My laptop is dell inspiron 15R 5521.My laptop is not switching on.it is giving CONTINUOUS beep sound when i press power button.it is showing dell logo and then giving beep sound.when i try again after some days some times it is switching on,but when i open task manager my disk usage is showing 100% even though there is around 900GB free space.sometimes it is showing 100% CPU when no applications are running.i am not able to run large applications.Pls provide me a solution??
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