A computer is displaying an "Operating system is not found" error whenever it is powered on. The computer is secured in a cabinet, so that only the front panel is accessible. The technician boots from a Windows installation CD and finds that there is a Windows folder on the computer. Before attempting a re-installation of the operating system, which of the following should the technician do NEXT?
A. Change the boot order in the BIOS so that hard drive is the first bootable device.
B. Start Recovery Console from the Windows installation CD and run FDISK.
C. Start Recovery Console from the Windows installation CD and run a CHKDSK /R.
D. Perform a side-by-side installation of Windows on the hard drive from the installation CD.
A technician is troubleshooting a reported wireless connectivity problem with a user's laptop. The 802.11a access point is located in one of the corners of a square office with 100 meter walls, while the user's office is on the opposite corner. The user's laptop is able to wirelessly pair with a printer located in the middle of the office and the user can print in ad hoc mode. Which of the following is the reason the user is unable to connect to the Internet?
A. 802.11a only supports ad hoc mode.
B. The laptop NIC is faulty.
C. RF signal is not received from the WAP.
D. The printer is not connected to the WAP.
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
A user calls the helpdesk to report that print jobs coming from a laser printer in the office are losing most of their toner due to being touched by hand smudge. The printer was recently serviced with a new fuser unit. Which of the following problems is MOST likely affecting the printer?
A. The fuser is not heating up to proper temperature levels necessary.
B. The pickup rollers are likely dirty and leaving paper dust on all printed pages.
C. The printer's firmware was not updated with the installation of the new fuser.
D. The fuser was installed backwards and is not evenly heating printed pages.
A user recently installed an application. Upon the next reboot, the system is displaying various errors relating to the system files and certain actions e.g. right- clicking no longer works. The user does not have time to reimage the computer, nor do they wish to remove and reinstall the application. Which of the following should the technician do FIRST?
A. Open up the command prompt and type SFC /SCANNOW
B. Open Task Manager and stop all running SERVICES processes
C. Open up MSCONFIG and remove the application from the start-up tab
D. Open a command prompt and type REGSVR32 SYSMAIN.DLL U
A user reports their laptop is shutting down each time they are idle for a short period of time. Which of the following options would the technician use to remedy the issue?
A. Disk Management
B. Power Options
C. Display
D. System Performance
Which of the following can be used to help recover a lost smartphone?
A. Remote support software
B. Locator application
C. NFC enabled device
D. GPS navigation software
Which of the following utilities should be used before installing new hardware in a computer?
A. System File Checker
B. Windows Updates
C. Security Center
D. System Restore
A user states that they see a warning on their screen about an IP conflict. Which of the following is MOST likely the cause?
A. A static IP address is assigned to the workstation
B. A bad router
C. A bad switch
D. The computer is getting an APIPA address
A user wants to view and change the file name extensions. Which of the following options in the control panel should be used to accomplish this?
A. Folder Options
B. System
C. Security Center
D. User Accounts
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