Table of Contents
The computer host is powered on and does not respond when it is turned on, but the mouse light is on
What should I do if the computer cannot start after the computer power is connected?
The computer motherboard is powered on, but the fan is spinning. Why can’t it be turned on, and the display screen is not responding?
What should I do if the computer has power but cannot be turned on?
What should I do if the computer host cannot be turned on after being plugged in?
Why the computer has power but cannot be turned on
Home Hardware Tutorial Hardware News The computer motherboard is powered on but cannot be turned on (the motherboard is powered on

The computer motherboard is powered on but cannot be turned on (the motherboard is powered on

Mar 05, 2024 pm 05:52 PM
ASUS computer Can't turn on the machine)

The computer motherboard is powered on but cannot be turned on (the motherboard is powered on

The computer host is powered on and does not respond when it is turned on, but the mouse light is on

How to troubleshoot the problem that the computer cannot be turned on: Step 1: First check the external wiring of the computer Check whether they are connected properly. Re-plug each connection to see if the fault is eliminated.

If it still doesn't work, consider the graphics card is damaged, then replace it with a new one. \x0d\x0aIf the monitor does not have power (the indicator light does not light up), look at the back of the monitor, plug the power cord plug connected to the monitor upwards, and check whether there is power from the other end of the power cord to the socket.

The reasons and solutions for why the computer cannot turn on are as follows: The first reason is that there is a problem with the computer's power supply, such as switching transistors, fuses, rectifier diodes, large filter capacitors, etc., and the export cannot be done. The power supply cannot output voltage and current. The host will naturally not be able to turn on without voltage and current.

The monitor does not respond when the computer is turned on, but the keyboard light is all on. Press the uppercase/lowercase switch key on the keyboard. If the light is on, it means there is a fault with the graphics card, monitor, hard drive, or motherboard display circuit. If the keyboard light is on, it may be a problem with the monitor, display cable, graphics card, motherboard, or hard drive.

Plug in the power cord tightly, check the plug on the plug board, and confirm that the plug board is powered on. Confirm that the wire from the host power supply to the plug-in board is good, then take the power supply and connect it to the 24P plug on the motherboard, short-circuit the green and any black wires. If the power fan is spinning, it means there is no problem with the power supply. If the power fan is not spinning, it means the power supply is broken. Replace it with a new one. power supply.

What should I do if the computer cannot start after the computer power is connected?

Check whether the monitor and host cables and connectors are connected. If the external monitor sees that the system has started normally, you can check whether the switch button above the keyboard used to turn off the power supply when the display is closed is normal.

Press and hold the power button for about 1 minute; (3) Then do not connect the power supply device and leave it for about 30 minutes; (4) Do not plug in the battery after leaving it alone, only use the external power supply for power supply, connect the power supply first On the machine side, connect it to the socket and see if it can be turned on.

The specific operations are as follows: The boot sequence is blocked, which can be solved by pressing the DEL key after booting to enter the CMOS settings. Select the second item on the main page: Advanced BIOS Features.

The computer motherboard is powered on, but the fan is spinning. Why can’t it be turned on, and the display screen is not responding?

The computer cannot be turned on, but the display light is not on. The host can be turned on, the fan is spinning, and the keyboard and mouse are not working. Bright. What should be the cause is poor hardware contact.

Fault phenomenon: After turning on the power and pressing the power button, there is no movement from the computer. Checking ideas and methods: It may be a power supply problem. Please check whether the power socket and power cord are normal.

The graphics card fan is damaged, causing the graphics card to overheat and stop working. This is a self-protection mechanism to prevent the chip from burning. In this case, please shut down the computer immediately and replace the fan of the graphics card, which should return to normal.

The reasons why the fan turns on but the monitor does not respond when the computer is turned on are: monitor connection problems, graphics card problems, memory problems, power supply problems, and motherboard problems. Monitor connection problems The first thing to check is whether the connection between the monitor and the computer is normal.

What should I do if the computer has power but cannot be turned on?

Check whether the power supply is normal: check whether the wire is plugged in tightly, whether the power supply is normal, see if there are lights on or the electric fan is rotating, check Is the power switch button turned on? Unplug peripherals: Unplug all peripherals such as USB flash drive, hard disk, optical drive, mouse, etc., and then restart the computer.

Replace the power adapter: If the power adapter is damaged, you need to replace it with a new one. Replace the battery: If the battery is low, you need to replace it with a new one.

Power supply problem: The power supply may not provide enough power to start the computer. This could be caused by a power failure, power line failure, or power overload. Internal connection problems: The connections inside the computer may be loose or damaged, preventing the computer from starting.

Check the signal indicator first. If the screen is completely black and there is no response when pressing the power button, there is only the power light. It is also possible that the laptop cable is damaged and needs to be replaced. Of course, the reason why the laptop broke is uncertain, but it is probably caused by bad usage habits. Pay attention to maintaining your computer on a daily basis.

Q: The laptop can be charged but cannot be turned on: There may be the following reasons: Battery failure: Although the laptop can be charged, the battery may be damaged or aged and cannot provide enough power to start the computer.

What should I do if the computer host cannot be turned on after being plugged in?

First unplug the computer host and plug in the power adapter to see if it can be turned on. Maybe the power supply is broken and the power is not enough to carry the machine. Just replace the power supply. It may be that the power supply module on the motherboard is broken.

Disassemble the host chassis. The methods of opening the host chassis are different, so you can disassemble it according to your own situation. I won’t talk nonsense here. Find the battery button on the motherboard. There is a small battery on the motherboard and remove it.

The power cord is loose, or the power strip is loose, or the strip is not powered. The host power supply is broken. The computer's motherboard is broken. The switch button on the main unit is broken, or the button is stuck. Solution: Plug in the power cord tightly, check the plug on the plug-in board, and confirm that the plug-in machine is powered on.

Reasons why the machine cannot be turned on: 1. Memory problem: it doesn’t work in any slot, nor does it work on other machines. You can only replace the memory. The buzzer usually makes an abnormal sound. 2. Compatibility issues: Other machines can be used, but this one cannot. Or a single stick can be used separately, but two sticks cannot be used.

The motherboard jumper is installed incorrectly. If such a problem occurs, you should first check whether the interface of the motherboard jumper is installed correctly. If you are really not sure, unplug them all and short-circuit the two "Power" wires with a metal object. Pin, if it can boot normally, then the first thing to rule out is the core hardware problem.

Solution to the problem that the computer case cannot be turned on: Tool materials: ASUS Computer (LAPTOP-NITROJRK), Windows7 64-bit Home Edition. Step 1: If there is no response when turning on the computer, it does not necessarily mean that the motherboard is broken. Generally, after most motherboards are powered on, the indicator light on the motherboard will also light up. If not, the indicator light on the motherboard will light up.

Why the computer has power but cannot be turned on

1. Power supply problem: The power supply may not provide enough power to start the computer. This could be caused by a power failure, power line failure, or power overload. Internal connection problems: The connections inside the computer may be loose or damaged, preventing the computer from starting.

2. The power socket problem. First of all, we need to eliminate this external factor. Sometimes the plug is loose and the computer is not powered on at all, so the first thing to do is to check whether all plugs are powered on. 2. Memory stick. If the computer cannot be turned on, there is often a problem with the memory module, especially if the computer has not been used for a long time.

3. Reasons why the machine cannot be turned on: 1. Memory problem: it doesn’t work in any slot, nor does it work on other machines. You can only replace the memory. The buzzer usually makes an abnormal sound. 2. Compatibility issues: Other machines can be used, but this one cannot. Or a single stick can be used separately, but two sticks cannot be used.

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