If the fan doesn’t spin but the the laptop makes noise, probably it’s coming from the hard drive. Back up all personal data as soon as possible and replace the hard drive.
Also, you can remove the hard drive and stat the laptop. If the laptop still makes noise, most likely it’s bad fan.
– Failed DC power connector. If the battery charges only after you adjust the position of AC adapter tip inside the connector, most likely this the DC jack failed.
In order to troubleshoot this, you’ll need some spare parts: either new working inverter or known good backlight lamp.
A lot of laptops make a beep when you plug in or unplug the power adapter . This might indicate a problem with the power adapter cord or the power adapter itself, or the jack inside of the computer.
A laptop that overheats causes damage.Before this happens, the laptop should shut itself down.If you smell, a burning odor,the fans never run or the fan runs all the time, be careful to avoid ruining lappy.
When no sound is coming from your laptop, it can be frustrating. The no sound issue occurs can be due to several reasons, like faulty audio drivers.
If the problem persists, then boot into your Windows System Recovery Disk. Once booted into the System Recovery Disk, choose the options Repair your computer and then Troubleshoot.
If the screen goes black it indicates that there is a problem with the voltage level of the power supply or that somehow the connections supplying the power are going more resistive.
Since your keyboard doesn’t work, connect your laptop with a mouse either wired or bluetooth one & Check.
If your laptop refuses to charge the battery here’s what you need to do: Open the Device Manager by searching for it or right-clicking the Start button and selecting Device Manager.
One of the most common causes of the “cooling system” message is a malfunctioning cooling fan. Your laptop fan could stop working if it becomes too clogged with dust or any damage
To check if the USB device is faulty, simply unplug it (‘Eject’ it if it’s a USB storage device) and plug it into another computer.