First try any ports that are built into the motherboard, then try ports that are on an expansion card. If you have a tower, try plugging it in on the back of the PC, especially if you have been using the front connections. So, if none of that solves the problem, try connecting the keyboard into a different set of ports. You haven't spilled any liquid on it or let a sibling/friend that likes to drink at the desk use it recently have you? If you have them both plugged into something like a non-powered USB hub, this will remove the extra power needed for the functionality you are seeking from the keyboard.Īlternatively, the problem possibly sounds a little bit like there is a short or other electrical problem in the keyboard. These two cables need to be plugged into two separate ports. Google images and your description leads me to think that the secondary USB isn't plugged in and/or isn't getting any power from the port. Make sure both USB cables are plugged in. Check for any debris or dirt in the USB connector. Make sure you double check the cord for damage. So, we also need to rule out hardware problems. They shouldn't be doing too much in the realm of power supply, which is what it sounds like your keyboard is having problems with. USB is a pretty set standard, and generally drivers for keyboards and other peripherals are more about the extra buttons, macro settings, and so on. However, this likely is a hardware problem and not a software problem. Ok, so I am assuming that you have tried downloading and installing the driver direct from dell without using any sort of update app. I use my system at night and was spoiled by the backlight keyboard. Please don’t tell me to get another keyboard. Dell Tech Support will gladly charge me a fee but I feel that is my sad story result if I can’t receive some support from you wonderful Redditors. I am sure the port is sound as other devices function fine. I have checked that the USB item is found in the BIOS as keyboard but Windows doesn’t know what to do with all the software claiming no device that meets its parameters is plugged in. The keys all function under the test function. I know it is the power supply aspect of the keyboard as no lights for Caps Lock/Number Lock/Function Lock appear. Device Manager shows one exclamation point with an Unknown Device Code 43 stoppage under the USB section. It worked in XP but 7 does not acknowledge the power supply USB. It is cosmetic at worst and frustrating as I have tried every version of Alienwares Command Center (Drivers) and every option as far a USB porting as I can. There is an issue with my Alienware (Logitech) TactX keyboard that Windows 7 does not appreciate. Having finally installing Windows 7 64bit on my formally XP sp3 box has me rather confused on one issue that I have done all I know to do with no resolution.
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