Why Won’t My Computer Turn On? – What to do?

Why Won't My Computer Turn On - What to do

There are many different reasons why a computer might not turn on, from a dead battery to a broken power cord.

If you’re having trouble getting your computer to turn on, take a look at the most common reasons why it might not be working and try some of the solutions listed here.

How to troubleshoot a computer that won’t turn on

First, check to make sure that the power cord is plugged in and that the outlet is working. If the cord appears to be plugged in but the computer still won’t turn on, try plugging it into a different outlet. If the problem persists, the next step is to check the battery. If you’re using a laptop, make sure that the battery is properly seated and that there’s no build-up of dust or dirt causing it to malfunction. You can also try resetting the battery by unplugging it and then plugging it back in. If none of these solutions work, the problem may be with the computer itself. In this case, you’ll need to take it to a qualified technician for repairs.

Check power button

The first thing to check is the power button itself. Sometimes, the problem is as simple as a loose connection. Make sure that the power button is securely attached to the computer. If it appears to be loose, try tightening it. If that doesn’t work, you may need to replace the power button. Fortunately, this is a relatively easy repair that you can do yourself. Just follow these steps:

1. Power down your computer and unplug it from the wall.

2. Remove the computer’s case so you can access the internals.

3. Locate the power button on the motherboard and disconnect it from the connector.

4. Take a close look at the connector to see if there are any damaged pins or burned areas. If so, you will need to replace the motherboard. Otherwise, just reconnect the power button and reassemble your computer.

5. Plug your computer back in and try powering it on.

Check power cables

Make sure that all of the cables are securely connected and that there is no damage to the ends of the cables. Also, check to see if the power switch is turned on. If it is, make sure that the computer is plugged into a power outlet. If everything looks normal, try pressing the power button again. If the computer still won’t turn on, there may be a problem with the power supply or motherboard.

Check internal wiring

If your computer won’t turn on, one possible issue could be faulty wiring. While it’s not the most common problem, it’s still worth checking if you’re troubleshooting your computer. To check the wiring, first, make sure that the computer is unplugged from any power source. Then, open up the case and take a look at the wires going to the motherboard. If you see any bare wires or frayed insulation, that could be the issue. Once you’ve identified the problem, you can either repair the wires or replace them with new ones. Either way, be sure to use caution when working with electrical components. Once you’ve fixed the wiring, your computer should be up and running again.

Motherboard issues

While motherboards can sometimes be repaired, they are often more expensive to fix than to replace. If your computer is having other issues in addition to not turning on, the motherboard is likely the culprit. Some other signs that your computer’s motherboard may be failing include strange noises coming from the computer, randomly rebooting or shutting down, BSOD errors, and difficulty connecting to peripheral devices. If you’re experiencing any of these issues, it’s best to take your computer to a qualified technician for diagnosis and repair. Trying to fix a motherboard issue yourself can often do more harm than good.

The BIOS is responsible for booting up the computer, and if it’s outdated or corrupt, the computer may not be able to start up properly. resetting the BIOS can often fix these kinds of problems.

There are a few different ways to reset the BIOS. One way is to use the computer’s built-in reset button (if it has one). Another way is to remove the computer’s BIOS battery for a few minutes, then put it back in. Or, you can update the BIOS to the latest version.

Which method you use will depend on your computer and its specific situation.

GPU power issues

One common issue with GPUs is that the computer won’t turn on. This can be caused by a variety of things, but the most common cause is an overtaxed power supply. When your computer’s power supply is unable to provide enough power to the GPU, it can cause all sorts of problems, including preventing your computer from turning on. If you suspect that your computer’s power supply is the problem, the best course of action is to replace it with a new one. Another possibility is that the GPU itself is faulty. If you’ve already replaced the power supply and the computer still won’t turn on, then it’s likely that the GPU is the problem. In this case, you’ll need to replace the GPU.

Power supply issues

If your computer won’t turn on, there could be a problem with the power supply. Check to see if the outlet is working by plugging in another device. If the outlet is working, try plugging the computer into a different outlet. If that doesn’t work, the problem may be with the computer itself. Check to see if the computer is plugged into an outlet that has power. If it is, try unplugging and replugging the computer. If that doesn’t work, check the computer’s power cord to see if it’s damaged. If the cord is damaged, you’ll need to replace it. If the cord looks fine, the problem may be with the computer’s power supply.

I am a computer engineer holding a bachelor's degree in Computer Science, complemented by a Master's in Business Administration from University of Strathclyde, Scotland. I currently work as a Senior IT Consultant in Melbourne, Australia. With over 15 years of...