I hav dell xps L501x.my touchpad is notworking..even any usb mouse coonected to my laptop is not working but all the usb ports are working properly..i uninstalled the driver and installed a new one which i downloaded from dell website.but still it's not working..windows show an "Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39) " how could i fix it...
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