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Computer Repair with Diagnostic Flowcharts

Troubleshoot PC Hardware Problems With Flowcharts

This manual for troubleshooting PC hardware problems creates a visual expert system for diagnosing component failure and identifying conflicts.

The seventeen diagnostic flowcharts at the core of this book are intended for the intermediate to advanced hobbyist, or the beginning technician.

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CompTIA A+ 220-701 Essentials Study Links

This is an outline of the CompTIA A+ Essentials 220-701 certification exam with links to related study materials on this site. This site doesn't have materials covering every objective of the 220-701 exam, but you'll find that most of the objectives are covered, and I'll be working on materials to cover the rest of the objectives.

Domain 1 Hardware

1.1 Categorize storage devices and backup media

FDD
HDD
oSolid state vs. magnetic
Optical drives
oCD / DVD / RW / Blu-Ray
Removable storage
oTape drive
oSolid state (thumb, flash, CD card, USB)
oExternal CD-RW and hard drive
oHot swappable and non-hot swappable

1.2 Explain motherboard components, types and features

Form Factor
oATX / BTX
omicro ATX
oNLX
I/O interfaces
oSound
oVideo
oUSB 1.1 / USB 2.0
oSerial
oIEEE 1394 / Firewire
oParallel
oNIC
oModem
oPS/2
Memory slots
oRIMM
oDIMM
oSODIMM
oSIMM
Processor sockets
Bus architecture
Bus slots
oPCI
oAGP
oPCIe
oAMR
oCNR
oPCMICA
SATA, eSATA
Contrast RAID (levels 0, 1, 5)
Chipsets
BIOS / CMOS / Firmware
oPOST
oCMOS battery
Riser card / daughterboard

1.3 Classify power supplies types and charcteristics

AC adapter
ATX proprietary
Voltage, wattage and capacity
Voltage selector switch
Pins (20, 24)

1.4 Explain the purpose and characteristics of CPU's and their features

Identify CPU types
oAMD
oIntel
Hyperthreading
Multi-core
oDual core
oTriple core
oQuad core
Onchip cache
o
L1
oL2
Speed (real vs. actual)
32bit vs. 64 bit

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