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A glance at your Mac’s Activity Monitor will reveal a process called WindowServer at the top section of the list. It is one of the many system processes that your Mac cannot do without.
In this explainer, we’ll walk you through the nature of the WindowServer and what it does on your Mac. We’ll also cover reasons why the process is always running in the background, and what to do when it becomes a CPU hog.
Table of ContentsWhat is WindowServer on Mac?
WindowsServer is a central component of the Mac operating system that’s responsible for projecting the visual interface of applications on your screen. The WindowServer also manages other important system graphical user interfaces (GUI) like the Dock and Menu Bar. Every single thing that comes on your Mac’s screen was made possible by the WindowsServer.
macOS starts WindowServer automatically when you log in to your Mac. The process will stay active in the background, powering the graphical/visual interface of all applications until you log out or shut down your Mac. Asides from providing graphical support to applications, some background applications without a user-facing interface also rely heavily on the WindowServer.Is WindowServer Safe?
WindowServer on Mac is a harmless system process. If anything, it helps applications and other system processes function correctly. You should only worry about WindowServer when it overburdens the CPU, raises fan noise, or slows down your Mac’s performance.
You may be tempted to force-quit WindowServer if you find it using an insane amount of CPU resources in the Activity Monitor, but you shouldn’t. You can’t use your Mac without this process running in the background.
Force-quitting WindowServer will close all active applications, refresh the operating system, and log you out of your Mac. When you sign back in, macOS will automatically launch WindowServer in the background again and the cycle continues. That goes to show how important the process is to the proper functioning of your Mac.
Despite being a safe system process, WindowServer sometimes causes your Mac to malfunction. In the next section, we explain why that happens and how to nip WindowServer’s high CPU usage in the bud.What Causes WindowServer High CPU Usage (And How to Fix)
Naturally, WindowServer’s CPU and memory consumption will depend on the number of active applications using the process on your Mac. However, the following factors can result in high CPU usage issues:1. You Have Too Many Items On Your Desktop
Remember that everything on your Mac’s display was put there by the WindowServer. The more items (icons, files, folders, etc.) there are on your desktop, the more processing power required by WindowServer to keep them there.
If WindowServer is using excessive CPU power and there are over 50 items on your desktop, delete unnecessary files and icons. Better yet, move them to a single folder on the desktop.2. Too Many Active Apps and Windows
Having too many active apps and windows may also cause WindowServer CPU usage to skyrocket. Close unnecessary windows and applications that you aren’t using.3. A Buggy Program Is Causing the Problem
If WindowServer’s CPU usage shoots through the roof only when you launch a particular application, the app most likely has a bug causing it to malfunction. To pinpoint the app causing the problem, close all active applications and relaunch them one at a time. Use an application for at least 3-5 minutes and check the WindowServer usage in the Activity Monitor.
If an application abnormally spikes WindowServer’s CPU consumption, update the app and check if that fixes the problem. Otherwise, contact the app developer to file a bug report.4. Your Gaming Mouse Is Another Potential Culprit
Some Mac users noted that using a gaming mouse on their devices caused WindowServer on Mac to use a lot of CPU power. Disconnect any gaming accessory connected to your Mac and check if that reduces WindowServer CPU usage.5. Visual Effects and Animation
macOS ships with a “Transparency” feature that blurs the background of active windows against your desktop picture. While this feature adds some sort of aesthetic effect and visual to app windows, it could cause the WindowServer to consume high CPU power—particularly when you have too many windows open.6. Multiple Virtual Desktop or External Monitor Setup
WindowServer consumes more CPU power and memory if you use an external display. The process uses even more processing power to transmit visuals to multiple monitors. If you use multiple displays with your Mac, disconnect one monitor and see if that reduces WindowServer CPU usage.
If the problem continues, return to the Mission Control menu and uncheck Displays have separate Spaces.
Note: Disabling “Displays have separate Spaces” in Mission Control will reduce WindowServer’s CPU usage, but your external monitor may go blank if you use an application in full-screen mode.WindowServer on Mac Simplified
Hopefully, you now know what WindowServer is and why the process runs in the background at all times.
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This curiously labeled disk storage item is similar to the “Other” storage space on the Mac that many users wonder about, so if you’re curious what purgeable storage space is, and how to free it up to clear it out, then read on.What is the Mac Purgeable Storage?
Purgeable space on the Mac includes a variety of things, ranging from caches, temporary files, backup files, and if you use Optimize Mac Storage, some files and data from iCloud too.
Purgeable space will be cleared out automatically by macOS when the system needs the storage capacity, but it can also be cleared out manually somewhat indirectly by addressing the features that are causing files to be labeled as purgeable.How to Clear Purgeable Space on Mac
Remember, Mac OS will clear the purgeable space on its own if the storage capacity is needed.
Other than letting macOS manage the purgeable disk storage on it’s own, if you want to clear it on your own you can do so by disabling the Optimize Mac Storage setting, and also rebooting the Mac.
Before using any of the tips below, you should backup your Mac with Time Machine just in case.Use Time Machine? Backup the Mac
If you use Time Machine but haven’t backed up recently, say because the backup disk is disconnected from the Mac, then backing up the Mac with Time Machine may clear out a significant amount of “Purgeable” space.
This doesn’t always work, but if that purgeable storage space includes Time Machine snapshot data, then letting a backup complete will often clear that space.Disabling Optimize Mac Storage
Turning off Optimize Mac Storage has consequences for data stored on iCloud, but it can also remove or clear the “Purgeable” storage space on a Mac (keep in mind the data is being downloaded to the Mac, so you’re not necessarily freeing up space, simply reallocating it).
Open System Preferences from the Apple menu
Choose your Apple ID or iCloud settings
Uncheck the box for “Optimize Mac Storage” (on earlier MacOS versions this setting is within iCloud Drive settings)
This will require the Mac to download files from iCloud to the local disk.
Of course if you use Optimize Mac Storage you won’t want to disable this.Reboot MacOS
Rebooting the Mac clears out temporary items, tmp files, and many caches, which is stuff that macOS also considers to be purgeable. Typically this stuff is much smaller than data from iCloud however, so you may not see as big of a drop in the size of the purgeable space.
Nonetheless, rebooting the Mac is simple and will typically reduce the purgeable storage that comes from temporary files and caches.
Go to the Apple menu and choose “Restart”.
BTW, if you’re going to restart the Mac anyway, it’s also a good time to install any available system software updates, like point releases and security updates.Empty the Trash
Simply emptying the Trash Can may free up space allocated as “Purgeable” in some situations, particularly when the files are temp or cache files from an app.Other methods to clear Purgeable disk storage on Mac
Since Purgeable disk space is storage the Mac has determined can be cleared out when needed, simply using the Mac will typically cause the purgeable storage capacity to change (both growing and shrinking.
Manually clearing caches and temporary files can sometimes reduce the purgeable space.
Sometimes quitting apps with heavy iCloud storage can reduce the purgeable space too, for example.
There are mixed reports of turning off iCloud Desktop & Documents, and even disabling iCloud Drive decreasing the purgeable storage, but that’s not desirable if you use iCloud Drive or the iCloud Documents & Desktop features.
Some users have found that emptying the Trash can clear out Purgeable disk space, particularly if the Trash can has grown to be extremely large, or filled with temporary files from an app.
Some third party apps also offer to clear caches and temp files from the Mac, but rarely is that needed.
Starting with iOS 14, Apple bolstered iPhone privacy with lots of exciting additions. Most of them—such as App Tracking Transparency (ATT)—made constant headlines and significantly impacted the way apps function.
But a feature that mostly flew under the radar was MAC randomization. Its built-in functionality goes a step beyond by helping you preserve your anonymity from unscrupulous Wi-Fi networks.
Table of Contents
If you want to figure out what MAC randomization does and how you can use it to set up or change your private MAC address on the iPhone, then keep reading.What Is a Private MAC Address on an iPhone?
Your iPhone comes with a hard-coded set of twelve hexadecimal characters called the MAC (or Media Access Control) address. It’s what helps Wi-Fi networks distinguish the device from other smartphones, laptops, and desktops around you. If you’re curious, here’s how MAC addresses work in detail.
However, each MAC address is unique, and that presents privacy-related implications. For example, a network operator can track you across locations when your iPhone joins (or probes) for public Wi-Fi hotspots.
That’s where MAC randomization comes into the picture. If you have iOS 14 or later installed, your iPhone now sports the ability to change (or mask) your real MAC address on your iPhone with a randomized string of hexadecimals.
Better yet, your iOS device generates separate (or private) MAC addresses for each network it joins. That makes it next to impossible for Wi-Fi providers to profile you based on your MAC address alone. MAC randomization is also active by default, so you don’t have to do anything to protect your privacy.
However, you may run into instances where you’ll have to double-check the private MAC address for a specific Wi-Fi network, change it to something else, or delete it altogether.How to Find a Private MAC Address on iPhone
Any iPhone running iOS 14 uses private MAC addresses for each Wi-Fi network it joins (or attempts to join). If you want to double-check or reference it for network troubleshooting purposes, then here’s how:
1. Open the Settings app on your iPhone.
2. Tap Wi-Fi.
3. Tap the Info icon next to a Wi-Fi network. You should see the private MAC address listed next to Wi-Fi Address.
Note: If the switch next to Private Address appears disabled, you’ll see the iPhone’s actual physical address instead. Turn it and tap Rejoin (if the device is actively connected to the network) to conceal it with a private address.How to Change a Private MAC Address on iPhone
Your iPhone uses separate private MAC addresses for each Wi-Fi network to reduce the chances of being tracked. However, iOS continues to use the same address that it initially assigns to a network even if you disconnect and rejoin. Forgetting a hotspot and rejoining also won’t regenerate a different MAC address.
The only way to change the private MAC address for a Wi-Fi hotspot is to reset the network settings on your iPhone. That’ll also change the private addresses for every other hotspot that you’ve joined in the past.
If you want to go ahead with a network settings reset, then here are the steps you need to follow:
1. Open the Settings app on your iPhone.
2. Tap General.
3. Scroll down and tap Reset.
4. Tap Reset Network Settings.
5. Enter your device passcode and tap Reset Network Settings again.
Note: A network settings reset wipes all network-related preferences and settings on your iPhone. You must reconnect to each Wi-Fi network manually afterward.How to Disable a Private MAC Address on iPhone
You may come across Wi-Fi networks that prevent you from joining unless you use your iPhone’s actual MAC address. In addition, some operators may let you join but prevent you from accessing the internet. When that happens, you must manually deactivate the private MAC address for the network. Here’s how:
1. Open the Settings app on your iPhone and tap Wi-Fi.
2. Tap the Info icon next to the network.
3. Turn off the switch next to Private Address.
If you’ve already joined the network, tap Rejoin to reconnect to it. If not, tap Join This Network.Protect Your Privacy with MAC Randomization
Private MAC addresses are a terrific way to protect your privacy if you switch between Wi-Fi networks regularly. The best thing about MAC randomization is that your iPhone handles everything for you on its own. You may want to look up a private address or disable it if you have connectivity issues with a specific network.
ChatGPT is an excellent AI chatbot that can be extremely beneficial for its user in solving queries, writing stories and poems, generating essays, etc. Ever since ChatGPT’s release, it has been extensively used by people, with subscribers adding up every day.
But regardless of the benefits provided by ChatGPT, there are still a few limitations and risks associated with an AI chatbot. There are a few things you should be wary of when using the AI chatbot, however. According to the developers, Chat GPT does have the potential to produce biased and harmful content
This uplifts the question, Is ChatGPT safe? Are there any risks? Is ChatGPT a cybersecurity threat?
Is ChatGPT safe to give your phone number?
ChatGPT asks for a phone number to confirm your identity and provide services. So, when you provide your number, you aren’t exactly giving your number to ChatGPT, as the service isn’t the same as OpenAI.
Although, providing a phone number will always raise a small amount of risk. Like, if the security is breached, any data consumed by the company has the potential to become a target. But, as we discuss elsewhere you do need a phone number to use Chat GPT.
Is ChatGPT safe to download?
For now, you can’t download ChatGPT as there is no official app available for users. ChatGPT is only accessible through web browsers on the PC or smartphones. So, if you find an app pretending to be ChatGPT, don’t download it as it can be risky.
Scammers often create these fake apps to commit fraud or scams, if you have any app named ChatGPT or ChatGBT, delete it immediately. ChatGPT is powered by OpenAI, therefore, you shouldn’t download any app from anywhere else apart from OpenAI’s official website.
What are the ChatGPT risks?
The biggest risk of ChatGPT is its ability to generate phishing and spam emails. Hackers and fraudsters can use ChatGPT to develop these emails. To be safe from all off these you must use a VPN and get Surfshark right now. Since the AI models have been trained with a large amount of information, it’s easier for hackers to develop these dangerous emails, which can appear quite convincing to many.
It’s possible for fraudsters to create these dangerous emails with links and send them to various people for personal gain and commit scams.
There is another possibility of scammers creating a fake customer service chatbot using OpenAI’s technology. This can lead to tricking people into providing personal information and acquiring money from users.
What are the ethical issues with ChatGPT?
AI chatbots like ChatGPT, use machines to generate high-quality content, have conversations, write codes, and more. This could result in affecting employment rates, which is currently a major ethical concern.
According to a few experts, extensive use of ChatGPT or other AI tools could lead to the loss of jobs for many people. Especially those industries that work on routine tasks.
The impact of AI tools on employment is currently unknown. However, there is a high chance technology would over-power the job rates in coming years in the market.
Is ChatGPT a cybersecurity threat?
The cybersecurity industry tends to believe AI chatbots like ChatGPT could be misused by hackers to commit fraud. An Israeli cybersecurity company demonstrated how an AI chatbot can develop a phishing email that can carry a malicious payload. The company also thinks “ChatGPT has the potential to alter the cyber danger landscape.”
It is possible to produce phishing emails through the AI chatbot. The request to generate phishing emails might get declined on the first try by the chatbot.
However, rewriting the request resulted in bypassing the software’s guardrails. Experts believe ChatGPT’s capability to create legitimate-appearing phishing emails could result in an expansion in cybercrimes, especially for those users who are not native English speakers.
Another research scientist at Sophos, Chester Wisniewski said, It’s easy to witness ChatGPT being misused by hackers for all types of social engineering invasions. At a standard level, I was able to produce phishing lures, which could be utilized to build real conversations for business emails and even attack other chat apps such as WhatsApp, Facebook, etc.
ChatGPT is definitely a great AI chatbot that can make the process of generating information easier for many users.
However, ChatGPT can’t be labeled as 100% safe, as there is a potential for hackers to misuse ChatGPT and circulate phishing emails to commit fraud.
Above, we have mentioned everything about the risks of ChatGPT including whether it’s safe to provide your phone number to ChatGPT and whether ChatGPT is safe to download.
HDMI 2.1a is the latest HDMI standard, supporting higher video resolutions, frame rates, and bandwidth capabilities. It also comes with a stack of new features which offer drastic improvements for gamers, including reduced screen lag and stuttering.
In this article, we’ll explain what HDMI 2.1a is and then dive into its features so you know what to expect from this new technology.
Table of ContentsWhat Is HDMI 2.1a?
High-Definition Multimedia Interface (HDMI) is one of the standard audio/video interfaces allowing video transmission from a source device to a display.
With the expected release date earlier in 2023, HDMI 2.1a is HDMI’s new standard. It boasts a suite of upgrades, including support for higher resolutions, improved frame rates, HDR video, and much higher bandwidth capacity.
HDMI 2.1a uses the same connector as previous HDMI versions and has backward compatibility.What Are the New Features of HDMI 2.1a?
HDMI 2.1a has a stack of new features that improve the quality of video and gaming, such as support for much higher resolutions and refresh rates.
Higher resolutions: HDMI 2.1a supports 8K 60Hz and 4K 120Hz, as well as 5K and 10K resolutions (for commercial AV).
Dynamic HDR: Dynamic High Dynamic Range (HDR) offers an increase in contrast and visual quality. HDMI 2.1a supports multiple formats for both static and dynamic HDR metadata, including HDR10+ (the dynamic version of HDR10). This is big news because unlike existing HDR formats such as Dolby Vision which are proprietary (meaning manufacturers need to pay licensing fees to use it), HDR10+ has no licensing fees.
Source-Based Tone Mapping (SBTM): Generally, tone mapping is performed by the display. SBTM is an HDR feature that uses the content source (such as the game console or computer) to perform the processing behind tone mapping. This helps the display perform better with varying SDR, HDR, and dynamic HDR inputs.
Ultra High-Speed HDMI Cable: The new HDMI 2.1 specification comes with a new cable specification that has an increased bandwidth capability of up to 48Gbps (up from 18Gbps with HDMI 2.0).
HDMI Enhanced Audio Return Channel (eARC): eARC replaces the previous Audio Return Channel (ARC), providing greater audio optimization for multiple connected components. It supports high-bitrate audio formats up to 192kHz, 24-bit in uncompressed 5.1, 7.1, or 32-channel audio (including Dolby Atmos). With eARC, users can connect all devices to their TV then run a single HDMI to their soundbar for lossless, high-quality audio, which simplifies setups.
Variable Refresh Rate (VRR): One of the new enhanced gaming features, VRR reduces screen lag and stutter for smoother gameplay by allowing the gaming console to deliver frames as fast as it can.
Auto Low Latency Mode (ALLM): ALLM automatically sets the ideal latency setting depending on the video source. For gaming consoles or computers, low latency mode will be set to enable lag-free viewing. For video, low latency will be disabled so that video quality is optimized.
Quick Frame Transport (QFT): Another gaming feature, QFT helps reduce latency by increasing the speed of transporting frames via the cable. This reduces the display lag and improves responsiveness.
Quick Media Switching (QMS): QMS uses VRR technology to allow instant changes between videos with different frame rates. This helps to eliminate A/V blackouts that were common with previous HDMI versions.
HDMI cable power: HDMI 2.1 cables can transfer power to supported devices, meaning a separate power cable is unnecessary.
For more information, see the HDMI specifications page on HDMI.org.Is HDMI 2.1a The Future of A/V?
HDMI has quickly become the industry standard A/V interface. Compared with other interfaces like DisplayPort, HDMI supports a far wider range of devices. But do you need to upgrade as soon as possible?
What is chúng tôi & What is it Used For? Run an anti-malware program to remove the threat from your PC
The chúng tôi file has been reported to be consuming a high amount of CPU resources by multiple users.
Read this guide to understand what this EXE file is and if it is an important system file or not.
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Many readers have reported that they are seeing the chúng tôi process on their Task Managers, which is consuming high memory. They are confused about whether they should keep it intact or not.
In this guide, we will give you all the details that you need to know about chúng tôi and whether this is harmful or important for your PC. Let us get right into it.
After reading several forums and going through various reports, we discovered that chúng tôi is a malicious process that runs on your PC because of a virus infection.
This file is noticeably created by the FORBOT-BJ WORM. This worm virus is meant to steal sensitive data from your computer.
The virus basically creates and edits the registry files and makes the chúng tôi process run automatically on Windows startup.
If it says Microsoft, then it could be a system file. However, in case it says Unable to verify or something else, then it is a sure-shot malicious file.
Software, especially cryptocurrency miner software can mask themselves as important system files and cause various issues on your computer after infecting them.
This chúng tôi file is also a part of malicious programs that can infect your sensitive files and lock them behind paywalls or steal them and send them to the attacker over the network.
Moreover, the chúng tôi file isn’t an important system file, and you can easily disable the process and it will cause no harm to your PC. So, you can remove it from your computer.1. Run an antivirus scan
The best way to remove any virus or malware from your computer is to simply perform a virus scan and remove the detected problem.
For that, you can use the Windows Security tool that comes built-in with Windows OS. However, this isn’t as effective as dedicated antivirus software.
In such a case, we have listed some of the best anti-malware software and the best antivirus software that you can use and easily resolve such issues and keep your PC protected.2. Clean the registry
Since this chúng tôi malicious file tweaks the registry and causes all sorts of damage to your computer, we would suggest you perform a registry cleanup.
For that purpose, you do not need to do anything manually. You can simply use some of the best registry cleaners that we have tested and get done with your job.
Using the registry cleaner, you will make sure that there are no traces of the chúng tôi file on your computer.
On the same note, you could use a standalone PC repair application that can fix Registry issues alongside corrupted registry files.3. Perform a system restore
To make that process easy, we have a guide that explains how you can reinstall Windows with just 2 easy steps. This guide explains everything in detail and will help you remove the chúng tôi file from your PC.
You can also download the Windows 11 ISO and install it using bootable USB media. In order to learn how to create bootable media, we would suggest you check out our guide.
But before you do that, we would suggest you back up the data on your PC, so that none of your important data is lost when reinstalling or upgrading the PC.
That is it from us in this guide. You can also check our guide that explains what is the chúng tôi file and if you should delete it from your PC or not. We have also detailed whether or not you should keep the chúng tôi file on your computer or not.
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