Why does my computer power keep growling, and then I can t turn on when I remove the battery

Plug it in to see if it can be turned on? If it can't be opened, it's a battery problem. There are two basic reasons why it can be opened, the CPU fan is too dirty, and the hard disk is broken.

This "sizzle" sound: the inductance of the power supply is emitted, and the fan of the power supply is emitted.

In the PC system, the backup UPS occupies a considerable proportion, when the power grid suddenly fails, the backup UPS will switch the power supply, but this generally takes 2 10ms switching time (depending on the specific performance of the UPS), so during this period, the power supply itself needs to be able to maintain a short power supply by the power stored in the energy storage element, and the holding time of the general high-quality power supply can reach 12 18ms to ensure the normal power supply during the UPS switching.

Mainframe Power Supply:

Mainframe computers are sensitive to power distortion or interference called "noise." Noise is mainly caused by disconnecting an inductive circuit that causes a transient spike, or by the brush mechanism of the motor coming into contact with the commutator piece. These distortions in the power supply can cause computer accidents or cause computer errors.

To avoid this, mainframe networks need a "high-quality" power supply. A computer can be powered by a ring or radial circuit, and the power supply can be as close as possible to the power supply line that supplies power to the building. Reliable grounding can also be obtained from this one.

It is usually a core in the cable, not a shield of the SWA cable, and is distributed around the terminal wiring circuit.

The above content reference: Encyclopedia - Computer Power Supply.

1. The city voltage is too high, or the power supply is small, and the load is too heavy. If the mains voltage is too high, an additional regulator can be added. If the hardware power consumption in the host is large, this power supply can bear it, and change it to a power supply with high power.

2. The inductance coil and transformer in the power supply cause the inductance noise you said due to poor dipping paint or poor design, which generally will not affect the use, except for replacement, there is no way to solve it.

3. The inferior capacitor in the shock detection source, or the burst capacitor will produce a sizzling sound after being energized, and replace the problematic capacitor.

Computer power supply repair method:

1. Detect faults. First see if the power supply is burnt, and if so, replace the power supply. If not, use a multimeter to measure whether the power supply connector of the power supply has power and what the voltage is. If the connector is powered normally, proceed to the next step.

2. There is a fuse inside the power supply, which can be fused to form self-protection when overvoltage, at this time, as long as the fuse is removed from the spring frame and replaced with a new one. The process only requires a screwdriver, and there is no technical content in the operation, so it is very simple.

3. As long as the warranty period is exceeded, the computer repair company will generally not repair the hardware when it is damaged, but will only sell you a new one and install it for you. Although there is a certain risk in do-it-yourself maintenance, there is still a glimmer of hope, and it doesn't matter if it can't be repaired, it needs to be replaced with a new one anyway. So, don't worry, especially with this simple and easy repair.

Operating computer: Lenovo thinkadp15v

Operating system: Windows 10

The reasons why the computer power is rattling are as follows:

1. It may be that the voltage is too high, or the power supply is small, and the load is too heavy. If the mains voltage is too high, another voltage regulator can be added; If the hardware power consumption in the host is large, this power supply can bear it, and change it to a power supply with high power.

2. The inductance coil and transformer in the power supply will not affect the use of the inductor noise caused by poor impregnation or poor design, and there is no good way to solve it except for replacement.

3. The inferior capacitor in the power supply, or the pulp capacitor will produce a sizzling sound after being energized, and replace the problematic capacitor.

Usefulness of the computer:

1. Information processing. Information processing, also known as data processing, refers to the general term for the collection, storage, leakage, processing, transmission and output of a large amount of data in scientific research, production and economic activities. Information processing is currently the most important application field of computers, this kind of processing may not be complicated, but the amount of data that needs to be processed is very large.

2. Scientific computing. Scientific computing, also known as numerical computing, refers to the computer to complete scientific research and engineering technology and other fields involved in the complex and data operation, scientific computer is the earliest application field of the computer, such as aerospace, military, meteorology, bridge design and other fields have complex mathematical problems that need to be calculated by the computer.

3. Process control. Process control, also known as real-time control, refers to the use of computers to collect detection data, and quickly adjust the automatic control of the control object according to the best value, so as to achieve effective control. Before the process control returned to boredom, it involved a wide range, such as automatic control of industry and transportation, and the follow-up and control of missiles, artificial satellites, and aircraft.

Summary. Hello, according to your description, it may be that the battery is malfunctioning. A faulty battery may cause your computer to not start properly or even make a squeaky sound.

When you remove the battery, the computer turns on normally, indicating that the problem caused by the battery failure has been resolved. It is recommended that you try to replace the battery first, if the problem persists, there may be a problem with the internal hardware of the computer, it is recommended that you contact a professional computer repairer for inspection and repair. Also, if you don't use the battery for a long time, it is recommended to take out the battery and store it in a dry, ventilated place to avoid aging or damage to the battery.

At the same time, it is also necessary to pay attention to the way the battery is charged and used, and avoid overcharging or over-discharging to prolong the service life of the battery.

The computer squeaks when the battery is turned on, the computer has a black screen, and you can't enter the page, and it turns on normally when you take off the battery, and it doesn't ring, what is the problem?

Hello, according to your description, it may be that the battery is malfunctioning. Battery failure may cause the computer to not boot properly or even make a squeaky sound. When you remove the battery, the computer turns on normally, which means that the problem caused by the battery failure has been solved.

It is recommended that you try to replace the battery first, if the problem persists, there may be a problem with the internal hardware of the computer, it is recommended that you contact a professional computer repairer for inspection and repair. Also, if you don't use the battery for a long time, it is recommended to take out the battery and store it in a dry, ventilated place to avoid aging or damage to the battery. At the same time, it is also necessary to pay attention to the way the battery is charged and used, and avoid overcharging or over-discharging to prolong the service life of the battery.

I thought it was a problem with the battery, I bought a new battery and replaced it, and it was still like this.

Not a battery issue.

In other words, the computer cannot be turned on with a battery.

If there is an internal hardware problem, it may be a problem with **.

It is mainly connected to the motherboard power cable, CPU power supply, hard disk power cable, optical drive power cable, and chassis switch cable.

There are so many possibilities. The specific ones have to be taken to the store for maintenance.