Computer troubleshooting Unit 8 1 day; no test. Combined with Unit 9
Objectives Describe the troubleshooting steps Describe symptoms of problems with hardware components & software Identify common solutions to problems with peripheral devices
Troubleshooting Steps Identify the problem (What’s the problem?) Check Basic Solutions Cables plugged in, just restart it, out of ink Research for help & support Internet, boards, tech support site Talk to a technician & follow their instructions Confirm it’s fixed Document problem/solution
Troubleshooting Connection Issues No Internet? Is your IP address 169.254.x.x? Check Ethernet cable (unplug & replug) Reboot router & then restart PC IP is ok, still no connection Turn modem & router off for min. & back on; restart PC Still nothing? Call ISP No Wi-Fi? Is wireless on device turned on? Did the Wi-Fi password change? Are you too far from the wireless router?
Troubleshooting Examples PROBLEM: Hard drive makes unusual sounds Cause & Solution? PROBLEM: Computer does not start at all Cause & Solution? PROBLEM: Beeps during POST Cause & Solution? PROBLEM: Newly installed software doesn’t start Cause & Solution? PROBLEM: OS does not start or starts and freezes Cause & Solution? 1: Cause- files failed to load; Solution- restart PC, update OS 2: Cause- corrupt or missing files; Solution- uninstall & then reinstall software 3: Cause- possible CPU, RAM, or Video card error; Solution- check for proper install or damage 4: Cause- dropped or ready for failure; Solution- backup data ASAP and replace 5: Cause- might not be plugged in, bad power supply, bad motherboard; Solution- check cable, check outlet, replace PSU or Mobo
Troubleshooting Scenarios- Check the basics The entire computer has completely frozen up. I can't click anywhere on the screen. I can't even use the Start button to shut it down. Ctrl + Alt + Delete I press print & the printer does not respond at all. Check the cables; what other solutions?
Other Things To Do Check all cables Update or reinstall driver Restart Restart in Safe Mode or Safe Mode with Networking Only basic drivers load Great for startup problems & removing viruses Boot into Safe Mode Windows 10
Review When troubleshooting, what would a basic solution be? Checking the cables to see if they’re plugged in What is the last step in troubleshooting? Document the problem/solution T or F. When you have a problem, you should contact tech support immediately. False
Computer troubleshooting Unit 8 1 day; no test. Combined with Unit 9