Wired mac keyboard not working after unplugging
I got a second of the same keyboards off eBay. It so maddening, seeing that it will actually work right for a short time. So, it will work right, it just won’t continue to work right. But after that minute, or once for a few minutes, back to double letters. Oddly, it will work for maybe a minute when I first plug in, whether I have cleaned it with the alcohol first or not, as long as it has been unplugged long enough.
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And then shaking it out gentle and turning it upside down, letting that dry for a week or more.
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I have tried a NVRAM reset, and SMC reset, used a USB extension cord, and yes, used 99% electronics alcohol to see if it will do something to clean something and solve the problem - taking the key top off and putting a small amount of the alcohol on the board there and swishing it around. But all the other keys on the keyboard work fine. I have been unable to get it to stop typing two letters when I type one of those keys.
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When I type a letter on either side, the letter in the same row on the other side types with it, as in: It is wired.īut my issue also includes four keys on the opposite side of the keyboard, 2, w, s, and x. Thank you for using Apple Support Communities.I have a similar issue with the same keys on an Apple aluminum keyboard, with the numeral pad on the right side. If you see your device listed in the pane but it doesn't work, you may want to contact the device's manufacturer for assistance. To rule out the port, plug the device into another USB or FireWire port on your Mac and then check System Profiler again (press Command-R to refresh the window). If you don't see your device listed in the pane, the issue could be with the device itself or your computer's USB or FireWire port. Open System Profiler (from the Apple menu, choose About This Mac, then click More Info) and then click either USB or FireWire.
Wired mac keyboard not working after unplugging software#
If the device is working now, there may be a software conflict between the device and something in your original user account. If you don't have another computer available, log in to another user account on your Mac (or create a new user account and log in to it), and test the device again. If you have another Mac available, try connecting your device to that other computer to see if it works. If you're using a particular application that uses the device in question (for example, you're using Image Capture with a USB scanner), try quitting the application and then opening it again. When you find the device that causes the issue, contact the manufacturer for assistance (check both manufacturers' websites for software updates and additional information). Connect your other devices to your Mac, one by one, making sure to test that each device works before making another connection. If you do have a conflict, you can determine which devices are affected. If your device works now, there may be a conflict between that device and one of your other USB or FireWire devices. Then, connect the device in question directly to your computer. If it does, you should replace the problematic cable.ĭisconnect all USB or FireWire devices (including hubs and extension cables) except for your Apple keyboard and mouse. If you have another known-good cable, try swapping the cable to see if that works. Some devices need to draw power from a USB or FireWire port to work if you connect a device to a non-powered hub (one that isn't plugged in to a power source) or to a low-power port (such as the one on your USB keyboard), it may not work. If you connected your device to a USB or FireWire hub or to a port on another USB or FireWire device that's connected to your Mac (known as daisy chaining), connect your device directly to a port on your computer. I would use the troubleshooting from the following article to help you get that resolved, named:Ĭonnect your device to a different USB or FireWire port on your Mac.
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It sounds like you are unable to use your keyboard, as it doesn't seem to respond to anything when you are logged into your account even after resetting the SMC, but other devices work to the same usb port.