How To Tell If Your Mac Has Been Hacked – When was the last time you restarted or shut down your Mac? In the post-iPhone era, most devices are now powered on almost all the time. For better or worse, computing environments have adapted to this “always-on” trend, but you still need to reboot your devices regularly, especially your Mac.
In case you’re wondering, Mac OS X’s built-in utilities give you information about your computer’s uptime status, recent restarts, and recent shutdowns, and it’s very easy to access. This data can then be used to help diagnose kernel panic issues, troubleshoot random reboots, hand over to tech support, or just satisfy your curiosity.
How To Tell If Your Mac Has Been Hacked
Uptime is the amount of time your Mac has been running since it was last shut down or restarted. If you have high uptime, congratulations, you have a smooth, unbeatable machine. If not, you might reboot to free up RAM or fix random glitches that occur.
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You can quickly view this information through the System Information utility, which is reminiscent of the Windows Task Manager’s uptime feature.
Just open System Information on your Mac. You can find it in Spotlight or Launchpad, open it from the app’s Utilities folder, or open it directly from the menu bar. For the latter, click the Apple icon and hold down the Option key to change “About This Mac” to “System Information”.
Once in System Information, select the Software title from the left sidebar. The last entry in the right panel, aptly named “Time Since Startup”, will tell you how long your Mac has been running.
Launch Terminal applications on your Mac using any method you like: Spotlight, Launchpad, Utilities folder, etc. When your terminal window pops up, just use the uptime command. Type it and hit enter on the keyboard. That’s it.
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As you can see above, uptime is the second entry (blue). With this command, you can also view the current system time (red), the number of open terminal windows (yellow), and the system load average over the past 1, 5, and 15 minutes, which is an indicator of how busy your system’s resources are.
Open the terminal again (if not already open) and use the last reboot or last shutdown command. Just type them one by one and press enter on your keyboard. Apparently the former logs every time the Mac is restarted, while the latter logs when it shuts down completely. These logs have a history from when OS X was first installed on the Mac, i.e. the date the log was first created; just look at the “wtmp start” date at the bottom of the log.
It should also be noted that recent reboot/shutdown history includes Mac OS X kernel panics (when your system detects a fatal error and shuts down) and power on/off events you initiated via software or hardware buttons.
Finding this information for your Mac is easy and may be useful for troubleshooting if you’re having problems with your computer randomly shutting down.
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MacBooks are great devices, and they are the biggest competitors of Windows computers. They offer a sleek look, great user interface, and performance, so it’s no wonder so many people use them.
However, you may also experience issues on your Mac. Speaking of which, many users have reported screen glitches.
According to users, their MacBook screens are covered in lines. This can be a major hurdle because it interferes with your work, so it’s important to fix it.
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This is most likely a hardware issue, but there are few solutions you can try to fix this on your MacBook.
Often, lines appear on the MacBook screen due to overheating or hardware failure. Users claim that the T-CON board is overheating, causing this problem.
In a MacBook, the board is placed close to the heatsink, which can cause it to overheat, especially when performing any resource-intensive tasks.
This is most likely a hardware related issue and updating the system won’t do much. Even if you try to update, your MacBook might get stuck during the update.
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If you encounter this problem, try cooling the device or cleaning it and making sure it doesn’t overheat.
If your Mac is overheating, vertical lines may appear on your display. If this is the case, be sure to use reliable fan control software and increase airflow.
Alternatively, you can try using a cooling pad during intensive tasks. Remember, this tip may not work for everyone.
This is just a workaround, but it can help you determine if the problem is with your monitor or the GPU. Just connect any HDTV to your MacBook with an HDMI cable and check if the lines appear on the second screen.
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If it doesn’t, your MacBook display is faulty. If lines appear on the external monitor, your graphics card is causing the problem.
Either way, it’s a hardware issue, so it’s best to contact Apple’s repair center for repairs.
The optimum temperature for a Mac is 100°F (40°C) to 192°F (89°C). If it exceeds the maximum value, you may experience problems such as slowdowns or visual glitches.
Temperature issues are also associated with high CPU usage on Macs, so be sure to keep an eye out.
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Lines on a MacBook screen can be a serious problem, and they are mostly caused by hardware failure or overheating.
Hopefully you can resolve this issue with our solution, but since this is a hardware issue, it’s best to take your device to an Apple certified store for repair.
This article was co-authored by staff writer Nicole Levine, MFA. Nicole Levine is . She has over 20 years of experience creating technical documentation and leading support teams at major web hosting and software companies. Nicole also holds a master’s degree in creative writing from Portland State University and has taught composition, fiction writing, and magazine production at various institutions.
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This article cites 8 references, which can be found at the bottom of the page.
Wondering if your Mac is too old to run macOS Monterey? Every time a new version of macOS is released, some older models are excluded from the update. We’ll show you how to determine if your MacBook or Mac desktop can be updated to the latest version of macOS, and what to do if you can no longer update your Mac.
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You’ve probably heard that your Mac doesn’t get viruses. While the powerful security tools included in macOS may have inspired this claim, no operating system is unbreakable. Mac malware does exist, and Macworld lists some of the biggest threats for 2022. For security, you can also use the desktop application of . Keeping your Mac safe is a breeze with its fast anti-malware scans and 24/7 real-time antivirus protection.
Yes. Unfortunately, Macs are not antivirus. New threats to Mac security are emerging at an alarming rate. In 2022 alone, cybercriminals have created nearly 675,000 viruses capable of severely damaging your device and violating your privacy.
While some types of malware can go undetected for months or even years, the presence of other types of malware is immediately noticeable. Watch out for the following red flags that it’s time to check your Mac for malware:
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If your Mac shows any signs of infection or starts to behave strangely, it’s time to scan your Mac for malware.
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