Pc Assembling
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1. The document provides tips for assembling and troubleshooting a personal computer (PC). It describes the main components of a PC including the motherboard, processor, memory, storage drives, ports, and cables. 2. It outlines the step-by-step process for assembling a PC, including installing the power supply, motherboard, RAM, hard drive, floppy drive, video card, and connecting all necessary cables. 3. Troubleshooting tips include checking that all components and cables are properly installed and connected, ensuring correct BIOS settings, and observing error messages during startup to isolate potential issues.
Pc Assembling
- 1. PC Assembling and Troubleshooting TIPS P.RAMASUBRAMANIAN B-17 Sri Krishna Nagar, Manakkadu Road, MelaTiruchendur – 628205. Mobile: +91 - 9994848764
- 2. What is PC? Personal Computer – used only one person at a time Variation depends upon Size Memory Speed of the CPU Number and type of peripheral devices connected to the computer systems.
- 3. Functional Blocks Made of several components (units). Power Supply unit 2. Motherboard 3. Processors 4. Memory 5. Hard disk 6. Floppy drive 7. CDROM drive 8. Monitor 9. Keyboard 10. Mouse 11. Printer 12. Other Devices
- 4. PARTS OF PC System Unit (Box) Monitor Keyboard Printer UPS
- 5. PARTS OF SYSTEM UNIT
- 6. PARTS OF SYSTEM MACHINE Motherboard FDD 3. HDD Power Supply Unit Display Card IDE card RAM Package Cables Speaker 10. Cabinet
- 7. What is a Motherboard ? It Consists of CPU, Display Card, IDE Card, I/O slots, BIOS ROM, CMOS Battery, Ports etc.
- 8. Floppy Disk Drive (FDD)
- 9. STORAGE CAPACITY FORMULA Storage capacity = No. of sides or Surface x Tracks per side or Cylinder x Sectors per track x Bytes per Sector 360 KB = 40 Track, 9 Sectors per Track 1.2 MB = 80 Tracks, 15 Sectors per Track 1.44 MB = 80 Tracks, 18 Sectors per Track 2.88 MB = 80 Tracks, 26 Sectors per Track Bytes per Sector 512 (common)
- 10. HARD DISK DRIVE Also called Fixed Disk Drive or Non- Removable Disk Identification Type Number (Shows No. of Cylinder and Sector).
- 11. SMPS Convert AC – DC +5, -5, +12, -12V Red (+5V) Orange (+5V) (Power Good) Yellow (+12V) White (-5V) Blue (-12V) Block (Ground)
- 12. COMPUTER CABLES 1. FDD Cable 2. HDD Cable 3. Mouse Cable 4. Printer Cable 5. Power Cable
- 13. CABINETS Mini Tower (Vertical) Desk Top (Horizontal)
- 14. STEP BY STEP ASSEMBLING OF COMPUTER
- 15. Step 1: To Fit SMPS in Cabinet Check all DC voltages Screw the PSU in Cabinet
- 16. Step 2: Wiring of Panel ON/OFF switch and Fit into the Cabinet Four Wires (2 are Red and 2 are White Color) RED wires - Heads of first switch WHITE wires – Heads of Second switch
- 17. Step 3: FIT RAM CHIPS IN MOTHERBOARD Fitted in the direction of lock Fit from Bank 0 , Bank 1 and so on.
- 18. Step 4: Fit Motherboard in the cabinet & Supply connector in Motherboard Note that the black wires of both socket should be close to each other.
- 19. Step 5: Fit Hard Disk in Cabinet Component should be down side and Label should be top side. Sockets available on the Hard disk should be at the side of the Motherboard.
- 20. Step 6: Fit IDE and Power Cable in Hard disk 40 Wires. Pin No. 1 should be RHS. If one fit the cable reversely, then it will not fit in the Hard Disk. For Power cable connector, the corner should be matched with the corner of the power supply connector of Hard Disk.
- 21. Step 7: Fit FDD and FDD cable Cover side – Up Component side – Down For Power cord, end of RED wire should come at Right Side. 34 Pin Female Connector used and RED wire (Pin No.1) must be towards pin No. 1 of Floppy Drive Socket.
- 22. Step 8: To Fit Add-on Cards in Motherboard The card should be fitted into the appropriate I/O slot.
- 23. Step 9: Connection is a 3 pin Female socket 15 pin signal cable is connected to Display adapter card. 5/6 Pin Keyboard connector should be connected. A printer cable of 25 pin (male) should be connected on the MB and 36 pin (female) should be connected with printer.
- 24. Step 10: To fit Back Cover of the System Box After fitting all the connectors to the CPU, Monitor, UPS and Printer and fit the back cover of the cabinet. While fixing if one should remember that the wires of ON/OFF switch should properly get inside the cabinet.
- 25. TROUBLESHOOTING STEPS Before trouble shooting the computer under test, the following checks may properly practiced. 1. Check whether the SMPS main power cable and DC voltage cables are connected properly. Check whether the keyboard cable is connected properly. Check whether the monitor power cable and signal cables are connected properly.
- 26. TROUBLESHOOTING STEPS (Contd…) 4. Check whether the DIP switch setting or BIOS settings in the motherboards are set for proper configuration. 5. Check whether the floppy drive power cable and data cable or connected properly. 6. Check whether all the daughter boards are inserted in the I/O slot properly. 7. Check whether the RESET switch is connected properly.
- 27. TROUBLESHOOTING STEPS (Contd…) 8. Check whether the keyboard lock is positioned properly. 9. Check whether all the IC’s are inserted in the bases properly. 10. Check whether a good boot disk is available in drive A or HDD. 11. Check whether the speaker connector is connected properly.
- 28. TROUBLESHOOTING STEPS (Contd…) After all the above checks are carried out, switch ON the system and observe the POST error messages. From the POST message localize the area of problem and troubleshoot it. When POST itself is not started, the problem will be the motherboard and related circuits.