When you start your first week in IT helpdesk, nobody really prepares you for how repetitive some issues are, or how quickly you'll spot patterns. The truth is, about 60-70% of tickets that come through any helpdesk fall into a handful of categories. Master these, and you'll already look competent. Miss them, and you'll spend your entire shift asking the same questions over and over.
I've been through this myself. When I was transitioning from healthcare into tech, I spent time shadowing helpdesk teams before moving into cloud engineering. Those first few weeks taught me that confidence in IT support comes from knowing exactly what you're looking at the moment a ticket lands on your screen.
This guide walks you through the real issues you'll encounter, why they happen, and how to fix them like someone who actually knows what they're doing.
1. Password Reset Requests (30-40% of Your Tickets)
This is the bread and butter of helpdesk work, and it's also why many organisations now offer self-service password resets. But when someone forgets their password or gets locked out, they still call you.
What usually happens:
User enters wrong password five times, account locks
User tries to use old password, can't remember which version they're using
User enters credentials incorrectly on a new device
How to fix it:
Verify the user's identity (employee ID, department, recent projects they've worked on, not just asking their name)
Check Active Directory (AD) to see if the account is locked (it'll show as "Account is locked" in the attribute editor)
If locked, unlock the account immediately
If they can't remember it, reset it and set a temporary one
Walk them through changing it to something they'll remember
Send written confirmation of the new temporary password via a secure channel, not email where it sits in plain text
Pro tip: Most organisations have a self-service portal now. Point users there first. It filters out 50% of these calls and means you can focus on actual problems.
2. Outlook or Email Not Syncing
Your users rely on email for everything. When it stops working, they panic. This is one of the most common tickets because email configuration is genuinely fiddly.
What usually happens:
User adds an account to Outlook and it just hangs on "Connecting"
They've changed their password and can't reconnect
Mobile device shows all old emails but nothing new arrives
Exchange cache is corrupted
How to fix it:
First check: is the mail server actually working? Check service status in Microsoft 365 admin centre
Delete the account from their email client completely (not just Disconnect)
Wait 30 seconds
Add it back in, using the correct authentication method for your environment (Modern Auth for most 2025 setups)
Force a Sync on mobile devices (Settings > Accounts > Force Sync or equivalent)
If it's still stuck, clear the Outlook offline cache folder: Close Outlook, delete the .ost file in AppData\Local\Microsoft\Outlook, reopen
On mobile, remove and re-add the account, not just refresh
Common mistake: Telling someone to restart Outlook and hoping. That fixes maybe 10% of email issues. Get into the actual configuration.
3. Printer Connection and Print Queue Issues
Printers are genuinely one of the most frustrating pieces of IT infrastructure. They're simple devices that somehow break constantly.
What usually happens:
Printer offline but it's actually on
Print jobs stuck in queue, nothing prints
"Error 0x00000709" (can't find printer)
Printer added to user's machine but credentials are wrong
How to fix it:
First: physically check if the printer is on and has paper (yes, this matters, and yes, people forget)
Clear the print queue on their machine: Go to Settings > Devices > Printers & Scanners > Print Queue > Cancel All Documents
On Windows, you can also go to Services and restart the Print Spooler (spoolsv.exe)
If the printer isn't showing on their machine at all, manually add it by IP address or network name
Check printer settings on the device itself (admin web interface, usually at its IP address)
Restart the printer at the power switch (not just menu restart)
If all else fails, use the printer's built in reset function
Pro tip: Keep a spreadsheet of printer IP addresses and default admin credentials for your organisation's models. It'll save you fifteen minutes every time.
4. Slow Computer or Laggy Performance
"My computer is slow" is vague, but it's one of the most common complaints. The user can't tell if it's their disk, RAM, network, or just too many background processes.
What usually happens:
Disk is full (usually C: drive)
RAM is maxed out (30+ apps running)
Hard drive is failing (older machines)
Network connectivity is dropping
Malware or bloatware slowing things down
How to fix it:
Ask them to describe it: is it slow when they first turn on the computer? During specific tasks? All the time?
Check Task Manager (Ctrl + Shift + Esc): look at CPU, Memory, and Disk usage. If any is consistently above 80%, that's your problem
If disk is full, look at what's taking space: Downloads folder, AppData, temp files (C:\Users\[username]\AppData\Local\Temp)
Uninstall software they don't use
Check startup items and disable anything unnecessary (Services tab in msconfig)
If RAM is the issue, this is harder to fix without hardware upgrade, but at least you know
Run a malware scan (Windows Defender is usually fine for initial check, but if you suspect serious infection, escalate)
Check network connectivity: open Command Prompt, type "ping 8.8.8.8". If no response, it's network
Reality check: Sometimes a computer is just old. If someone's running Windows 10 on a 2013 laptop with 4GB RAM, no troubleshooting will make it fast. This is worth documenting so your manager can budget for replacement.
5. VPN Connection Issues
Remote workers are standard now, and VPN problems usually mean someone can't work at all.
What usually happens:
VPN client won't connect ("Failed to connect")
VPN connects but internet is very slow
User can't access internal resources even when connected
Certificate errors
How to fix it:
Check your VPN server status first
Ask them to completely close the VPN client and reopen it
Check their internet connection independently (is their home WiFi working?)
Reinstall the VPN client if it's outdated
Check if multi-factor authentication is enabled on the account and they need to use that to connect
Have them test from a mobile hotspot to see if it's their home network
Check firewall rules on your end that might be blocking them
If it connects but is slow, it's usually not the VPN itself (that's a red herring). Check if they're trying to run video calls + backup + VPN at the same time
6. Application Crashes or Won't Launch
Whether it's Microsoft Office, a line of business application, or anything else, apps crashing is common and usually fixable quickly.
What usually happens:
Software opens then immediately closes
Gives an error code they don't understand
Only happens to one user while others are fine
Happens after a recent update
How to fix it:
Check if anyone else is having the same issue (check your ticket queue or Slack)
Restart the application and then restart their computer
Check if the software is fully up to date (Help > About or Settings)
Try running the application as Administrator (right-click > Run as Administrator)
Uninstall and reinstall if it's user-installed software
For Microsoft Office specifically, try the Quick Repair first (File > Account > Office Updates > Quick Repair), then Online Repair
Check Windows Update to make sure their OS is current
Document the exact error code and escalate if it's repeating
7. Network Connectivity Drops
A user loses their connection intermittently. Sometimes it's WiFi, sometimes ethernet, and it's maddening to troubleshoot.
What usually happens:
WiFi disconnects randomly and reconnects after a few seconds
Ethernet connection is unstable
User is in a poor WiFi dead zone
Router needs power cycle
Network driver is outdated
How to fix it:
For WiFi: have them move closer to the router to rule out range issues
Check if the router needs restarting (power cycle it for 30 seconds)
Update network drivers (Device Manager > Network Adapters > right-click > Update Driver)
Forget the WiFi network and reconnect (sometimes the saved profile is corrupted)
Check if the same issue happens on different WiFi networks (rules out their home setup)
For ethernet, reseat the cable on both ends
If it's only one user in an office, it's usually their device or location. If it's multiple users, it's network infrastructure (escalate)
Building Real Helpdesk Confidence
The biggest thing these issues teach you is this: most helpdesk problems aren't actually mysterious. They're just variations on the same five or six things. The speed you develop in your first few weeks comes from seeing them multiple times and building muscle memory on the fixes.
If you're considering moving into IT helpdesk from another career (and many healthcare workers do make this exact transition), you don't need to know obscure solutions. You need to know how to methodically work through problems, ask the right questions, and know when to escalate.
The IT Career Programme at SmoothOps 365 covers exactly this foundation through CompTIA A+ exam prep, but we also walk you through real troubleshooting scenarios and interview preparation for helpdesk roles. It's designed specifically for people making this career switch, and runs weekends only so you can keep working while you learn.
If you're unsure whether helpdesk is actually the right first step for you, or whether you'd prefer to move into a different IT track, our free Career Pathway tool gives you a personalised roadmap in about 10 minutes.
[Check out your free career pathway](https://smoothops365.com/roadmap)
