A user states that their computer sounds like a hair dryer after being on for 15-20 minutes. The user also states that if they turn the computer off for 5-10 minutes and then turn it back on, it will run just fine for another 15-20 minutes before starting the noise again. The technician finds no problems with any of the internal fans. Which of the following is the MOST likely issue?

A. Defective RAM has been installed in one slot

B. Heatsink is defective or needs to be reseated

C. Incorrect voltage selection on power supply

D. CPU is not compatible with the video card

Ann, a user, reports that she is unable to connect to any local network resources or Internet sites. The technician discovers that her IP address is 169.254.13.197. Which of the following is MOST likely the cause?

A. Incorrect username and password credentials

B. Rogue HOSTS file entries

C. Not able to reach a DHCP server

D. Incorrect subnet mask

After a recent power spike, a user upgrades their motherboard. However, every time they try to turn their workstation on, it only crashes and performs a core dump. All hard drives and processors are compatible with the new motherboard. Which of the following symptoms has MOST likely occurred?

A. Fans spin but no power to other devices

B. Missing operating system

C. System only works in Safe Mode

D. Stop error

A consultant is called in to help troubleshoot connectivity problems an office is experiencing with their 802.11a wireless network. The office manager reports that at random times during the day, workers will lose wireless connectivity for different spans of time. There is no pattern to the drops in connectivity. Which of the following causes should the technician explore FIRST in troubleshooting the office issues?

A. 2.4 GHz portable phone system

B. Microwave ovens

C. 5G Hz portable phone system

D. Two Way RF radios

A user reports that their laser printer is printing lighter on one side of the page than the other. The user further reports that a new toner cartridge was just installed. Which of the following is the MOST likely cause?

A. The user did not gently shake the toner prior to installation.

B. The laser motor is failing and causing uneven dispersion to the developer.

C. The paper tray size is set incorrectly.

D. The fuser in the printer is not warming to a proper temperature.