The motherboard does not respond when the computer is turned on

Desktop computer does not respond when turned on

1. Check whether the host is powered on normally. Check whether the power supply from the power board is normal, and then check whether the chassis power supply is turned on. If it is turned on, you can see that the power supply fan rotates normally.

2. Unplug the power, press the power button of the host several times, and then try to turn it on. If the above method does not work, disconnect the power and try opening the console panel. Find the button-sized component, which is the BIOS battery. There is a spring on the outer ring of the battery for fixation, and the battery can be removed by pressing it. Put it back after a few minutes.

3. There is a problem with the power supply of the chassis. Please check whether there is a 5V standby voltage and whether the connection between the motherboard and the power supply is loose. If you cannot measure the voltage, you can try to find a different power supply and try it. Motherboard problem, if there is no problem with the above two, then the possibility of motherboard failure is relatively high.

4. The desktop computer does not respond when pressing the power button. The operation method is as follows: first confirm whether there is a problem with the power contact, that is, confirm whether the plugs are plugged in properly. If they are not plugged in properly, that is, there is no power, then there is no problem. Can't boot.

5. \x0d\x0a It may be that the chassis power button and hard reset button cannot be reset after being pressed in, resulting in an endless loop and failure to start normally. \x0d\x0aListen to see if the host makes a beep when turning on the computer. If so, the motherboard is starting up. You can check the signal cable and graphics card.

6. Check whether the socket is powered on. Check whether the power cord is in good condition and whether it is damaged. You can use a multimeter to measure or replace the power cord to rule out the problem. To check whether there is a problem with the desktop power supply, you can also use a multimeter to measure or replace it.

What is the reason why the computer does not respond when it is turned on?

1. There may be many reasons why the display does not respond after the computer is turned on. Here are some common possible reasons: the monitor power is not turned on or the power cord is loose. . The cable between the monitor and the computer is loose or not connected properly. The resolution of the monitor is inconsistent with the computer settings, resulting in the inability to display properly.

2. The reasons why the computer suddenly fails to turn on and does not respond when pressing the power button are as follows: Check whether the power supply is not connected or the computer has no power. If it is out of power, plug in the power and turn it on. Or there is a problem with the plug strip, causing the power to not be supplied, and the computer cannot be turned on without power.

3. Because the computer’s power strip is faulty. It may also be because the monitor switch of the computer is not turned on after the computer is turned on. It may also be caused by poor contact between the monitor power supply or the monitor data cable. Caused by not cleaning the dust on the motherboard for a long time.

4. The computer cannot be turned on, and there is no response when pressing the power switch. There are several possibilities for this situation: the power cord is loose, or the power strip is loose, or the strip is not powered on. 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.

5. The reason why the computer does not respond when pressing the power button may be as follows: Mains power problem - confirm that the socket has power, confirm that the power cord is OK, and ensure that the plug and socket (including the power side of the chassis) are plugged in. The connection is normal. Computer power supply problem - The power supply is damaged.

What to do if the desktop computer does not respond when it is turned on

1. Check whether the host is powered on normally. Check whether the power supply from the power board is normal, and then check whether the chassis power supply is turned on. If it is turned on, you can see that the power supply fan rotates normally.

2. Solution to the problem that the desktop computer does not respond when it is turned on: The desktop computer does not respond when it is turned on. First, we check whether the socket is powered on; secondly, we need to check whether the power cord is good and whether it is damaged.

3. First check whether the connection between the motherboard and the power-on button is loose, and whether the switch is normal. You can try shorting the switch with a wire. If it doesn't work, you can only try replacing a motherboard.

4. If there is still no display after turning on the computer, remove the battery from the motherboard and wait five minutes before putting it back. \x0d\x0a It may be that the chassis power button and hard reset button cannot be reset after being pressed in, resulting in an endless loop and failure to start normally.

What should I do if the computer does not respond when it is turned on? Solution recommendations

1. First check whether the external wiring of the computer is well connected, and re-plug each wiring to see if the fault is eliminated.

2. Solution: Try changing the normal monitor wiring to see if the monitor’s power cord and output cord are broken. If they are, they need to be replaced.

3. Solution to the problem that the computer power-on button does not respond: First, check whether the mains power supply and the socket have power. You can use an electric meter to test. Secondly, check whether the power switch button is damaged. Next, open the case and check whether the appearance of the host is abnormal and whether there is any peculiar smell.

4. What should I do if the computer does not respond when I turn it on? First check whether the external cables of the computer are connected correctly, and then reconnect each connection to confirm whether the error has been cleared.

5. What to do if the computer does not respond when it is turned on? First, check whether the host is powered on normally. At this time, you can check whether the power supply from the power board is normal, and then check whether the chassis power supply is turned on. If it is turned on, you can see that the power supply fan rotates normally.

6. The computer power-on button does not respond. The solution is as follows: Step 1: First check whether the external wiring of the computer is connected properly, and re-plug each connection to see if the fault is eliminated.

What should I do if the computer host does not respond when it is turned on and the power button does not light up?

When there is a problem that the computer cannot be turned on, we can first use the method of releasing static electricity. The specific operation method is to first unplug the power of the host, and then press the power switch of the host several times; if the above method does not work, we can also try to open the host panel.

There is something wrong with the power button itself. As a result, the power supply contact is poor, so there is no response when pressing it. This reason is very common, and the solution is to decisively replace the host button, or replace the button connection cables of the power button and reset button. There is a problem with the filter capacitor of the host power supply.

If it still doesn't work, you can take the computer to someone else's house and try it out to see if it can be turned on. If it still doesn't work, take the computer for repair. The computer host does not respond when pressing the power button. If the mouse lights up, it means that the motherboard is powered. Make sure the power indicator light on the host computer is on. If it is on, it may be a memory problem.

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