Pace IT - Troubleshooting OS part 1
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The document provides a comprehensive guide on troubleshooting Windows operating systems, detailing common symptoms like the blue screen of death, failure to boot, and missing DLL messages. It outlines potential causes for these issues, such as hardware failures and compatibility problems, and suggests various troubleshooting tools and methodologies for diagnosis and resolution. Furthermore, it emphasizes the complexity of Windows OS and the necessity for structured troubleshooting to effectively address problems.
Pace IT - Troubleshooting OS part 1
- 2. Page 2 Instructor, PACE-IT Program – Edmonds Community College Areas of Expertise Industry Certification PC Hardware Network Administration IT Project Management Network Design User Training IT Troubleshooting Qualifications Summary Education M.B.A., IT Management, Western Governor’s University B.S., IT Security, Western Governor’s University Entrepreneur, executive leader, and proven manger with 10+ years of experience turning complex issues into efficient and effective solutions. Strengths include developing and mentoring diverse workforces, improving processes, analyzing business needs and creating the solutions required— with a focus on technology.
- 3. Page 3 – Common symptoms, causes, and tools. PACE-IT.
- 4. Page 4 Troubleshooting Windows operating systems I.
- 5. Page 5 A Windows OS is composed of tens of millions of lines of code. There is a lot that can go wrong. Because of this, it is important that you follow the troubleshooting methodology to reduce wasted time and effort. Troubleshooting Windows operating systems I.
- 6. Page 6 – Blue screen of death (BSOD). » Symptom is a critical stop that brings up the BSOD. » Causes are many, but the BSOS shows a hex code that can be used to research the problem. » Tools include Disable Automatic Restart ON System Failure and the Microsoft Knowledge Base. – Failure to boot. » Symptom is that the system will not boot and may or may not give an error. » Causes are many, including hardware or software error, virus, and glitch. » Tools include a restart, MS Knowledge Base, Last Known Good Configuration from Advanced Boot Options, Startup Repair, Safe Mode (run antivirus, run System Restore, verify system files with sfc/scannow), fixboot /fixmbr for boot sector issues, and restore from a system image. Troubleshooting Windows operating systems I.
- 7. Page 7 – Improper shutdown. » Symptom is that the PC shut down with no warning once but can reboot with no problems. » Cause is more than likely just a glitch or momentary power issue—or the user just doesn’t understand. » Tools are none and/or end user education. – Spontaneous shutdown or restart. » Symptoms are the same as above, but it keeps happening and it isn’t the end user. » Causes include virus, faulty RAM, and a failing power supply. » Tools include antivirus software, sfc /scannow, and the Windows memory diagnostic tool, as well as the procedure to troubleshoot the power supply. Troubleshooting Windows operating systems I.
- 8. Page 8 – RAID not detected during installation. » Symptoms include the RAID array not initializing on boot up and being unavailable for use. » Cause is usually a hardware based RAID with the incorrect driver. » Tool to use is Device Manager and the process is to check and update drivers. • A useful resource may be the RAID hardware manufacturer’s website. – Device fails to start. » Symptom is that a single device fails to start when it is supposed to. » Cause is usually a bad driver. » Tool to use is Device Manager and the process is to check and/or update the driver. Troubleshooting Windows operating systems I.
- 9. Page 9 – Missing DLL message. » Symptom is that an application fails to load or function and gives an error message. » Cause is that the required Dynamic Link Library (DLL) file (reusable code) is either missing or corrupted. » Tools include sfc /scannow; if the DLL needs to be registered from a C: use regsver32 filename. • Do not download third party DLLs from the Internet. – Service fails (or services fail) to start. » Symptoms include affected function of the service(s). » Causes are many, including incorrect setting (disabled). » Tools include the System log in the Event Viewer; the log may give hints as to why the service failed to start. » The Services applet can also give insight. • For example, is the service set to disable? Troubleshooting Windows operating systems I.
- 10. Page 10 – Compatibility error. » Symptom is that an application doesn’t start or fails to run correctly. » Cause is usually that the application is a legacy (older) application that is not compatible with a newer OS. » Tools include the Application log in the Event Viewer to see if an error message has been logged. The usual fix is to run the application in compatibility mode so the OS runs the application mimicking a prior OS. – Slow system performance. » Symptom is that the system is running slower than normal. » Causes include too many applications running, not enough memory, possible process or application issue, or malware. » Tools include Task Manager; check to see what applications and processes are overly consuming CPU resources. You can stop the process or lower its priority. Troubleshooting Windows operating systems I.
- 11. Page 11 Troubleshooting Windows operating systems I. Windows operating systems are very complex and symptoms can be highly varied. Anything unexpected, unexplained shut downs, poor system performance, or even the dreaded BSOD can be classified as a symptom that needs to have the troubleshooting methodology employed. Topic Symptoms. Summary Due to the complexity of the Windows operating system, there are many things that can cause it to behave unexpectedly. Causes of malfunctions in the operating system range from poor user habits to legacy applications and include everything in between. Causes. Fixboot, fixmbr, sfc, REGSRV32, Event Viewer, Safe Mode, and the command prompt are all tools that can be used to troubleshoot the Windows operating system. Tools.
- 13. This workforce solution was 100 percent funded by a $3 million grant awarded by the U.S. Department of Labor's Employment and Training Administration. The solution was created by the grantee and does not necessarily reflect the official position of the U.S. Department of Labor. The Department of Labor makes no guarantees, warranties, or assurances of any kind, express or implied, with respect to such information, including any information on linked sites and including, but not limited to, accuracy of the information or its completeness, timeliness, usefulness, adequacy, continued availability or ownership. Funded by the Department of Labor, Employment and Training Administration, Grant #TC-23745-12-60-A-53. PACE-IT is an equal opportunity employer/program and auxiliary aids and services are available upon request to individuals with disabilities. For those that are hearing impaired, a video phone is available at the Services for Students with Disabilities (SSD) office in Mountlake Terrace Hall 159. Check www.edcc.edu/ssd for office hours. Call 425.354.3113 on a video phone for more information about the PACE-IT program. For any additional special accommodations needed, call the SSD office at 425.640.1814. Edmonds Community College does not discriminate on the basis of race; color; religion; national origin; sex; disability; sexual orientation; age; citizenship, marital, or veteran status; or genetic information in its programs and activities.