Bad hardware, bad drivers, bad application - Bluescreens and frequent shutdowns, Task Manager Check for high CPU utilization and I/O Windows Update - Latest patches and drivers  - Sluggish performance, “Operating system not found”,   - Boot errors, Run Startup Repair or replace manually and reboot  - Startup Repair, Application stops working May provide an error message Check the Event Log Reinstall the application - Applications crashing, Applications need RAM to run More applications need more RAM Check Task Manager - Low memory warnings, Exceed the number of endpoints and you run out of resources u - USB controller resource warnings, General system failures Time for a full diagnostic - System instability, Roaming user profile Network latency to the domain controller Client workstation picks a remote domain controller - Slow profile load, A computer’s internal clock will drift over time Enable automatic time setting - Time drift, Check Device Manager and Event Viewer Often a bad driver - Starting the system,

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