Why can t Tianyi F41 be charged when it is turned on 50

Check from the starting point of the power supply First of all, the power supply on the wall If you have the conditions, try it with a pen Or plug in something else to see if it is running normally If there is a socket, just see if the power light of the socket is on Because the quality of the socket is not up to par this year, so it is highly recommended to check Check whether the power lamp of the voltage regulator (that is, the lenovo that glows blue) is bright My book is f41a A colleague is f31 There are no quality problems with the voltage regulator But since there is a problem, it is inevitable that it will appear It is necessary to check whether the wire connected to the notebook and the voltage regulator has been dragged and folded, and then the power connection port of the notebook is dusty and easy to cause a short circuit.

Tianyi F41 intelligent shutdown charging.

Contact the problem It is better to do the system may be a system problem.

Check whether the power light of the voltage regulator (that is, the Lenovo that glows blue) is on My book is F41A A colleague is F31 No quality problems have been found in the voltage regulator But since the problem is inevitable It is necessary to check it Then the line connected to the voltage regulator Whether there has been a drag and fold phenomenon Then the power connection port of the book Whether there is dust It is easy to cause a short circuit.

Don't go to Lenovo to repair,Originally8400The graphics card is the graphics card of the Carmen incident,Lenovo was supposed to give the owner an automatic extension of the warranty for one year,I called myself to extend the warranty when it was broken,It won't take long to do this,It is recommended not to buy Lenovo,Buy other brands,I bought the f41a7757 machine at 6000,Spend money to repair 1500,I know that the screen is often blurred,No start,Black screen,Real experience,Absolute facts,Support Ding。

If any of the indicators do not light up, it is ruled out that the power adapter problem is that the motherboard has a short circuit point or a power chip problem. This needs to find a good technology, and the actual according to the adjustable power supply, look at the current, and then make a specific judgment to repair. By the way, this machine is an 8400 nvidia graphics card door machine.

The failure caused by the laptop not being used for a long time is mostly due to the corrosion and damage of the motherboard of the machine due to moisture, and you need to find a skilled and experienced maintenance personnel to help you try to repair it.

I don't agree with the proposal upstairs, F41A has been around for a long time, and it's not yet slaughtered by anyone to send it to the maintenance point. Try to boot the minimum system yourself, disassemble all that can be disassembled, leave the memory, CPU on the line, and then try to boot the machine. If the screen is still black and you won't turn it on, then go to the computer city to find a small shop to repair the computer and check it.

If you still want to use it, the most you can do is to change the motherboard. But the cost should be about 800. Those who have strong do-it-yourself ability can also change it by themselves.

However, the premise of maintenance is that you plan to continue to use it, and if you don't plan to use it, sell it, after all, it's an old machine.

Hello, you can try to unplug all the external devices of the host (including the power cord battery), press the power button 5 times at an interval of 2 seconds, and then connect the external power supply to power on the test. If it still can't be turned on normally, it is recommended that you go to the nearest Lenovo computer customer service center to test and solve the problem. Lenovo computer service outlets.

This should be the case that dust has accumulated inside your laptop, which affects the heat dissipation effect. The reason why the computer temperature is too high and automatically enters the state of protection. It is recommended that you get in touch with your local repair station to carry out the cleaning operation, and it should be solved.

At the same time, the engineer will give you some suggestions in the process of use, which can extend the cycle of your computer needs to be cleaned.

Method: Feel whether the air outlet is normal with your hands, whether the fan is working normally, if the fan is working normally, the air outlet is very hot and there is no hot air to send out, there may be dust blocking the noisy air outlet, you can clean up the dust in the machine: open the back cover plate of the fan, take out the fan, use a soft brush to clean up the dust in the open range, and clean the fan, do not leave the bristles inside, restore the installation.

Use appropriate foam blocks to pad the bottom four corners of the computer (staggering the position of the air inlet and the hard disk) to maintain the air intake effect and avoid bringing dust from the desktop into the computer. Use other ventilation equipment to cool down the base during use! If the fan is not working properly, replace it or find a professional to test it!