What should I do if my computer doesn’t respond after I turn it on after installing it?

The computer does not respond when turned on, which makes users very frustrated. This article is brought by php editor Apple and will explore this issue in depth. We'll analyze the potential causes of this failure and provide step-by-step guidance to diagnose and resolve the issue. Through this article, you will learn about the common factors that cause your computer to become unresponsive when starting up, and learn practical methods to solve the problem.

What should I do if the computer doesn’t respond when I turn it on after installing it?

4 situations when the computer does not respond when it is turned on and their solutions:

Situation 1: Observe whether the computer’s power indicator light is on. If the power indicator light is not on, then it is very difficult. There may be a problem with the power supply.

Solution:

1. Replace the power strip to see if it is broken

2. If there is no problem with the power strip, the power supply may be broken. Needs to be replaced.

Situation 2. When the computer indicator light is on and the CPU fan inside the computer is running normally, let’s check the monitor to see if the monitor power indicator light is on. Is the monitor data cable connected well? At the same time, observe whether the computer keyboard and mouse indicator lights are on.

Solution:

1. 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.

Situation 3: CPU problem

If there is no problem with the power supply and the monitor itself is good, but there is still no sound or video, there may be a problem with the CPU, including the CPU not being plugged in properly ( The direction of the first pin of the SOCKET 7 CPU is incorrect or the CPU is not fully inserted), the overclocking is too aggressive, the frequency is adjusted too high, and the CPU cannot run at all, and the CPU core voltage adjustment is out of range. If the above After the problem is solved, it still cannot be started. It may be that the CPU itself is broken. Try changing to another CPU.

Solution:

You can go to a computer repair center to find a professional to check. If it needs to be replaced, you can replace the CPU. If the problem is with other motherboards, you can consider replacing it.

Situation 4: Others

If the first three checks are completed, the problem still cannot be found. It is possible that the hard drive cable is connected backwards. Note that the side with the red core should be closest to the power interface. It may also be caused by poor contact between the graphics card, memory and motherboard, which may also result in no display at boot.

After changing the power supply of the computer, the monitor does not respond?

It may be that there is a problem with the power supply or the power is not enough to drive the hardware in the machine, so the boot fails. If there were no problems with the same configuration and equipment before, but problems occur this time, it is related to the power supply. The power supply is the guarantee for the operation of the computer. Problems with the power supply will cause the computer to malfunction. It is recommended to check the power supply system.

The monitor doesn’t respond after the mini computer is started?

The first one is a memory problem. If it is a memory problem, unplug the memory and wipe the memory with an eraser again. This problem can be solved. The second one is caused by static electricity. If This phenomenon is caused by static electricity. You can solve the problem by directly removing the battery from the motherboard. Finally, installing the battery can solve the problem. Through these two methods, you can completely solve the problem of the computer not responding when it is turned on.

After the computer starts, the monitor does not respond. Is the keyboard normal?

The monitor does not light up, indicating that the display data cable is not firmly connected or there is a problem with the monitor itself. If the keyboard and mouse are on, it means the computer is running normally. Check whether the video cable is connected to a valid interface of the graphics card output and whether the interface can work normally. Can the indicator light of the monitor light up? If not, it means there is a problem with the monitor circuit and it needs to be repaired.

After the desktop computer is turned on, the monitor goes black and the keyboard does not respond?

01

If it is a desktop computer, there is a wire between the desktop computer host and the monitor. If the vga wire is loose or broken, try another one;

02

Then after we turn on the computer, the motherboard will usually make a "di" sound, indicating that the boot is successful, which means that there is no problem with the motherboard; then it is most likely that the independent graphics card is loose or damaged;

03

If there is no sound, just no response, the computer does not respond and the monitor does not respond, then it is most likely caused by poor contact of the memory module. It is recommended to disassemble and pull out the memory. Wipe the memory stick with an eraser, and then plug it back in;

04

Today’s computers, such as laptop motherboards, will not make a beep when the motherboard is turned on normally. You should observe this situation Check whether the lower fan is rotating;

05

If it is a desktop computer, we can judge by replacing the power cord or monitor. If other monitors can, it means that the motherboard or circuit of the monitor is damaged. ;

06

If the monitor shows no signal problem, then it is a problem with the vga interface or the vga video cable, or the switching mode is wrong.

Special Tips

You don’t need to follow the above steps, you can operate according to the actual situation.

Can’t turn on the computer after blue screen? The monitor is unresponsive?

The monitor does not display, it is due to hardware reasons.

1. There are many reasons for the blue screen of death. Poor hardware contact is a common cause. It is recommended to re-plug and unplug the hardware, especially the gold fingers of the graphics card and memory. Use an eraser or paper to wipe them. If there is more than 1 memory, it is recommended to Try unplugging one and swapping slots. Unplug the power cord of the host, press the power button, and then plug in the power cord to turn it on.

2. Unplug both ends of the monitor data cable and plug it in again.

3. Try changing the hard drive.

4. It may be caused by insufficient power supply. It is recommended to check the power supply or replace it.

5. Check the filter capacitors in the motherboard and power supply box, and replace any bulging capacitors. Remove all external devices, leaving only the motherboard, CPU, memory, graphics card, and power supply, and see if it can boot.

The computer cannot be turned on after blue screen, and the monitor is unresponsive?

Answer: Solution: The first is to click on Update Security from Settings, click on Recovery, click on Start, click on Enter Recovery Mode, and let the computer recover automatically. Second, click the power button and long press shift to restart into recovery mode.

When you cannot enter the host interface, you should first force shut down and then restart. After three consecutive times, you can force into recovery mode. Find Reset this computer in the troubleshooting section, click Keep my files, and wait for a while. After that, you can reset the system. After entering the main interface of the computer, you will be shown various applications automatically deleted by the computer, so that the blue screen problem can be solved.

Blue screen problem caused by hard disk failure

Hard disk failure is generally a lifespan problem caused by long-term use. It is also very simple to detect it. Right-click the mouse to select the disk that needs to be checked, and click Properties. , click Tools, click Check directly, scan the drive and wait for a while.

Have you just installed the computer?

Hello friends: After assembling the computer, you need to test the host immediately to see if it can light up, that is, you can see the English interface of the BIOS. If you can see it, you can use U The system can be installed on the USB flash drive. Of course, the USB flash drive contains startup files and system files, so that the system can be installed. Whether it is a solid-state or mechanical hard drive, the system can be installed without removing it. I hope it helps you, and I wish you happiness~~

The motor doesn’t respond after the electric curtains are installed?

Because the power switch of the electric curtain has the consequences of an open circuit, and the power switch cannot be energized after the consequence of an open circuit, so the motor does not respond, the motor cannot be energized, and cannot be used normally

Computer hdmi connection Is the computer monitor unresponsive after turning on the TV?

1. TVs are equipped with HDMI cables. HDMI cables are the bridge between computers and TVs. The cables include audio and video;

2. Computers need to be connected to the TV with high-definition HDMI cable, then the computer must support this interface, such as laptops, which are generally supported now. If you want to use HDMI, check carefully;

3. In the past, three red, white, and yellow cables for video and audio were used. For input and output, later using vga for transmission, now HDMI input and output are added. When we buy a TV, we should also check whether the next one supports it;

4. Connect the computer and TV through HDMI cable, two interfaces The types are the same. If you can plug them in, it means they can be matched, and then the computer is debugged into high-definition mode;

5. When selecting HDMI, there are HDMI1 and HDMI2 behind the TV. If you choose the wrong one, it will not be displayed. .

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