Windows help desk troubleshooting starts with evidence, not a reinstall or an automatic reboot. Task Manager shows resource pressure, Event Viewer records failures, Device Manager exposes driver faults, and storage and update checks explain many slow or unstable machines before a drastic change is considered.
Fix: the computer is very slow
- Open Task Manager by pressing control, alt, and delete, then choosing Task Manager. Look for any single program using a huge share of the memory or processor.
- Check how much free space is left on the main drive. A drive that is nearly full can slow down the whole computer.
- Check for and install any waiting updates, since some updates fix speed problems.
- Restart the computer, since restarting clears out small background problems that build up over time.
Fix: a program is frozen and will not close
- Wait a few seconds, since some programs are just slow to respond, not fully frozen.
- Open Task Manager, find the program in the list, click it, and choose end task.
- Restart the computer if the program will not close through Task Manager.
- Check for an update to that program, since a bug in an older version could be the real cause.
Fix: the computer will not start correctly
- Hold down the power button for several seconds to fully turn the computer off, then turn it back on.
- Watch for any error message on the screen during startup and write it down exactly as it appears.
- Try starting the computer in safe mode, which loads only the most basic settings and can help figure out if a certain program or driver is the cause.
- If it still will not start correctly, this likely needs to be passed along to someone with deeper system access.
Whatever the problem, always test the exact task the person was originally trying to do before you close the ticket. A computer that feels faster is not the same as confirming the one program they needed now opens and works correctly.