Tle COMPUTER HARDWARE SERVICING

• Technician -

  Invest in tools. It is hard and dangerous to do even simple computer repair.without using on appropriate tool.
• Hand tool -

  Is any hand-operated device used in engineering, manufacturing, metal work, wood work, and computer hardware
• Four types of driving tools:

  Torque screwdriver

  Philips-head screwdriver

  Hex screwdriver

  Flat head screwdriver
• Driving tools -

  Designed for loosening, tightening, and removing screws and bolts and are done by applying torque
• Torque screwdriver -

  Is used to tighten and loosen six-pointed starshaped screws
• Phillips-head screwdriver -

  Is used to tighten and loosen cross-head screws
• Hex screwdriver -

  Is used to tighten and loosen hex socket screws
• Flat head screwdriver -

  Used to tighten or loosen slotted screws
• types of hand tools-

  Driving tools

  Gripping tools

  Cutting tools

  Striking tools
• Gripping tools -

  Used for gripping object by using leverage
• Gripping tools:

  Long nose pliers

  Tweesers

  Side-cutting pliers
• Cutting tools -

  Used to cut wires and other objects into pieces. Pliers are also example of cutting tools
• Sriking tools -

  The most widely used tools. These are used in varietu of disciplines and specializations such as woodworking and metal crafts
• Testing and measuring equipment:

  multimeter

  LAN cable tester
• Multimeter -

  Is also known as multi-tester and volt ohmmeter (VOM ) and is used to test the integrety
• LAN cable tester -

  Sometimes called as network teater used to check condition and connectivity
• Cleaning material and other uttilities:

  Lint free

  Compressed air

  Cable ties

  Flashlight
• Lint free -

  Cloth used to wipe dirt and dust from computer parts without scratching or leaving debris
• Compressed air -

  Used to blow away the dirt from the different parts of the computer especially the cpu heat sink.
• cable ties -

  Used to fastem or fix cables neatly
• Flashlight -

  Used for proper illumination. Especially of the inside parts of the computer casing
• Chip -

  Small space or crack
• Defect -

  A physical problem as in a tool or equipment
• Dull -

  Blunt or lacking sharpness or the ability to cut neatly
• Secure -

  Firmlt fixed or placed in position
• Job order slip -

  When recieving computer rapair a technician should provide a document. It is also a document used to put the details
• Common defects of handtools:

  1. Hammer - loose or poorly handle
  2. Screwdriver - loose or poorly secured handle, bended rod, dull or chipped tip
  3. Blade cutter - dulled blade
  4. Pliers - chipped or dulled cutting edge