If you use a Mac daily, it's only a matter of time before you encounter a problem, question, or unusual behavior. Although these computers are very reliable, No iMac, MacBook Air, or MacBook Pro is free from performance, connectivity, or software issuesThe key is knowing what to look for and what steps to take before you go crazy... or take your computer to a repair shop unnecessarily.
In this guide to Mac FAQ with frequently asked questions and troubleshooting for your Mac We've gathered, in a single article, everything that's usually scattered: basic usage tips, how to customize the system, macOS compatibility, fixing Wi-Fi or Bluetooth, organizing Mail and Messages, recovering a Mac that won't restart, repairing disks, rebuilding mail, and much more.
Mac performance issues: slow, overheating, or battery drain.
When a Mac starts to stutter, with the fan running at full speed and apps taking forever to open, it's usually due to a combination of lack of space, too many background processes and outdated softwareLuckily, almost everything can be fixed from home.
To regain speed, the first thing is free disk spaceOpen System Settings > General > Storage and check what's taking up the most space: you can delete apps you no longer use, clear downloads, move large photos and videos to an external drive or iCloud, and empty the Trash. macOS needs free space to create temporary files; with disk space at its limit, the system will sluggish.
It is also convenient Close resource-guzzling applicationsGo to Activity Monitor (Finder > Applications > Utilities) and sort by CPU or Memory: if you see an app running high, close it normally, and if it doesn't respond, force it to close with Option + Command + Esc or from Activity Monitor itself.
Another critical point is Keep macOS and apps up to dateOften, a performance issue or crash can be fixed with a minor update. Go to System Settings > Software Update to install the latest version, and if you use apps from the App Store, go to the Updates tab to update everything.
If the problem is that the battery drops sharplyFirst, check your screen brightness, as it's one of the biggest energy consumers. Make sure you only have Wi-Fi and Bluetooth enabled when you really need them. In System Settings > Battery, you can see which apps are using the most power and enable power-saving modes if necessary, and also keep in mind the load limit on macOS to extend battery life.
El overheating This is another common complaint. Avoid using your laptop on soft surfaces (like a sofa or bed) that block the vents. If your Mac gets very hot, close resource-intensive apps, let it cool down, and occasionally clean the vents and fans to remove accumulated dust. A cooling pad can help, but the most important thing is that the system has good airflow.
Connectivity on Mac: Wi-Fi, Bluetooth, and other network issues
When your Mac stops connecting to Wi-Fi or refuses to pair with a Bluetooth mouse or keyboard, it can be incredibly frustrating. Usually, with a few basic steps, you can get it working again. Stable connection without having to touch your ISP's router.
If the problem is the Wi ‑ FiStart with the basics: restart your router and your Mac. Many issues are resolved with a simple restart. Then, have your computer... forget the network and reconnectIn System Settings > Wi-Fi, select your network, tap to forget, and reconnect by entering the password.
It's worth checking if the router firmware It's up to date. Access the router's configuration interface (usually by typing your IP address in the browser (usually attached to a label) and check for updates. An older version can cause problems with newer versions of macOS.
To BluetoothFirst, try turning Bluetooth off and on again from the Control Center or System Settings. If a device still won't pair, remove the pairing and pair it again from scratch. If you're still having problems, resetting the SMC (System Management Controller), which we'll discuss later, might help, as it manages some low-level hardware, including connections.
Frequently asked questions about using your Mac every day
Beyond the flaws, there are a number of Typical questions about settings, shortcuts, and basic functions that come up time and again among Mac users. We'll answer them below with straightforward solutions, and you'll also find recommendations on essential programs for macOS.
How to change the scroll direction and pointer behavior?
If when using the trackpad or mouse you feel like the scrolling is going "backwards", you can adjust the scroll direction and pointer control From System Settings > Trackpad or Mouse. Additionally, in System Settings > Accessibility > Pointer Control you'll find advanced options to modify speed, control method, enable Mouse Keys, or even control the pointer with facial expressions.
How do I find my Mac's serial number?
To know the your Mac serial number Without turning your laptop over or looking for the box, click the Apple menu > About This Mac. In the window that appears, you'll see information about the model, macOS version, and serial number. You can also press the Option key while opening the menu and go to System Information; you'll find it again in the Hardware section. Some keyboard shortcuts, such as Command (⌘) + 4 in certain contexts, allow you to quickly copy it.
How to cut, copy, and paste files in Finder?
The Finder works with keyboard shortcuts very similar to those of other systems, but in macOS the Cutting files is done in a slightly different wayTo copy a file: Command + C. To paste it into another folder: Command + V. If you want to move (cut) instead of copy, first copy the file (Command + C) and then, in the destination folder, use Option + Command + V; this will move the item and remove it from its original location. You can also do this in the Finder. resize Finder columns to adapt the view to your workflow.
Which Macs are compatible with macOS Sonoma?
Not all Macs can install the latest operating system versions. Among the compatible models are... macOS 14 Sonoma These include, but are not limited to: 2018 13-inch MacBook Pro with four Thunderbolt 3 ports or later, 2018 13-inch MacBook Air Retina or later, 2019 or later 21,5-inch iMac 4K, 2017 iMac Pro, 2018 or later Mac mini, Mac Studio (2022 and 2023), and Mac Pro (2019 and 2023). If your computer is older, you'll need to stay on an earlier version of macOS; see also reviews on the point of no return for Intel Macs.
How to customize the Dock?
The Dock is one of the most visible features of macOS and you can Easily adapt it to your likingIn System Settings > Desktop & Dock, you can change its size, position (bottom, left, or right), hover behavior, show or hide recent apps, and choose which icons are visible. You can also drag apps and folders to the Dock for easy access, or drag them out, and learn how to change the positioning of the applications on the screen.
How to take screenshots on Mac?
To quickly capture what you see on your screen, you have several shortcuts. capture toda la pantallaTo capture a screenshot, press Shift + Command + 3. If you want to capture only a portion, press Shift + Command + 4 and drag over the area you want to save. After capturing, a thumbnail may appear in the corner for on-the-fly editing, and the image is saved to the desktop by default unless you've changed the location.
What are the differences between MacBook Air and MacBook Pro?
The line MacBook Pro is designed for more intensive usewith more powerful processors, better graphics options, more ports, brighter screens and, in general, geared towards professional profiles or demanding users (video editing, 3D, heavy development…).
The range MacBook Air focuses on lightness and battery lifeIt's ideal for everyday tasks (office work, browsing, streaming, simple projects), with a very thin chassis, outstanding battery life, and more than enough power for most users, but without reaching the raw power of the Pro models under extreme loads.
How to rearrange menu bar icons?
If you want to change where each icon appears at the top of the screen, you can reorder the menu bar Hold down the Command key and drag the icons left or right. Some apps allow you to choose whether or not to place them there in their preferences. To add or remove system elements (Wi-Fi, Bluetooth, clock, spotlight, etc.), go to System Settings > Control Center and adjust what is displayed in the bar.
How to set up a printer on Mac?
To add a printer, go to System Settings > Printers and scanners, tap the + symbol, and let the system complete the process. detect USB, network or AirPrint printersChoose your printer, install the driver if prompted, and set it as the default if you'll always use it. In the same section, you'll find the print queue where you can pause, reorder, or clear stuck print jobs.
How to disable annoying notifications?
If an app is too heavy with notifications, you can silence your notifications individuallyIn System Settings > Notifications, select the app and uncheck “Allow notifications.” You can also adjust the style (banners, strips, sounds, icon badges) or use Focus Modes to silence everything while working, resting, or playing.
What exactly is a Macintosh?
The term Macintosh, or simply Mac, defines Apple's family of personal computers Launched in 1984. From that first model with a graphical interface and integrated mouse to the current Macs with Apple Silicon chips, the philosophy has remained the same: hardware and software designed together to offer a polished, powerful, and stable experience.
Mail on Mac: common mistakes and how to fix them
Mail, the email client built into macOS, usually works well, but when it fails it can be a real headache. The most common problems include crashes, messages that are neither sent nor received, folders that disappear, search that stops working, or disconnected SMTP servers.
Mail won't start or keeps closing since an update
After updating macOS (for example, back in the day with Catalina or later versions), some users find that Mail doesn't even open or close right after starting upFirst, check that the Mail app is still in the Applications folder: open Finder > Applications and locate Mail. If it's not there, search for it using Spotlight (Command + Space) and drag the icon to Applications before trying to open it again.
If the app is on your site but not working, you can help. delete saved Mail stateFrom Finder, on the Go menu, hold down Option and select Library. Navigate to Containers > com.apple.Mail > Data > Library > Saved Application State and delete the com.apple.mail.savedState folder (or move it to the Trash). Then empty the Trash, restart your Mac, and try opening Mail again.
Problems logging in or out of Mail accounts
Another classic is getting stuck in a loop of Log in and out with email accountIf your account is incorrectly configured, you can reactivate it by going to System Settings > Internet Accounts, selecting the service (iCloud, Gmail, Exchange, etc.), and checking the Mail box again. If you completely deleted an account, you'll need to add it again from Mail > Add Account and follow the wizard to reconfigure it.
When you want to sign out of a specific account without deleting it, go to Mail > Settings > Accounts, select the account in the sidebar and uncheck the Mail option to temporarily disconnect it without deleting the settings.
Mail is very slow, it freezes or doesn't respond.
If Mail responds slowly, takes a long time to open, or seems to be stuck, start by force its closure and relaunch itPress Option + Command + Esc, select Mail, and choose Force Quit. You can also close the process from Activity Monitor by searching for "Mail" and clicking the X icon.
If he continues to misbehave, you can try rebuild the mailboxesOpen Mail, select a mailbox in the sidebar (for example, Inbox), and go to Mailbox > Rebuild. The process may take some time, especially if you have many messages or IMAP accounts, but it helps fix corrupted indexes that cause slowness and errors.
In more stubborn cases, it is advisable delete and reindex the envelope files which Mail uses for searching. Close Mail, open Finder, go to Library (Go > Library while holding down Option) > Mail > Vx folder (the number depends on your macOS version) > MailData and locate the Envelope Index, Envelope Index-shm, and Envelope Index-wal files. Make a copy on your desktop and delete the originals from MailData. When you reopen Mail, the program will regenerate these indexes from scratch.
Folders that are not appearing and search that is not working
If you're missing a Mail folder or can't see all your messages, use the option Connection DoctorIn Mail, go to the Window menu > Connection Doctor to check for server or account issues. Sometimes simply deactivating and reactivating the account in Settings > Accounts, or deleting and adding it again, will make IMAP folders reappear.
When the Mail search stops finding messagesTry launching the app in safe mode: close Mail, hold down the Shift key while clicking its icon in the Dock, let it open, close it, and then launch it normally. If it still doesn't search correctly, combine this trick with reindexing the Envelope files we discussed.
Problems sending or receiving emails
If messages get stuck in the outbox or a notification appears SMTP server disconnectedCheck in Mail > Settings > Accounts, Server Settings tab. Verify that the outgoing server matches the one provided by your provider (for example, smtp.gmail.com) and that the port used (25, 465, 587, etc.) is not blocked by a firewall. You can correct username and password information from "Edit SMTP server list".
For the problems of receiving emailsFirst, check if you have any active filters in Mail that might be hiding messages. In the toolbar at the top of your email list, turn off the Filter button, or go to View > Filter > Turn Off Message Filter. If the messages still aren't arriving, check if you've blocked any senders (by selecting an email address, clicking the arrow next to the name, and choosing "Unblock Contact") and check Connection Doctor for firewall or server issues.
In scenarios where Mail gets stuck “Downloading messages” indefinitely, a typical solution is temporarily deactivate accountsIn Mail > Settings > Accounts, uncheck Mail for all your accounts, close the app (force quit if necessary), and reopen it. Then, activate the accounts one by one, waiting for each one to finish syncing before moving on to the next.
iCloud, Gmail, Yahoo, Exchange, and other providers on Mac
Each supplier has their quirks. With gmailSometimes the problem is that Google considers Mail a "less secure app." From your Google account website (myaccount.google.com), in the Security section, check the App Sign-In section and make sure you have IMAP enabled (in Gmail > Settings > Forwarding and POP/IMAP). If everything is correct, remove the Gmail account from Mail and add it again, or manually configure imap.gmail.com and smtp.gmail.com.
With YahooFirst, check that the account works in your browser. If you're not receiving emails there either, the problem is with Yahoo and you'll have to resolve it with them. If it works fine on the web but not in Mail, delete and re-add the account, and check Yahoo's filters (spam folder, blocked addresses, filters that move emails to secondary folders).
In the case of iCloud MailOpen Mail > Settings > Accounts and make sure your iCloud account is active and online. You should also check in System Settings > iCloud if Mail is selected. If you've reached your iCloud storage limit, free up space by deleting old backups, large files from iCloud Drive, or photos you no longer need.
To Exchange or Office 365It's essential that both macOS and the Mail app itself are fully updated. If Mail refuses to sync with Exchange, remove the account, restart your Mac, and add it again using the Microsoft Exchange option. If it still fails, starting your Mac in safe mode or even creating a new user account can help rule out profile issues.
Alternatives to Mail when you can't take it anymore
If after struggling with all these adjustments you feel that Mail is holding you back, you can always switch to a alternative mail clientAmong the most popular email clients on Mac are Spark (with its smart inbox, templates, and advanced filters), AirMail (deeply integrated with Gmail, G Suite, and iCloud), and apps like Newton and Mailplane, which specialize in Google accounts. Each offers its own advantages in organization, integration with other apps, and managing multiple accounts.
Other common Mac issues and how to deal with them
Besides email and connectivity, there are macOS bugs that are very common: the Mac It doesn't restart, it doesn't turn off, it gives errors when opening apps, or it even shows that an application is damaged and cannot be opened.It's advisable to know the safest exits before touching anything more delicate.
When your Mac doesn't restart or freezes when shutting down
A typical reason for a Mac to freeze on restart is that there is background programs or system processes that never fully closeStart by closing all open apps; if any remain frozen, force close them with Option + Command + Esc. If it still doesn't restart, open Activity Monitor and kill any processes that appear in red or with a "Not Responding" status.
It also helps a lot Update all apps from the App Store (Updates tab) and from the installers themselves if they are third-party apps. Often, an outdated app is preventing a clean shutdown. While you're at it, check your free disk space: if it's almost full, delete files and apps, because the system needs room to reorganize files when shutting down and restarting.
Scan for malware and repair the disk
Although macOS has good defenses, no system is perfect. If you suspect something is preventing your Mac from restarting or causing it to behave strangely, it's advisable to... Strengthen security with integrated toolsIn System Settings > Security and Privacy > General, check that Gatekeeper only allows apps from the App Store or identified developers. XProtect and the malware removal tool work in the background, provided you have system updates enabled.
If you notice disk errors (files that won't open, frequent crashes, error messages), open Disk Utility (Finder > Applications > Utilities) and select your internal drive. Click First Aid to have the system check for and repair logical errors. It's safe, but if the drive had bad sectors, some files may be lost; that's why it's vital to have backups (for example, with Time Machine) and, in case of emergency, to use data recovery tools.
Reset the SMC and boot into safe mode
El SMC (System Management Controller) It handles functions such as power management, fans, and some startup processes. If you notice unusual behavior (fans always running at full speed, battery not charging properly, problems turning on or restarting), it might be a good idea to reset it. The procedure differs depending on whether your Mac has an Intel or Apple Silicon chip, but on classic Intel laptops, it usually involves shutting down the Mac, connecting the power cord, and simultaneously holding down Shift + Control + Option + the power button for a few seconds before releasing them and starting up normally.
El boot in safe mode This is another very useful resource. Shut down your Mac, turn it on, and then immediately hold down the Shift key until you see the login screen. Safe Mode loads only the essentials, checks the disk, and disables third-party extensions, which helps determine if the problem stems from something that loads at startup.
Errors with Mac App Store apps
Sometimes, when you download an app from the store, you see a message that the The application is corrupted and cannot be opened.In most cases, the problem lies in the communication with the Mac App Store, not the app itself. Sign out of the App Store from the Store menu > Sign Out, restart your Mac, sign back in, and completely delete the app (including emptying the Trash) before downloading it again. If you're using an older version of macOS, consider updating, as some apps require recent versions.
Messages on Mac that don't sync with iPhone
macOS lets you view and reply to SMS and iMessages from your computer, but if you notice that Messages on Mac doesn't update with the iPhoneFirst, check that you're using the same Apple ID on both devices. On your iPhone, go to Settings > Messages > Text Message Forwarding and turn on sending to your Mac. If it still doesn't work, turn off Messages on your Mac, sign out of iCloud and sign back in, or try restarting both computers. Also, betas and updates may affect the continuity between iPhone and MacSo keep that in mind if you're using preview versions.
Knowing these frequently asked questions and the key steps to answer them makes it much easier to keep your Mac in top condition: from Adjusting the daily experience (Dock, pointer, screenshots, notifications) can lead to major problems such as failed restarts, Mail crashes, disk errors, or synchronization failures with iCloud and Messages.With some organization, up-to-date updates, and minimal maintenance, your Mac can continue to perform well for many years without needing to be constantly in the repair shop.
