The hard drive is making unusual noises.
The hard drive must be defragmented often.
The hard drive has a gradual increase in the number of bad sectors.
The hard drive light is lit briefly during the boot process.
The hard drive light is lit briefly when programs are loaded.
Protect the technician against electrical shock
Reduce the chance of computer components being damaged by ESD
Prevent the technician's tools from being damaged by ESD
Protect computer components from AC voltage while working on the computer
Signed drivers prevent physical damage to devices.
An unsigned driver can cause files to be fragmented as they are processed.
A signed driver has passed Microsoft's quality lab test and prevents a system from being compromised.
All companies making devices for a Windows computer have to have Microsoft sign off on the new driver before it can be added to the operating system.
A signed driver has been approved by the company that created the device driver.
Upside down to avoid blowing the dust upward
Upright to avoid fluid leakage
Inside the PC at close distance to the motherboard
Outside the PC to avoid blowing dust outside the PC
Were any recent updates performed?
Has anyone installed new software in the past two days?
Are you the only user to use the PC recently?
What happens when the PC is powered on?
Apply a vacuum cleaner to the disk slot.
Use a drive cleaning kit.
Spray an isopropyl alcohol based cleaner into the hole provided in the drive.
Remove heads and clean with a mild detergent.
Use compressed air and lint-free cotton swabs.
Use cotton swabs and denatured alcohol.
Use a vacuum cleaner.
Use glass cleaner and a lint-free cloth.
To store the system swap file
To implement RAID and provide fault tolerance
To speed up the Internet download speed
To install a second operating system
To decrease the time needed for defragmentation
Number of expansion slots
Quantity of memory
Number of USB interfaces
The quantity of memory must exceed the size of the swap file.
The memory must be compatible with the video card.
The memory must be compatible with the motherboard.
The new memory must be the same type as the memory already present.
The speed of the new memory must be the same or faster than the existing memory.
Install new memory.
Reseat the processor.
Verify that heat sink fans are connected to the power supply.
Verify CPU compatibility with the motherboard and BIOS version.
Flash the CPU instruction set.
Hard drive failure
Video card failure
Vacuum all dust and debris from the computer.
Remove all dust and debris from the computer using a can of compressed air.
Clean the internal components of the computer using a non-abrasive spray cleaner and an anti-static sponge.
Clean the inside of the computer using a lint-free cloth and a pencil to dislodge stuck or embedded debris.
Shake the cable to determine if function is intermittent.
Replace the cable with a "known good" cable.
Unplug the cable and plug the cable in to guarantee connection.
Reboot the device and look for link lights.
Hard drive failure
The technician should attempt to repair the power supply. If the attempt is unsuccessful, the power supply should be thrown in the trash and replaced.
The technician should attempt to repair the power supply. If the technician is unsuccessful, the power supply should be replaced with a power supply of equal or greater wattage.
No attempt should be made to repair the power supply. The power supply should be replaced with a power supply of equal or greater wattage.
Power supplies should always be replaced with components of equal or less wattage to avoid damage to the system from excess power to internal components.