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When disassembling a computer, it’s okay to stack circuit boards on top of each other as long as you follow ESD protection rules. True |
False |
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Immediately after you unplug the computer from the power outlet, you’re safe to begin working inside the case. True |
False |
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The motherboard sits on elevated screw holes or spacers to keep it from touching the case. True |
True |
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A system always needs the 4-pin auxiliary power connector, and sometimes needs the P1 connector as well. True |
False |
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Some boards designed to support multiple PCIe video cards will have additional power connectors on the board to power wattage-hungry cards. True |
True |
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Which statement is NOT a good practice when working inside a computer case? -be sure to hold expansion cards by the edge connectors |
be sure to hold expansion cards by the edge connectors |
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What is the second step in opening the case of a working computer? -press and hold down the power button for a moment |
power down the system and unplug it |
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What do you call a connector on a motherboard that consists of pins that stick up from the board? jumper |
header |
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What are round plastic or metal pegs that separate the motherboard from the bottom of the case known as? header |
standoff |
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In what order should you install components into the case after disassembling a computer? -power supply, drives, motherboards, cards |
power supply, drives, motherboard, cards |
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Which statement is true regarding the installation of the motherboard and connecting power? -there are typically three screw sets that hold the motherboard to the case |
a 4-pin power cord supplies supplemental power to the processor |
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What type of connector is not typically found on the front panel header? Power SW |
SATA controller |
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What does a small triangle embedded on a connector signify? -use caution when using the connector |
the wire nearest the triangle is pin 1 |
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Where should you clip your ESD strap when opening a computer case? power supply |
computer case |
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Most manufacturers or retailers of laptops offer a warranty that lasts for at least how long? 1 year |
1 year |
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What diagnostic software is used by several manufacturers, and can run tests on keyboards, video, speakers, touchpad, optical drives, wireless LANs, motherboard, processor, ports, hard drive, and memory? PC-Fixit |
PC-Doctor |
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If a ground strap is unavailable, what should be done to dissipate any ESD before working on a laptop? -touch any part of the laptop |
touch a non-painted metallic surface on the laptop |
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What should be done after reassembling a laptop, but before installing the battery or AC adapter? -press the power button to drain to drain any electricity in the system |
gently shake the laptop to ensure nothing is loose inside of the case |
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Which component may be considered a field replaceable unit (FRU)? LCD screen |
All of the above |
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Which of the following statements regarding working inside a laptop computer is true? -when upgrading a laptop, you should use components that are the same brand as the laptop, or use only recommended components |
when upgrading a laptop, you should use components that are the same brand as the laptop, or use only recommended components |
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When is it okay to touch the inside of a computer that is turned on? -when disassembling the computer |
when using a multimeter to measure voltage output |
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A system will always require what power connector? 4-pin auxiliary |
P1 power connector |
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When removing screws while working on a laptop, what should be done with the screws? -they should be disposed of |
they should be stored or labeled |
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When handling motherboards, cards, or drives, which statement is NOT accurate? -you should not touch chips on the device |
you should not hold expansion cards by the edges |
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What is the very first step that should be taken when performing work with a computer? -you should back up any important data |
you should back up any important data |
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Sometimes a board may have an extra PCIe power connector. This connector comes in what two different pin numbers? 4-pin |
6-pin 8-pin |
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What are two resources that may be useful in disassembling a laptop computer? service manual |
service manual user manual |
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What two devices in a computer should be considered "black boxes", and should never be opened, due to risks involving charged capacitors? monitor |
monitor power supply |
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What two laptop manufacturers provide their service manuals online free of charge? HP |
Lenovo Dell |
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If the PC-Doctor software is installed on a computer’s hard drive, what two different ways can the program be started? -start menu shortcut |
start menu shortcut press function key during startup sequence |
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a connector on a motherboard that consists of pins that stick up from the board front panel header |
front panel header |
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a connector on the motherboard that allows the insertion of a card expansion slot |
expansion slot |
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a document from the manufacturer that describes how to disassemble a device service manual |
service manual |
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you clip it to the side of the computer case to dissipate any charge between you and the computer ESD strap |
ESD strap |
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controls the drive activity light on the front panel that lights up when any SATA or IDE device is in use HDD LED |
HDD LED |
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keeps the motherboard from touching the case spacer |
spacer |
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controls power to the motherboard, must be connected to power the PC up Power SW |
Power SW |
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positive / negative LED that controls the power light and indicates the power is on Power LED +/- |
Power LED +/- |
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switch used to reboot a computer Reset SW |
Reset SW |
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a type of connector that must be lifted up in order to be disconnected ZIF connector |
ZIF connector |
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