How to repair the computer motherboard that won't turn on?

php editor Banana teaches you how to solve the problem of computer motherboard not booting! When the computer motherboard does not turn on, you can try the following maintenance methods: 1. Check whether the power cord is firmly connected and whether the power switch is turned on. 2. Unplug all external devices, leaving only core components such as the motherboard, CPU, memory, and graphics card. 3. Remove dust from the motherboard and check for burnt or damaged components. 4. Try replacing a different memory module or graphics card to eliminate the possibility of hardware failure. 5. Reset CMOS, discharge the power on the motherboard, and restore default settings. 6. If none of the above methods work, the motherboard itself may be faulty and needs to be repaired or replaced. Remember to use caution during repairs to avoid further damage. If expertise is lacking, it is recommended to seek professional help.

#How to repair the computer motherboard that does not turn on?

1. First clean the dust inside the host, check the condition of each line, check whether there are any lines that are not plugged in, loose or have poor contact, and check whether the power-on button is normal;

2. Remove the memory strip, use an eraser to wipe the gold finger of the memory strip, and then install and test. If it still cannot boot normally, replace the memory strip or memory slot and test;

3. Remove the graphics card and wipe the gold finger of the graphics card, install and test, if it still cannot boot No display, replace the graphics card and test;

4. Replace the power supply and test;

5. Remove the CPU and reinstall it for testing to rule out poor CPU contact. Since the CPU is almost not broken, there is generally no doubt about the CPU. , only if it still cannot be used normally after replacing the motherboard, the possibility of CPU damage will be considered;

6. Replace the motherboard and test; Generally, if the memory, graphics card and power supply are replaced, and the computer still cannot be turned on normally, then at this time You can preliminarily identify the motherboard failure. As mentioned before, the CPU is very rarely damaged, so if the memory, power supply, and graphics card are replaced and it still doesn't work, then it is usually a motherboard problem.

How to boot the motherboard directly?

1. Find the motherboard boot pin, usually marked PRWER SW.

2. Then use a flat-blade screwdriver to directly connect the two pins together.

3. The pin settings vary from motherboard to motherboard, but the English letters marked on the pins are the same, so you just need to match the numbers. 1. Press F1 when turning on the computer. This is because your BIOS settings are improper but the system can still boot normally. This is a non-fatal failure. Pressing F1 is asking you whether to continue.

If the floppy drive is not installed, but is set in CMOS, enable the floppy drive option.

The method is: turn on the computer and press the Del key, enter the BIOS settings, select the first "Basic Settings", and disable "Disabel" for the floopy setting.

How to turn on a computer without a case?

Step/Method 1

First make sure that the computer accessories and the motherboard are all properly connected.

Step/Method 2

Then we find the boot pin position on the computer motherboard.

Step/Method 3

You can use the switch cable to connect it to the motherboard.

Step/Method 4

Make sure the operating system has been installed on the hard disk. If the operating system has not been installed, you can first prepare a USB boot disk.

Step/Method 5

Power on the chassis and press the switch cable button. If you don’t have a switch cable, you can use a screwdriver to short-circuit the power and power-plugs on the motherboard. pin to trigger the computer to turn on.

Step/Method 6

After installing the operating system on the hard disk, you can directly enter the operating system. If there is no operating system on the hard disk, you need to press the keyboard to enter the U disk to start, and then install the computer. The system can be used after the installation is completed.

How to start the computer with a short circuit on the motherboard?

Method

1. Short-circuit the copper post of the power switch on the motherboard, and if that doesn’t work, remove the power from the motherboard

2. The most direct and effective method is Unplug the battery from the motherboard and put it back in after a few minutes. The motherboard can be restored.

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