Many HP all-in-one functions can be accessed directly, without turning on your computer. Tasks such as making a copy, sending a fax, or printing photos from a memory card can be accomplished quickly and easily from your HP all-in-one. This chapter describes the HP all-in-one hardware features, control panel functions, and how My laptop started making crackling noises like taping or cracking. I got worried then I examined, its fan was blocked due to the appliance of force and putting some heavy things upon the laptop. Whenever you hear any crackling noises coming from the laptop, you must find the cause.
Even if the noise isn't coil whine, it doesn't mean that whatever it is is causing a problem. For example, if your computer makes a noise each time you're doing something like burning a movie to a disc or ripping music from a CD, that's just the optical disc drive—it's normal to hear the disc spin.
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