If you have turned on your CPU started but the screen shows 'No signal' and you have come across this message on your monitor, don't worry, we are here to help you solve this common problem. ⁢This problem can be frustrating, but with a little knowledge and patience, you can resolve it ⁢quickly. In this article, we will guide you through the steps to diagnose and solve this problem, so that you can use your equipment again without problems.

– Step by step⁤ -- CPU started but the screen shows 'No signal'

CPU started but display shows 'No signal'

• Check the connection of the cables: Make sure the video cable is properly connected to both the CPU and the monitor. Check that it is not loose or damaged.
• Check your screen settings: Verify that the video input selected on the monitor matches the port the CPU is connected to.
• Restart the CPU and monitor: Turn off both devices, wait a few minutes, and then turn them on again. Sometimes this can fix connection issues.
• Try another cable or port: If you have an additional video cable or video ports available on the CPU and monitor, try changing them to rule out a possible problem with the cable or port.
• Check the graphics card: If all of the above doesn't solve the problem, your graphics card may be damaged. ⁤In this case, consider taking the CPU to ⁤a‌ specialized technician‍ to ⁢have it checked.

FAQ

1. What are⁢ the possible causes of the screen showing ⁣»No⁤ signal» ⁢when the CPU⁤ is on?

1. Check the HDMI or VGA connection cables between the CPU and the screen.
2. Make sure the screen is on and in the correct input mode.
3. Check if the graphics card is correctly installed in the CPU.

2. How can I fix the issue of “No signal” on the screen when the CPU is on?

1. Reboot the CPU and screen.
2. Try another connection cable between the CPU and the screen.
3. Check the graphics card settings and make the necessary adjustments.

3. Could the “No signal” problem on the screen be related to the BIOS settings?

1. Yes, it is possible that the BIOS settings are affecting the display signal.
2. Go into BIOS settings ‌and reset to default values.
3. Check if ⁤there are available updates for the BIOS ⁢and ⁢apply them if necessary.

4. What are the steps to check ‌if⁢ the ‌»No signal” problem on the screen is due to a fault⁣ in the graphics card?

1. Remove the graphics card from the CPU and reinstall it correctly.
2. Test the graphics card in another CPU ‌to rule out a possible hardware failure.
3. Check if the graphics card drivers are up to date.

5. What should I do if the screen shows “No signal” after I have connected a new graphics card to the CPU?

1. Check if the new graphics card is compatible with the CPU and motherboard.
2. Make sure the graphics card is properly connected to the power source.
3. Check if it is required to disable the integrated graphics card in the CPU when an external one is installed.

6. How can I determine if the “No Signal” problem on the ⁤screen is due to a⁢ connection cable failure?

1. Try another connection cable between the CPU and the screen.
2. Make sure the cable is fully inserted into the ports on the CPU and display.
3. Check if the cable has any visible damage.

7. What is the role of graphics card drivers in transmitting the signal to the display?

1. The ⁢graphics card drivers are responsible for⁤ communication between the CPU and the display.
2. Make sure drivers are installed and updated correctly.
3. Check if the driver configuration is compatible with the display and CPU.

8. What should I do if the screen shows “No signal” after making changes to the graphics card settings?

1. Reset graphics card settings to default values.
2. Check‌ if the changes made⁤ are⁤ compatible with the screen and CPU.
3. Reboot the ‌CPU and ‌display ⁢to apply the changes.

9. Is it possible that the “No signal” problem on the screen is due to a failure in the CPU power supply?

1. Yes, lack of adequate power can affect signal transmission to the display.
2. Check if the power supply is working correctly.
3. Make sure⁤ that the power supplied is sufficient for⁢ the graphics card and other components.

10. What precautionary measures should I take when trying to fix the “No signal” problem on the screen?

1. Turn off the CPU and disconnect it from the power before carrying out any manipulation.
2. Avoid touching the internal components of the CPU without taking appropriate precautions against static electricity.
3. Request help from a professional if you do not have experience handling computer hardware.

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