It’s 1:47 p.m. A client is waiting, and the program you need is taking forever to open. You click again. Nothing. Your computer is running slow, and your workday is slipping away.
That’s frustrating. The good news: a few simple checks can often help. And if they don’t, you don’t have to figure it out alone.
Start with the simple fix: restart
A restart can clear temporary problems and close background tasks that have built up. Save your work first, then choose Restart from your computer’s menu. A restart is more useful than closing the lid or putting the computer to sleep, because those don’t fully start it over.
If your computer is frozen, give it a moment to respond before holding down the power button. Forcing it off can cause you to lose unsaved work.

Too many programs or tabs open?
Every open app and browser tab uses some of your computer’s resources. That includes apps you may have forgotten about, like video calls, file syncing, or chat tools.
Try this:
- Close apps you’re not using.
- Close browser tabs you don’t need right now.
- Quit an app that has stopped responding, then reopen it.
- If one program is consistently slow, check for an update or ask for help before removing it.
If your computer gets slow again as soon as you open your usual apps, it may need a closer look. You shouldn’t have to keep shutting down essential tools just to get through the day.
Check for updates that need a restart
Updates can improve security and fix software problems. But an update that’s waiting to finish, or a restart it needs, can sometimes get in the way of your work.
Check for updates in your computer’s built-in settings. Install available updates when you have time, then restart if prompted. Avoid update links in unexpected pop-ups or emails. Use the settings on your computer or the software maker’s official website.
For Windows, Microsoft’s performance tips explain common checks, including updates and startup apps. For Mac, see Apple’s guide to a slow Mac.
Is your storage almost full?
Your computer needs some free space to handle everyday work and updates. When storage is nearly full, you may notice slower performance or trouble installing updates.
Check the storage area in your computer’s settings. If space is tight, start with files you recognize:
- Empty the trash or recycle bin.
- Remove downloads you no longer need.
- Uninstall apps you recognize and no longer use.
- Move large personal files to a trusted external drive or cloud account.
Don’t delete unfamiliar system files just to make room. If you’re not sure what’s safe to remove, pause and ask someone who can check.

Do programs open every time you turn on your computer?
Some apps start automatically when you sign in. A long list can make startup slower and leave more programs running in the background.
On Windows, you can review Startup apps in Task Manager. On a Mac, review Login Items in System Settings. Turn off automatic startup only for apps you recognize and don’t need right away. If you’re uncertain, leave the setting as it is and get help first.
Microsoft’s startup app instructions walk through the Windows settings. Apple’s instructions for managing Mac login items cover the Mac equivalent.
When is slow performance a warning sign?
A slow computer does not automatically mean you have a virus or failing hardware. Often, there’s a straightforward cause. Still, take a closer look if the slowdown is sudden, keeps returning, or comes with other unusual behavior.
Watch for signs such as:
- Frequent freezes, crashes, or error messages.
- Unexpected pop-ups or browser pages you didn’t open.
- Programs you don’t recognize starting on their own.
- The computer becoming unusually hot or making new, repeated noises.
- A storage warning, or files that suddenly won’t open.
Don’t click suspicious messages or install a “speed-up” tool from an unexpected pop-up. If you notice several of these signs, stop and get advice. If your files are accessible, make a backup of important work using a method you trust.
Still slow? Make a note of what’s happening
If your computer keeps freezing after a restart and basic checks, take note of when it happens. Is it one program, a video call, or almost everything? Does it start after signing in, or only after the computer has been on for a while?
Those details help narrow down the cause. The problem could involve a specific app, limited storage, background tasks, or hardware that’s struggling with your current workload. You don’t have to diagnose it yourself.
Computer problems? Now you have someone to call.

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