should always check for the setting when troubleshooting the matter.
Subscribe to the OSXDaily newsletter to get more of our great Apple tips, tricks, and important news delivered to your inbox! Also totally unclear whether it’s on or off, nobody can tell you, the button resembles nothing, so you just touch it a bunch and start typing to see if it works. Been using the stupid number keys over the top of the keyboard forever, but I love this Logitech keyboard I have.
The work computer I’m at had Mouse Keys turned on in Accessibility, all I had to do was get that turned off, but I never would have found it on my own. Cannot get it to do anything but weird text (like mouse keys — but those are turned off). But when I try to type something with the keybaord nothing happens (but the touchpad works).
If, in spite of the precedent set-up, the BIOS continues refusing to recognise the USB keyboard (e.g. PnP is the procedure to set-up extension cards and some on-board' chips connected to the PCI bus. If you’re lucky enough to still have PS2 ports, then you just need to find an older keyboard and mouse to use to gain back access. The only way to enable a USB keyboard after your disabled USB in the BIOS is to either use a PS2 mouse or remove the CMOS battery off the motherboard! If you have a dual boot system or a multi-disk system where you have to choose which drive you want to boot from, go ahead and select that OS or disk from the list and the instant after you press Enter, press and hold the F8 key. Unfortunately, at this point, I haven’t been able to find any other guaranteed solutions outside of PS2 ports and system restore. You just have to open your case and find the little round battery on the motherboard, which is usually easily visible. I graduated from Emory University in Atlanta, GA in 2002 with a degree in Computer Science and Mathematics. This application is packed with very easy to understand user interface especially for the normal user or those users that don’t have any technical skills. We can assume that Gigabyte expects most folks to be installing Windows 8.x, and has a default out-of-the-box configuration that supports that. You may need to hit Shift+CLEAR instead, depending on your individual keyboard and settings.
So you can only tell by mashing a bunch of things and figuring out if something starts working.
As USB controllers in your computer (both on-board as the eventually added expansion cards) are connected to the PCI bus, they have to be set-up by the BIOS to have the USB keyboard working at the early POST phase. I’ve done this before and normally it works just fine, but this time around my luck failed again and instead of having that one dead USB port working again, all of my USB ports were dead! In this article, I’m going to go through the different steps you can take to try to regain access to your system if you currently have no mouse or keyboard access. In order to do that, you’ll first need to get into the Windows 8 System Recovery Options dialog.
Download and install this application and the rest task will be executed automatically by this.
Fortunately, for almost every occurrence where the number keypad has stopped working with a Mac keyboard, the resolution is easy.
You can also fix any types of system driver issues with the help of this software; it provides the facility to debug driver related problems. Now you don’t need to suffer from your sluggish system because its advance technology can turn an old system into a brand new computer.

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