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Troubleshooting Operating Systems–NETWORKING ESSENTIALS—CompTIA A+ (220-1001) A-PLUS Certification Prep Course Notes
Troubleshooting Operating Systems Windows Recovery Environment WinRE (Windows recovery environment) WinRE provides access to essential troubleshooting tools WinPE (Windows pre-installation environment) Advanced options offer System Restore, System Images, & more Command Prompt option opens the Windows Command Shell. Advanced Startup Options To get to ‘Safe mode’ options in Windows 8/10, select option in ‘System Configuration’ for Safe boot. Alternatively, intentionally crash your system several times in a row to get Advanced options. ‘Startup Settings’ offer debugging, boot logging, Safe Mode, & more. Troubleshooting Boot Problems A black screen on a booted computer often indicates a video driver problem. Get to Safe Mode & try “Roll Back Driver” or “Update Driver”…
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Blockchain & Money: Session 15: Central Banks and Commercial Banking, Part 1 by M.I.T. Sloan School of Management with Professor Gary Gensler
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Windows OS Under the Hood–NETWORKING ESSENTIALS—CompTIA A+ (220-1001) A-PLUS Certification Prep Course Notes
Windows OS Under the Hood! What is the Registry? The Registry is the primary database for every Windows system. Registry hold settings. Registry is critical, without it, Windows won’t run!!! We use the ‘regedit’ (Registry Editor) utility to manually edit the Registry. The Registry has five root keys into which all data is organized. HKLM (Hkey local machine)–defines all the settings for a particular computer. Processes Every program currently running on a system is a process. Processes all use process IDs (PID) We use utilities like Task Manager to kill errant processes. At any moment our computer can be running hundreds of programs. These programs can be broken down into…
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