I have physically inspected the two USB ports on the laptop, and see no damage. Here is a short video of what it is doing.Īlso, the touchscreen no longer works, and no longer appears in the Human Interface Devices, and Monitor just shows generic PnP monitor. The Device Manager constantly cycles to show this error and then to not show it. I see in the Device Manager a unknown usb device (device descriptor request failed) under the USB Serial Bus Controllers. Then I noticed a USB icon kept flashing on and off on the taskbar. The Toshiba "Sleep and Charge"software that operates the powered USB port to charge devices when the laptop isn't on began to cycle it notification that it is ready just above the clock on the desktop taskbar. The laptop then began to kind of go into a loop. When plugged in, got the "USB not recognized - The last USB device you plugged into the computer Malfunctioned." It originally had Win 8.1 64Bit installed, and since it was upgraded to Win 10 64Bit.Ī few days ago a backup thumb drive was inserted into one of the external USB ports to copy over some files. I have a Toshiba Satellite Radius P55W-B5224 model laptop.
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