What is the problem that the computer won t turn on?

This problem is very hard to say,Some BIOS can't initialize the hard disk information and don't display,You can take the hard disk down,And take down the memory to boot it up,And then install it,If the optical drive can't be opened,I think it's the strong current that hasn't been added.,You can take a look at the strong current port.,There's also a possibility that your graphics card is broken.,But if your memory is broken.,And there's an integrated graphics card.,There won't be a display.,What I can judge now is these problems., By the way, do you have a problem with the power supply? The last question is whether the power supply on your motherboard has been added? If you add it, you can consider the above problems, I have encountered a single problem in the company, and the combination is not necessarily the original reason, I hope mine can help you,

Unplug the power supply of the hard disk and try to see if it can be turned on, this problem should be a problem with the power supply, the power supply is aging, change the power supply.

If you can't see the self-test at boot and can't hear the memory alarm tone, then the cause is your motherboard circuit. This problem is generally impossible to solve by itself, and it has to be sent for repair.

The hard drive system is broken, or the hard drive data is not found at all.

Is there any sound when turning on the phone, but if you don't have it, there is a problem with the power supply.

Too much dust! Blow it clean and then talk about it.

Common reasons: 1. The power supply connected to the computer has problems such as abnormal power supply or poor contact. 2. The computer memory is too full, resulting in the system not being able to start normally, and this situation will also occur.

3. If there is a virus in the computer, there will generally be a blue screen when the computer is turned on, so it will not be able to run and boot normally.

Suggested solution: Hung Tsai.

1. First of all, you need to check the power supply connected to the computer to see if there is any poor contact. If there is a poor contact, it is only necessary to reinsert it. However, if the power cord is damaged and the power cord needs to be replaced after the power supply is disconnected, the computer can be restarted.

2. You also need to check whether it is caused by over-full memory, and the system cannot operate normally. If this is the case, you need to find a professional to reinstall the system on the computer, and restart it after installing the system to restore the computer to its normal state.

3. Sometimes in the process of use, you may click on an unsafe link, resulting in computer poisoning, in this case, you need to find a professional maintenance personnel to operate the computer, so that the computer can be restored to normal.

There could be a variety of reasons why a pro 3 computer won't turn on, here are some common possibilities:

1.Power issues: A faulty power burn or loose power cord can cause your computer to not boot. Make sure the power plug is securely connected and try replacing the power cord or using a different power outlet.

2.Hardware failure: It is possible that a hardware failure such as a motherboard, processor, memory, or hard disk prevents the computer from turning on. In this case, you may need to contact a professional computer repairer for repair and repair.

3.Display issues: If your display doesn't have a signal or isn't displaying properly, it can cause you to think your computer won't turn on. Please check that the power supply and cable of the monitor are working properly, and try connecting to a different monitor or TV for testing.

4.Software Issues: Corruption of the operating system or boot files can cause the computer to not boot properly. You can try starting your computer in safe mode or recovery mode, or repair it using an installation or startup disk.

If you are unsure of the specific cause or are unable to solve the problem on your own, it is recommended that you seek a professional computer repair service or consult a computer technician to help you solve the problem.

Power issues: A faulty power supply or an unplugged power cord can cause your computer to not start properly.

Hardware failure: For example, hardware problems such as memory and hard disk may also cause the computer to fail to boot properly.

Software dusting issues: Errors or corruption in the operating system can also cause the computer to not boot properly.

BIOS Setup Issues: Incorrect BIOS settings may also cause the computer to fail to boot properly.

Other reasons, such as driver key order problems, overheating, etc., may also cause the computer to fail to boot normally.

If the keyboard light is not on, it may be that the host shirt is not lit, and you need to detect the motherboard, memory and other hardware aspects.