Computer peripherals and mobile devices have similar troubleshooting workflows. Knowing how these devices should work and identifying common problems is part of maintenance and important when preparing for exam 220-1001.
Learning Objectives
CompTIA A+ 220-1001: Troubleshooting
- troubleshoot issues such as post beeps codes, BIOS time settings, and booting to an incorrect device
- resolve issues relating to power such as overheating, no power, smoke, and a burning smell
- troubleshoot common hard drive issues such as read/write, slow performance, loud clicking noise, failure to book, drive not recognized, and OS not found
- investigate RAID issues such as RAID not working, RAID no longer working, and failure conditions
- describe S.M.A.R.T error technology
- describe issues that could cause video or display issues such as overheat shutdown, dead pixels, artifacts, color patterns, dim image, flickering, distortion, burn, and oversized images
- resolve issues with display, batteries, power, indicator lights, connectivity, touchscreen, performance, and GPS
- describe the process of disassembling and re-assembling a laptop
- describe common wired and wireless network problems such as limited connectivity, and unavailable resources such as the Internet, printers, e-mail, IP conflict, transfer speeds, and SSID not found
- troubleshoot beep codes and booting to an incorrect device, troubleshoot hard drive issues, and resolve issues relating to display, batteries, power, indicator lights, connectivity, and overheating