🖥️ Computer Hardware & Maintenance – Complete Guide
🔹 What is Computer Hardware & Maintenance?
Computer Hardware & Maintenance is about:
- Understanding physical parts of a computer
- Assembling, installing, repairing, and maintaining computers
- Troubleshooting hardware and basic software problems
This course is ideal for IT support, technician, and service jobs.
🧩 COMPUTER HARDWARE – COMPONENTS IN DETAIL
1️⃣ Input Devices
Used to give data to the computer:
- Keyboard
- Mouse
- Scanner
- Webcam
- Microphone
2️⃣ Output Devices
Used to display results:
- Monitor
- Printer
- Speaker
- Projector
3️⃣ Processing Unit
CPU (Central Processing Unit)
- Brain of the computer
- Performs calculations & instructions
- Types: Intel, AMD
4️⃣ Motherboard
- Main circuit board
- Connects all components
- Contains CPU socket, RAM slots, ports
5️⃣ Memory
RAM (Random Access Memory)
- Temporary memory
- Faster performance
- Types: DDR3, DDR4, DDR5
ROM
- Permanent memory
- Stores booting instructions
6️⃣ Storage Devices
- HDD (Hard Disk Drive)
- SSD (Solid State Drive)
- NVMe SSD
- Pen drive
- External hard disk
7️⃣ Power Supply Unit (PSU)
- Supplies power to all components
- Converts AC to DC
8️⃣ Expansion Cards
- Graphics card
- Sound card
- Network card
9️⃣ Computer Case / Cabinet
- Holds all components safely
- Provides cooling & airflow
🔧 COMPUTER ASSEMBLING
What you learn:
- Installing motherboard
- Fixing CPU & fan
- Installing RAM
- Connecting HDD/SSD
- Power cable connections
- Front panel connections
💿 SOFTWARE INSTALLATION
Operating Systems:
- Windows 10 / 11
- Linux
Drivers:
- Motherboard drivers
- Graphics drivers
- Printer drivers
🛠️ TROUBLESHOOTING & MAINTENANCE
Common Hardware Problems
- Computer not starting
- No display
- Overheating
- Slow system
- Blue screen errors
Solutions:
- Checking cables
- Cleaning dust
- Replacing faulty parts
- Updating drivers
Preventive Maintenance
- Regular cleaning
- Antivirus installation
- Software updates
- Backup important data
🌐 BASIC NETWORKING (Included)
- LAN setup
- Connecting PCs
- Internet configuration
- Wi-Fi router setup
💼 CAREER OPTIONS
- Computer Hardware Technician
- IT Support Engineer
- Desktop Support Engineer
- Service Center Technician
💰 Salary (India):
- Fresher: ₹15,000 – ₹30,000 / month
- Experience: ₹40,000+ / month
🎓 ELIGIBILITY
- 10th / 12th pass
- No coding required
- Practical interest important
🛣 COURSE DURATION
- 3 – 6 months (basic to advanced)