Computer Repair Lessons: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71
Soldering equipment: Used in soldering DC Jacks, MOSFETs and other components onto the motherboard. Also, comes in handy when soldering two wires together.
I personally prefer using the Metcal MX-500.
Although this is an older model, the soldering quality is brilliant, especially when soldering DC Jacks. It heats up in only 7 seconds and goes on standby when the handle is in the stand. This station also shuts down if no soldering is being done within a longer time period.
De-soldering equipment: This is needed when de-soldering DC Jacks and some large components that have more than two pins such as, big cylindrical capacitors.
I personally like to use the Hakko 808 de-soldering gun. It has a heating element and pump on the handle, but it is not heavy. This is probably the best tool for de-soldering, and can handle almost situation.
Diagnostic equipment: A multimeter is one of the most important devices in computer repair. Testing with a multimeter supersedes laptop power adaptors, laptop DC Jacks, a desktop PSU, as well as desktop and laptop motherboards.
Oscilloscopes are mainly used when diagnosing diagnose power issues on a desktop PSU and laptop step-down converters.
OS boot media: Used to boot non-working laptops and desktops in data recovery and diagnostics. One of the best available types is the UBCD4WIN. I personally like to use it, but I have modified it to include more plugins. This type can also be booted from a USB dongle.
Hard drive recovery software and external hard drive adapters: File Scavenger, R-Studio, and Stellar Phoenix are the tools that we like to use. File Scavenger runs from a USB flash drive. There are also professional hard disk recovery software types such as the PC-3000, Deep Spar, and the disk Imager.
There is also equipment available for hard drive recovery in a clean room environment. Unfortunately, this type of equipment is very expensive. For certain types of data recovery from a hard drive or office room, the cost is not that bad. Especially when dot dealing with very complicated issues.
BGA reflow and re-balling stations such as Jovy. Jovy does a great job, and the price is reasonable. There is a company called Technisat that sells a modified version of Jovy making the process easier and with a higher quality. Technisat also sells all the accessories needed for re-balling and reflowing.
Re-balling takes a while to complete, and re-flow does not always fix the fault.
System stress test software: I use the MemTest as a system stress test. At the moment, I also like using the OCCT software. There is also the QA+Win32 for a complete test, but I personally do not find it as useful as OCCT. Even though OCCT is free and QA+Win32 costs money.
Computer Repair Lessons Continued: 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120
Me holding a laptop hard drive
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