IT Troubleshooting
Small business IT problems, and how to fix them
Step-by-step help for the computer, email, Microsoft 365, and security problems small businesses deal with every day. Try the quick fixes — and call us when you'd rather have it handled.
Computer problems
Computer Running SlowMost slow computers have one of a few problems: too many programs starting with Windows, not enough memory for how you work, a nearly full drive, or an old spinning hard drive.Computer Won't Turn OnStart with power: outlet, power strip, cable, and adapter.Blue Screen of Death (BSOD)A blue screen means Windows hit an error it couldn't recover from.Computer Keeps RestartingRandom restarts usually come from overheating, power problems, a crashing driver, or Windows Update restarting automatically.Windows Update StuckLarge updates can genuinely take a long time, so wait at least an hour if the drive light is still active.Laptop OverheatingLaptops overheat when air can't flow through them — dust in the fan, blocked vents, or use on soft surfaces — or when a program is working the processor hard.C: Drive Full / Low Disk SpaceStart with the built-in tools: Storage Sense and Disk Cleanup remove temporary files and old update files safely.Second Monitor Not DetectedCheck the cable, the monitor's input setting, and Windows display settings first.Microphone Not Working in Teams or ZoomMost of the time the meeting app is using the wrong microphone, or Windows privacy settings are blocking it.
Email & Microsoft 365
Outlook Not RespondingAdd-ins are the most common cause.Outlook Not Receiving EmailsFirst sign in to Outlook on the web.Outlook Keeps Asking for PasswordThis is usually caused by outdated saved credentials or a sign-in problem between Outlook and Microsoft 365.Your Emails Going to SpamMail providers like Gmail and Outlook check that your domain is set up to prove your emails are real.Mailbox FullClear the biggest items first: large attachments, Deleted Items, and Sent Items.OneDrive Not SyncingClick the OneDrive cloud icon to see the specific error.Microsoft Teams Not WorkingQuit Teams completely and reopen it.
Security & accounts
I Clicked a Phishing LinkIf you entered a password, change it right away from a different, trusted device, and make sure multi-factor authentication is on.Email Account HackedTreat it as urgent.Signs of a Virus or MalwareDisconnect the computer from the network, then run a full scan with Microsoft Defender or your business antivirus.Ransomware: What to DoDisconnect affected computers from the network immediately — unplug cables and turn off WiFi — but don't turn them off or wipe them.Lost Phone With Authenticator AppIf you set up a backup method, like a phone number or another device, use it to sign in and register the new phone.Locked Out of Windows / Forgot PasswordHow you get back in depends on the account type.
Data & updates
Windows 10 End of SupportComputers on Windows 10 keep working, but without security updates they become easier to attack and may fall out of compliance with insurance or industry rules.Backups Failing or Not TestedA backup only matters if you can restore from it.Recover Deleted FilesCheck the Recycle Bin first.
Rather have someone just fix it?
We support small business computers, email, Microsoft 365, and security across Orange County — on-site or remote, without the runaround.