common hardware problems facing in laptops
TRANSCRIPT
COMMON HARDWARE PROBLEMS FACING IN “ LAPTOPS “
BY
AMCSQUARE
A VENTURE OF WISE MACHEINES INDIA PVT LTD
Laptop makes noise while runningThe laptop turns on and everything works fine, except it makes some constant weird grinding or rattling noise.
Possible problemIn most cases this noise is coming from the cooling fan or hard drive. Take a closer look at the cooling fan.
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.
Screen light failsThe laptop starts properly but after a while the screen light turns off. The image still appears on the screen but it’s very dark.
In some cases the screen light never starts and all you can see is a very faint image.
Possible problemMost likely it’s either failed screen inverter or backlight lamp (CCFL) failure. When either one fail, the backlight stops working.
In order to troubleshoot this, you’ll need some spare parts: either new working inverter or known good backlight lamp.
Laptop shuts down or freezes
The laptop runs properly but after a while it freezes or shuts down without any warning. When it happens, the bottom feels hot. Also, the cooling fan runs louder than usual.
Possible problem
Most likely this is heat related issue. It happens because the fan heat sink is clogged with dust and the processor not cooling down properly. Cleaning the fan and heat sink from dust should fix it.
Strange or garbled image on the screen
The laptop turns on properly but has a distorted or garbled image on the screen.
Possible problem
The graphics card failed. First of all, test your laptop with an external monitor or TV. If you see the same garbled image on the external screen, most likely the graphics card failed.
If the problem appears only on the laptop screen, this can be related to one of the following: poor connection between the video cable and motherboard or screen. Also can be failed video cable or screen.
HURRY ………
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