Answer to: How do I reset my TomTom watch?What type of TomTom watch do you have? In the case you have specified will have to perform the factory reset in recovery mode. There is a guide here that should help you. http://bit.ly/2oV0jyk
Answer to: Rhythmic whirring sound from my Dell InspironIt could be possible either your processor or processor fan needs to be serviced. Your thermal paste between the processor and the heat sink can become less efficient over time, and fans can become filled with dust or break. Try going into your bios or download diagnostic software to see how hot your processor is and lookup normal operating ranges of your processor.