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Troubleshooting Operating Systems (Tools (System and Maintence (Win10) …

- - - - Blank screen/error messages
      - Sound/smells (clicking hard drive, burning components
      - Hardware issue: troubleshoot and repair/replace
    - - Two critical files risk corruption in Windows: bootmgr and bcd
        
        Can be fixed with the bcdedit tool,
        Which can e use in the Windows Recovery Environment
      - WinPE
        (Windows Preinstallation Environment)
        
        Enabled the windows installation process to have a GUI rather than relying on a command line
        
        Can boot directly to windows media
        (DVD or Flash)
        
        Has troubleshooting and repair features within the installation.
        This is called the WinRE
        (Windows Recovery Environment
        
        Overall Improvement on the Windows Recovery Console
        
        WinRE
        
        WinRE
        Windows 7
        
        Boot from the windows installation media
        
        Use Repair Your Computer option on the Advanced Boot Options (F8) menu.
        
        Create a system repair disc before issues arise.
        Control Panel | Backup and Restore > Create System repair disc or System Image
        
        Click "Repair"
        
        WinRE
        (8/8.1/10)
        
        Create Recovery drive
        16GB min
        
        Boot to recovery drive
        
        Access WinRE from installation media
        
        Reasons to access it from
        Installation Media v. HDD
        
        HDD can be faulty
        
        Advanced Boot Options menu requires
        Local Administrator Pass
        
        Avoid potential malware
        
        Startup Repair
        
        Rolls back non-working drivers
        
        Rolls back updates
        
        Restores critical system and driver files
        
        Runs chdsk
        
        Restores critical boot files
        
        Runs a memory test to check RAM
        
        Repairs registries
        
        System Restore
        
        restore points to go back to a time when the PC worked properly
        
        System Image Recovery
        
        Backup image to restore system after a catastrophe
        
        It offers Format and partitioning options for new disks.
        
        It will destroy existing data when restoring
  - - - P.O.S.T.
        
        BIOS
        
        Primary device
        
        Primary Partition
        
        MBR
        
        EFI
  - - - Safe Mode (all Ver.)
        
        Details
        
        Starts up Window,
        very basic non-vendor specific drivers
        for Essential hardware.
        
        Device manger can be accessed
        
        Config msconfig for direct bootup
        
        Enable Boot Logging
        (Creates Log file of drivers as they load into memory)
        
        Low-Resolution Mode
        (Starts Windows normally but only loads a default video driver)
        
        Last Known Good Configuration
        (Use this when windows start fails immediately after installing a new driver, but before you've logged on again.)
        
        Directory Services Restore Mode
        (Applies only to Active Directory domain controllers)
        
        Debugging Mode
        (Starts Windows in kernel debug mode)
        
        Disable Automatic Restart on System Failure
        (Stops PC from rebooting on Stop errors, giving a oppurutunity to record errors to find a fix)
        
        Disable Driver Signature Enforcement
        (If you are using an older driver to connect your HDD controller or other low-level feature, this allows Windows to load the driver)
        
        Start Windows Normally
        
        Reboot
        
        Return to multiboot menu
      - Safe Mode w/Networking
        
        Identical with Safe mode, just with network support
      - Safe Mode w/Command Prompt
        
        Loads a command prompt (cmd.exe)as the shell
        to the OS after you log on
        
        Particularly helpful if the desktop
        does not display at all
- - - - App installer may bring specifically formatted versions of common DLL, or other files.
        This will overwrite previous versions
      - Later Applications might look for the earlier version of the DLL & fail when not found.
      - Typical fix for issues with DLL files,
        is a internet search for the
        missing DLL or missing file
  - - - PC Lock-up
      - Random shut downs
      - Crash to Desktop