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LAPTOP SERVICING
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- 2. CONTENTS WHAT IS LAPTOPSERVICEING LAPTOP COMMON PARTS MAIN ELECTRICAL PARTS LOCATION DAIGRAM MOST COMMON HARDWARE PROBLEMS CONCLUSION REFERENCE 2
- 3. WHAT IS LAPTOPSERVICEING..? Proper maintenance practices improve its productivity and performance significantly enhance its lifespan. 3
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- 18. MAIN ELECTRICAL PARTSLOCATION DAIGRAM 18
- 19. MOST COMMON HARDWAREPROBLEMS WHY LAPTOP MAKES NOISE WHILE RUNNING WHY LAPTOP SHUTS DOWN OR FREEZES WHY LAPTOP TURNS ON AND OFF REPEATEDLY KEYBOARD HAS MISSING OR BROKEN KEYS HOW TO UPDATE YOUR COMPUTER’S BIOS LIQUID SPILL 19
- 20. WHY LAPTOP MAKESNOISE WHILE RUNNING.? It makes some constant weird or ratting noise POSSIBLE PROBLEM Most cases this noise is coming from the cooling fan or hard drive. If the fan doesn’t spin but the laptop makes noise, probably it’s coming from the hard drive. Remove the hard drive and start the laptop. If the laptop still makes noise most likely it’s bad fan. 20
- 21. WHY LAPTOP SHUTSDOWN OR FREEZES Laptop runs properly but after a while it freezes or shuts down without any warning .The bottom feels hot , also the cooling fan runs louder than usual POSSIBLE PROBLEM most likely this is heat related issues. It happens because the fan heat sink is clogged with dust and the processor not cooling down properly. Cleaning the fan and heat sink from dust should fix it 21
- 22. WHY LAPTOP TURNSON AND OFF REPEATEDLY The laptop turn on without showing any image on the screen, after a few seconds it turns off by itself. POSSIBLE PROBLEM Most likely this is motherboard failure. You can try removing memory modules one by one test the laptop with only one module installed . If the laptop still doesn’t turn on, most likely you have failed motherboard or processor. 22
- 23. KEYBOARD HAS MISSINGOR BROKEN KEYS 23
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- 28. If akey separated from the keyboard ,it’s still possible to fix it. If you have many keys missing , probably it makes sense to replace the whole keyboard. 28
- 29. HOW TO UPDATEYOUR COMPUTER’S BIOS It is the first software your PC loads Be very careful when updating your BIOS! If your computer freezes, crashes, or loses power during the process, the BIOS may be corrupted. This will render your computer unbootable 29
- 30. 1.Find your currentBIOS version 30
- 31. 2. Determine yoursystem's origins 31
- 32. 3.Backup your existingBIOS first 32
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- 34. 5. Perform theupdate 34
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- 36. 7.Clear existing BIOSsettings if recommended 36
- 37. 8. Configure theBIOS 37
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- 39. you spilledsomething on the laptop and it’s stopped working. POSSIBLE PROBLEM Liquid spill are very dangerous and unpredictable. If it happened ,turn off the laptop asap , remove the battery and do not use it until all internal parts are inspected for liquid damage . It’s still possible to make it work again . 39
- 40. CONCLUSION The servicingstep included in this presentation are all thing we can our own fairly easily. Only thing is to follow the instructions carefully A lot of what people pay to computer repair places can be avoided if they are ready to do these steps by themselves carefully. This is the computer equivalent of changing your own windshield wiper fluid. 40
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