Repairing Lenovo G470 won't Boot only Power Led on
Introduction:
Some laptops suddenly shuts off and never turn-on again. This happens when some of its pheriperals and components malfunctioned. Or there will be a short circuit either in the motherboard or on its connected components.
This time we will try to troubleshoot what exactly the problems of a specific laptop that won't turn on and power led light turn on in one second. Yesterday our client bring a laptop on us and she said that her laptop won't turn on and only the power led light turn on in one second. Her laptop is Lenovo G470 - storage of 750GB, memory of 2GB RAM, processor Intel Core i3-2370M (2nd Gen) 2.4Ghz speed. The Silent Learner will try to fix the problem of Lenovo G470 laptop that won't turn on and power led light turn on in one second. Below are some tips and steps on how exactly determine the symptoms of Lenovo G470:
1. Remove the RAM and clean the pins with eraser.
2. Remove the CMOS battery for at least 10 to 15 minutes.
- Removing the RAM and CMOS battery will clear the current settings in the Bios septup. After removing the RAM and CMOS battery that attached in the motherboard of the laptop, put it back and turn on the laptop. "After removing the RAM and CMOS battery, the device is still not turning on."
3. Remove the battery and hold the power button for at least 15 minutes.
- Holding the power button while the battery to drain the any residual electrical charge from the capacitors.
4. Disconnect everything, open the laptop by removing the cover and connect the battery. Turn on the laptop.
- If the CPU fan not spinning, suspect the motherboard is the problem and need to repalce.
Some sites states that try to replace the thermal paste in the CPU but the same thing happen, the laptop still not turning on.
Conclusion:
The motherboard is the main problem why the laptop won't turn on and only the power led light turn on in one second. Try to buy a new motherboard of the Lenovo G470 and it will be fixed. We suggested our client to buy a new motherboard on her laptop and the laptop works fine again. If you have a suggestions and have an ideas on how to fix a laptop that won't turn on and only the power led light turn in one second, feel free to comment below this post or contact us so that we update this post and add your suggestions.