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Mandy Louise White
Unit 311 Worksheet
Look at the provided PCs and give eight different areas of a PC that faults may develop in and two faults in each of those eight areas.
Area of computer Symptoms Fault 1 Fault 2
Motherboard
1. No Power 2. System is booting up but turning itself off after a few minutes
Overheating is causing power failure because fans and basins are clogged with dust and pet hair
Power Supply ATX 24 pin connector is not fitted securely
RAM (Random Access Memory)
1. Performance decreases when trying to access multiple applications 2. Computer restarts randomly
RAM is faulty and needs replacing
RAM possibly needs upgrading
CPU (Central Processing Unit)
1. System powers on but automatically switches off 2. System turns on but does not POST
Heat sink and fan isn’t fitted correctly has missing screw
BIOS corrupted by flashing the BIOS it remedied the CPU
Power supply 1. Is making a grinding noise 2. System reboots unexpectedly
Has collected dust and hair preventing it from functioning properly
Upgraded components are not supported by the fitted power supply
Network card 1. Overall connection issues 2. Error message cable is disconnected
Network adaptor in the settings is disabled
Network cable is missing or disconnected
Sound card 1. No sound is coming from my PC speakers 2. Plays sounds but not CDs
Correct drivers are not installed
CD playback is not checked
Graphics card
1. Blue screen and error message 2. Black screen
Incompatible because insufficient RAM is not installed
GPU fan is not working
Hard drive
1. Hard drive failure
2. Hard drive is not recognised by BIOS
Drive controllers might be incompatible so try different controller board
Drive is not enabled
Optical Drive
1. Drive isn’t detected 2. Drive fails to read a disk
Jumper setting wasn’t set correctly
Drivers are not installed to support disk type
Heatsink and Fan
1. Fan isn’t working 2. Error CPU Fan Has Failed
Fan has collected dust due to old age preventing it from spinning
CPU Fan Check is disabled in the BIOS
Operating System 1. Operating System not found 2. Missing Operating System
MBR is incorrect or malformed
Hard Drive is not detected in the BIOS