Buzz
During usage, your computer's graphics card is prone to issues like distortion, blurriness, or pixelation. Persisting in using the computer with a distorted screen not only affects work quality but also poses risks to your eyes. Therefore, it's crucial to take quick and timely repair measures.
Causes and Remedies for Graphics Card Distortion
When facing a situation where the graphics card is distorted, don't rush to replace the monitor. Only do so if you've thoroughly checked everything and found no issues. Here are some common issues leading to graphics card distortion and their remedies.
Due to monitor signal cable issues
The screen glitch issue often arises from signal sources with loose, exposed, or disrupted connections.
If you've never repaired a computer, seek assistance from someone experienced or take it to a specialized shop to ensure no components are lost during the repair. Choose a reputable store for the best advice.
Connection cable from the screen to the CPU
A damaged, severed, or loose connection cable from the screen to the CPU can also cause screen glitches. Check the cable; if it's normal, use a different monitor for testing. If the issue persists, it's likely a faulty graphics card.
Faulty graphics card
Graphics card damage due to prolonged use, heat, or loose connections is also a cause of computer screen glitches.
Troubleshooting Techniques
Step 1: Disassemble the card and thoroughly clean it, especially the card pins.
Step 2: If the screen still glitches, the card is damaged; consider replacing it. Different machines have different cards with varying prices, so research before replacing to avoid overpaying.
High-voltage board causing screen interference
The bright high-voltage bulb functions with power supplied by the high-voltage board. Signs of a faulty high-voltage board include:
- Flashing screen, with scattered colors and dark areas.
- Sudden screen blackout 2 to 3 seconds after startup.
- Normal screen operation, but remains lit even after turning off the machine, only turning off when unplugging the power.
- In this case, replace the high-voltage board. Visit a reputable store for replacements to avoid getting substandard components. Don't worry, as high-voltage boards are relatively inexpensive.
Power Supply to the Computer
The power supply to the computer monitor experiencing instability or insufficient load capacity is a common cause of screen interference. Check where your monitor is drawing power from. If it's connected to the CPU, try replacing the power source by unplugging it and connecting directly to the electrical outlet. If the screen returns to normal, consider getting a new power supply unit.
Conclusion
Screen glitches due to graphics card issues have various causes, and the solutions are often straightforward. Not every screen interference requires a replacement; research to avoid unnecessary expenses. The mentioned reasons are common culprits for screen glitches, hoping to be helpful to all.
