Laptop fan became abnormally loud but does not switch on

Hi @lehlohonolop143

Try a full power refresh in case the BIOS has become corrupted and is preventing a normal start i.e the laptop is not passing POST (Power On Self Test)

Here’s the procedure:

a). Disconnect the charger if connected.

b). Open the laptop and disconnect the main battery from the motherboard and and then remove the coin cell RTC battery from the motherboard. Here’s the hardware maintenance manual for the laptop.

Go to p.38 to view the procedure to disconnect the main battery, and then remove the coin cell battery from its holder on the motherboard. When the coin cell battery is removed from the laptop, use a DMM (voltmeter function) to measure the battery’s voltage. If it is <2.5V DC or if it's >4-5 years old, replace it. It's a CR2032 Lithium coin cell battery that is available most everywhere.

c). Press and hold the laptop’s Power on button for 30 seconds and then release. This will restore the BIOS back to the factory default settings.

d). Reinsert the coin cell battery (or replacement battery) on the motherboard (+ve on top as marked on the battery)

e). Reconnect the main battery to the motherboard, reassemble the laptop, connect the charger to the laptop and check if it turns on OK,

If it does there may be a message on the screen about the date and time being incorrect. This is normal as the BIOS has been reset. Once the date and time have been corrected, the message won’t appear the next time that the laptop is started.