My pc doesn't show display on screen

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1. 🔍 Possible Causes

- Display Cable Disconnected or Damaged: If the connection between the motherboard and the monitor is unstable, the screen may appear black or white.

- Graphics Card (GPU) Faulty: This device relies on a powerful graphics card (NVIDIA/AMD), and any malfunction may prevent display.

- BIOS Settings or Incomplete Update: Sometimes, after a BIOS or system update, the display may temporarily freeze.

- Laptop Monitor Itself Damaged: If it has been subjected to shocks or pressure, it may stop working.

- Power or Battery Issue: A power outage or a faulty power supply may prevent the monitor from turning on.

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1. 🛠️ Diagnostic and Resolve Steps

1. Restart the device by pressing and holding the power button for 10–15 seconds.

2. Try an external monitor via HDMI or USB-C. - If the image appears on the external monitor → The problem is with the laptop monitor or the internal cable.

- If nothing appears → The problem may be with the graphics card or motherboard.

3. Enter BIOS:

- Press the F2 or Delete key during startup.

- If the BIOS screen appears, the monitor is working and the problem is with the system (Windows or drivers).

4. Reset BIOS:

- Disconnect the device from the power source.

- Press and hold the power button to discharge the power.

- Restart and try to enter the BIOS.

5. Update or Reinstall Drivers:

- If you can use an external monitor, update the graphics card drivers from the Asus or NVIDIA/AMD website.

6. Hardware Check:

- If the previous steps fail, you may need a technician to check the internal cable or replace the monitor. ---

1. ⚠️ Important Notes

- If the device is new or still under warranty, it's best to go directly to an Asus service center.

- Do not attempt to open the device yourself unless you are experienced in device repairs, as the internal cables are very delicate.

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📌 In short:

Start by trying an external monitor to see if the problem is with the monitor itself or the graphics card. If the image appears externally, the problem is most likely with the laptop monitor or the internal cable. If nothing appears, the problem is most likely with the graphics card or the motherboard.