Information Communication Technology - CSS Flashcards
Is the process of identifying, diagnosing, and resolving computer problems. It involves a systematic approach to understanding the symptoms of a malfunction, gathering relevant information, and applying appropriate solutions to restore normal functionality.
Computer troubleshooting
Computer troubleshooting is crucial for several reasons:
- Minimizing downtime
- Saving costs
- Gaining knowledge and confidence
When your computer is down, it can disrupt your workflow, causing delays and lost productivity. Troubleshooting skills allow you to quickly identify and fix problems, minimizing downtime and getting your computer back in action promptly.
Minimizing downtime
Calling a technician for every computer issue can be expensive. By learning to troubleshoot yourself, you can often resolve problems without incurring additional costs.
Saving costs
Troubleshooting strengthens your understanding of computer components, software interactions, and problem-solving techniques. This knowledge instills confidence in your ability to handle future computer issues independently.
Gaining knowledge and confidence
The Different Types of Computer Problems
- Hardware Problems
- Software Problems
- Networking Problems
- Security Problems
These involve physical components of the computer, such as the CPU, RAM, hard drive, or peripheral devices. Symptoms may include slow performance, error messages, or hardware failure.
Hardware Problems
Software issues arise from software applications, operating systems, or drivers. Common signs include crashes, freezing, error messages, or unexpected behavior.
Software Problems
Networking issues hinder your computer’s ability to connect to the internet or other devices. Symptoms may include no internet access, slow connection speeds, or device connectivity issues.
Networking Problems
Security threats like viruses, malware, or spyware can compromise your computer’s security and integrity. Indicators may include slow performance, pop-ups, or suspicious activity.
Security Problems
Symptom: Computer is Running Slowly
- Restart Ritual
- Malware Patrol
- Disk Cleanup
- Software Updates
- Defragmentation
Restarting the computer clears temporary files and resets processes, often resolving performance issues.
Restart Ritual
Scan your computer for viruses and malware using a reputable antivirus or anti-malware program.
Malware Patrol
Free up hard drive space by deleting unnecessary files, programs, and temporary data.
Disk Cleanup
Check for and install software updates, as outdated software can cause compatibility issues and slow performance.
Software Updates
It consolidates the hard drive for scattered file fragments, improving data access and overall performance.
Defragmentation
Symptom: Computer is Overheating
- Dust Bunny Removal
- Fan Check
- Space Creation
- Shutdown and Cooling
Can damage internal components and reduce the computer’s lifespan.
Overheating
Clean the computer’s vents and fans to remove accumulated dust that obstructs airflow.
Dust Bunny Removal
Ensure the fans are running properly and not obstructed by dust or debris.
Fan Check
Avoid blocking the computer’s vents or placing it in confined spaces that restrict airflow.
Space Creation
If overheating occurs, shut down the computer immediately and allow it to cool down before restarting.
Shutdown and Cooling
Symptom: Computer is Making Strange Noises
- Clicking or Grinding
- Whining or Screaming
- Popping or Sizzling
Noises may suggest a hard drive problem.
Clicking or Grinding
High-pitched whining or screaming noises may indicate a fan issue.
Whining or Screaming
Recognizing Symptoms of Faulty RAM, CPU, HDD/SSD, and Power Supply
- RAM
- CPU
- HDD/SSD
- Power Supply
Frequent computer crashes, freezing or hanging, blue screen of death (BSOD), and strange noises like clicking or beeping.
RAM
Slow computer performance, overheating, unexpected shutdowns, and strange noises like whining or buzzing.
CPU
Strange noises like clicking, grinding, or screeching, long boot-up or shutdown times, file corruption, and data loss.
HDD/SSD
Random shutdowns or restarts, flickering lights or unusual noises from the power supply unit, and failure of peripherals to power up.
Power Supply
Common Symptoms of Faulty RAM
- Frequent computer crashes
- Freezing or hanging
- Blue screen of death (BSOD)
- Strange noises
RAM errors can corrupt data, leading to system instability and crashes.
Frequent computer crashes
Faulty RAM can cause the computer to freeze or hang, making it unresponsive to commands.
Freezing or hanging
It is a serious error screen often triggered by hardware problems, including RAM malfunction.
Blue screen of death (BSOD)
Damaged or failing RAM modules may emit clicking or beeping sounds.
Strange noises
Troubleshooting Steps for RAM Issues
- Reseat RAM modules
- Clean RAM modules
- Test RAM modules individually
- Replace faulty RAM modules:
Improperly seated RAM modules can cause errors. Try reseating the modules to ensure proper connection.
Reseat RAM modules
Dust buildup on RAM contacts can interfere with signal transmission. Clean the modules with compressed air or a soft eraser.
Clean RAM module
Remove each RAM module and test the computer to isolate the faulty one.
Test RAM modules individually
If testing identifies faulty RAM, replace the affected modules with compatible ones.
Replace faulty RAM modules
Preventive Measures for RAM Health
- Avoid overclocking
- Handle RAM modules with care
- Regularly clean the computer