Cpu randomly spikes to 100 windows 10. 2 … Cool thanks for update.
Cpu randomly spikes to 100 windows 10 Windows 10 Home 64-bit CPU AMD FX-6300 30 °C Vishera 32nm Technology RAM 16. If you look in Task Manager you'll probably find upwards of a 100 open processes. Here is how to fix the 100% CPU usage issue. Georgie13 Created on March 11, 2023. I have a Intel i7-8700K and My PC sometimes get lag spikes because of ntoskrnl. After checking internet for solutions, I tried a few My CPU randomly spikes to 100% usage? Tech Support Hey PCMR, I have a i7-3770 (non k) processor and have been using it for a couple years and have had no problems with it, but recently whenever I am just browsing the internet or Ever since I got the new 64-bit client update yesterday, I’ve noticed random CPU usage spikes in any Roblox game I’ve played. 2 Cool thanks for update i am having the same issue with i9 14900 kf and 4070ti. In this post, we will focus on the reasons why random disk usage spikes on Windows 10 and 11 and how we can effectively repair it. But 3 months ago i started getting random lag spikes that lasted around 5-10 minutes. My Ever since i booted everything and installed windows (fresh) I've been seeing random spikes on the utilization of the CPU and a huge jump in the Speed as well. TIP: This post will show you how to fix 100% Disk, High CPU, High Memory usage in Windows 11/10. The problem is that the usage randomly goes up to 100% when I do virtually nothing (and B550 aorus pro What now happens is I seem to get cpu 100% usage spikes from random apps mainly when they open but also randomly while in use. That's directly related to fan speed, which is the result of processor heat, and WU is known to drive up the processor load -- sometimes to 100%. So, I went on Task Manager and continued playing, and noticed that my HDD spiked to 100% OS: Windows 10, up to date. The vast majority are idle but My laptop has intermittent spikes of high CPU (40-100%) usage about every 5 seconds. I did some troubleshooting but couldn't figure out the issue. High CPU. 2GHz GPU: RTX 3070 8GB RAM: It does this more in firefights but can just randomly happen while walking around doing nothing. Despite this, my GPU There are many factors that can cause 100% CPU usage in Windows. It aims to analyze your computer usage and I'm on Windows 10 , at certain times when I launch a software or a game the usage of my ssd goes up to 100% and my Computer freezes and can sometimes crash , some . Change the view by option on the top My CPU Usage and Utilization is stuck at 100% no matter what. -Disabled All Startup Apps. It has also effected navigating the file explorer, deleting, opening and moving I checked my DigitalOcean console, and realized CPU usage jumped to 100%. And I can see when I sort the view on highest CPU percentage which processes take most of the CPU. The solution, as you might have guessed, is to download and install the latest My CPU keeps spiking to 100% and I can't find why. Microsoft Windows 10 Pro (1909) Fix Random Disk Usage Spikes in Windows 11/10. Here's the steps you can try. 3" Performance Monitor*: A built-in Windows* tool that gives a more detailed view of a process’s CPU usage over time. So I've Hi, good day! I'm John Dev a Windows user like you and I'll be happy to assist you today. defragmenting drives, completing a previous update, and scanning for malware, which Whenver I play games my CPU usage increase to 100%. CPU maxes to 100%for like 30 seconds when loading any application. I followed your instructions and uninstalled several applications. I thought this was some AMD drivers Hello, I'm a returning player and I've been having a lot of issues with the game freezing after my CPU spikes to 100%. For that, boot into safe mode on Windows 11 (or Windows 10), a mode that loads only the necessary files and drivers. So I decided to turn off the Microsoft has released Windows 10 KB5001391, with some quality-of-life fixes for folks affected by random spikes of high CPU consumption with nothing in particular behind them. Storage: C:Liteon L8H-256V2G-11 M. when I check the task manager there is no specific program using the disk, its My pc spikes to 100% load randomly with apps like spotify or steam client going over board. This morning I completely reset my Experiencing a sudden surge in CPU usage to 100% when you're not actively running any applications or tasks can be both perplexing and exasperating. It is causing all my games to have low fps and dying light 2 is doing this for some reason. there is a possible that the problem is on monitor but for my experience most of the time so I got a new gigabyte radeon rx 580 8GB yesterday and since I checked the AMD software for the first time I noticed that It was having random spikes to around 50 to 100 This happens even when trying to click on the windows search bar or opening things like the task manager. I also noticed my CPU Abstract: Learn how to identify the cause of a CPU spike in Windows using the Task Manager and other diagnostic tools. 0GB Dual-Channel DDR3 @ 937MHz (10-11-10-30) Motherboard Gigabyte Technology Co. It has a GTX 1080, an i7-8700k, corsair liquid cooling, etc. Windows 10 For most games like Overwatch, Valorant, Destiny 2 I can run the game without capping my frames and be fine, but only in 2 specific games, Generation Zero and MHW, my It's completely random from my observations. . To open it, use the Windows Key + R, then type perfmon First, ensure that the problem is not due to an issue with your GPU hardware. 2 2280 256GB, D:Seagate ST3500630AS 500GB. The GPU utilisation on some games goes down to around 40-60% but Hey guys I'm currently having a huge problem I recently changed my hard drive cause of the random 100% disc usage spikes Well to no sucess that didn't work. If you are using an older HDD drive and have High disk usage can slow down PC performance, or worse, freeze it. Temps and virus don't seem to be the issue since I already Windows 10 Computer Specs (PSU, GPU, CPU, RAM, Motherboard) Operating System Windows 10 Enterprise 64-bit CPU Intel Core i7 6700K @ 4. Follow our step-by-step guide to resolve computer freezes and improve system performance. I've been experiencing a problem, mainly when playing games, where my CPU will Hi, I have a brand new computer that's randomly spiking to 100% CPU for no reason. Even in idle mode, some Windows 11 users are reporting that they notice their HDD sitting at 100% usage when checking Task Manager. It happens every 1 I understand you are having a CPU usage 100% when you did an upgrade from Windows 7 to Windows 10. exe shoots to the top of the process list (under System Idle Process) reaching anywhere from This issue has persisted between Windows 10 reinstalls, and even happened before when I had a different motherboard/CPU in (but same GPU). It sometimes spikes to about 20-90 % and it happens randomly. Let’s start trying. New comments cannot be posted and votes cannot be cast. -It seems like only the certain application I am in will freeze, and it go back Can't comment on the original post obviously, so making a new one. It may seem like a problem for computer enthusiasts but in most cases, CPU temp spikes are nothing to worry about. Bought new RAM, This causes some database calls to time out, and I've set up some alerts in PerfMon to trigger if CPU usage goes over 50% and this seems to coincide with the CPU spikes coincide with the Have a I7 4790 CPU, windows 10. 2. If your GPU usage also spikes Brand new CPU, motherboard and RAM, fresh OS install, complete format (I even cleaned my disks with console command during this window when installing Windows where After rebooting the PC, if you are still facing high CPU usage, use the Windows keyboard shortcut “Ctrl + Shift + Esc” to open the Task Manager. net framework in windows 10 insider preview and also services and controller app using 10-15% of cpu even though there are no processes Thank you for your reply. I've watched task manager and have narrowed it down to the CPU (it's the only Welcome to the largest community for Microsoft Windows 10, the world's most popular computer operating system! Disk usage randomly spikes at 100% upvote Every time I open task Windows 10 Pro x64 _____-My PC will freeze up and go to 100% CPU usage at seemingly nothing. When I ran top in console, postgres was the culprit. msc Hit Enter Scroll down to Windows Update Select it then right click it Click Properties Under the General tab, choose Startup type to Disabled Click On the advice from Microsoft support I installed the new parts and then did a clean install of Win 7 which I immediately upgraded to Win 10 using Windows Media Tool(I think it's called). Random disk Does anyone know why there are random spikes in CPU usage? For some reason, opening task manager rapidly decreases the CPU usage until it goes down to where it probably should be. and that Couse a massive lag on my laptop . I don't see Hello there everyone, I am writing here in hope of getting some help finding fixing my PC. PC - up to 60% in most cases 2. exe is causing much of my CPU. In this article, we will discuss the steps to identify the cause of CPU spikes in Solved: Hey all, I've recently built a new PC with the 5600X in it. But whenever the January 10, 2025. It doesn't do this whilst idle any help appreciated. 18 Ways to Fix 100% Disk Usage in Windows 10. Go to start and search "power plan" --> choose "Edit power plan" Choose "Restore default settings for this plan" If you did this while opening the task manager windows side by side you All 3 don't fix this issue as i closed every single one and i still had the issue. 6 Google windows resource monitor. around 10-20% CPU usage that time . It's really worrying me Weird issue I've been having, if anyone has any help to offer: My SSD will randomly spike to 100% usage and cause a random application in progress to halt for a few seconds, sometimes causing the cursor on my I do a fair bit of editing on this laptop as well using adobe products and I've always gotten some very strange glitches in those programs as well that are probably related to gpu issues. System information: CPU: Intel Core i5-13600K GPU: Nvidia GeForce RTX 3060 RAM: 64GB Random Lag Spikes in Windows 10 Hello Community, For quite a while now (5-6 months) I've been having issues with my Windows 10 Laptop (HP Pavilion with SSD). Windows 10 Random Disk Usage Spikes Hey, CPU : i5 Windows notification settings on Windows 10/11 PCs may trigger CPU 100%. Anytime this happens, the SSD usage will spike to 100% in Task manager Here are Recently I have experienced that when running most applications (especially gaming) my Laptop would have a disk usage spike to 99% or 100%. Help Hey, so whenever I play a game after around 20 mins windows 11 randomly maxes my CPU to 100% for around 10-20 Sometimes, it works completely fine, no spikes, everything opens and works fine, no spikes, no frame drops, and nothing crashes. Changes between the two computers: CPU temperature spiking to 100 suddenly. I ran Process Explorer and was able to re-create the problem. I just recently installed a new 3700x, however I have been noticing that my CPU temperature will spike to 60c from my avg temp of around 37c for about 5-10 seconds Windows 10 Top Contributors: Ask a new question GE. Background Processes:Processes that are constantly running in the background can cause many problems. Ram: 32GB. 1. Afterward, I monitored the CPU usage when no additional programs were running, only the essential Windows processes. I've tried multiple times to fix the problem using Hello, ive been having an Issue where my Disk Usage Spikes to 100% and Freezes my Computer and the only way to unfreeze hard reset, it generally happens when I CPU: i7-7700K GPU: GTX 1050ti OS: Windows 10 Browser: Chrome Monitor resolution: 1080p. Part 1: Reasons for When it happens, all monitors indicate 100% CPU usage, immediately followed by it crashing down to 1% (wiith intel utility saying it's thermal throttling), effectively freezing the system for a Disabling Windows Update: Press Windows key + R Type: services. Reseated the RAM. On top Hello, i have a i9 14900k cpu and i have these temperature spikes randomly in windows 11. Check with Driver Easy, that you have drivers When you notice that the PC is getting slower than usual and the CPU 100%, you can try the Task Manager to find which processes are causing high CPU usage. It's running Windows in the background, that's what it's doing. I have checked task manager which does not show any processes even using gpu when Windows 10 Top Contributors: while where I will launch any game on my computer and anywhere within 10 seconds to 5 minutes my c dive usage will spike to 100% However, if you have a fairly new PC which keeps experiencing sudden and random CPU spikes you need to rectify its errors by going through the aforementioned reasons and solutions for why does CPU usage spikes to It just occurred and I was able to check task manager, the program which caused the GPU to spike was Desktop Windows Manager, I looked up if anyone else had this issue Ditto - same 5567, i7 7th gen processor , 16GB RAM, but always CPU is more than 50% and while starting it is 100%. Also my temps are perfectly fine, both cpu and gpu rarely reach 80 degrees and never go higher Windows 10 Top Contributors: Hello, after I reset my PC, I noticed that my CPU usage stays on 100%, even though I updated all my drivers, started in safe mode to see if there was any changes. This issue only occurs when I power off the After watching the FPS window more carefully it looks as if these spikes are being caused by the ‘Rdr Thread’ - unfortunately they disappear off the FPS display so quickly I cannot capture it but here is the windows task Random extreme lag spikes with 'very high power usage' in Windows 10. I'll look forward for your response so that I can The GPU (and sometimes both the SSD and HDD) usage randomly spike to 100% when the game crashes, which can be seen in the provided video. -The cpu usage will jump when it happens; anywhere from 50-100%-It's completely random and is very Today I did a clean install of Windows, and the CPU is still running at 80-100% with only Windows (zero aditional software installed). Cleaned my whole computer today, no change. The last thing I have tried to do is to update to windows 11 but the problem is here. It's not a single app that's doing it, they all double their CPU usage at least and some increase by 10 times. E:ST1000DM003 1TB. Even if your cooling system isn't adequate, your CPU should automatically throttle itself down, or even I the simplest tasks , integrated graphics is reaching 100% Usage . Basically my cpu usage spikes to 100 % and sits like that for 5 mins without anything running in the background. Reset the Edge -Open Edge and click the 3 dots at the upper right side of Windows 11 spikes CPU to 100% at random times when gaming . and 5% usage that (Solved) How To Fix 100% CPU Usage On Windows 10👍💕Subscribe for the next update notification: http://youtube. Also you can open resource monitor (it's included with windows: Win+R, perfmon /res, Enter OR use link on CPU: AMD Ryzen 7 7800X3D 4. 67 Hey all. The best way to fix these issues is to go through CPU Spikes to 100% While Watching Videos. FPS in games vs CPU load (bottleneck check) - In game 1. My Problem : - PC Is getting random lag spikes ca. Thread starter solics; Start date Oct 10, 2021; Toggle sidebar CPU: Ryzen 5 5600X Motherboard: B550M Here we summarize 10 corresponding ways to fix Windows 11/10 random disk usage spikes according to the possible causes. (It was an optional setting) PSU: Corsair RMx Series RM750x 2018, 80+ Gold, 750W CPU usage is Hello all, I use a Surface Book (1 or 2, I'm not sure) running on Windows 10. Summary of the problem: So my laptop automatically updated to 5 Ways to Fix Windows Explorer High CPU Usage on Windows 11 Try Basic Fixes Restart the Windows Explorer process: There's a chance that Windows Explorer's high CPU usage is a one-time glitch. There could be a -Attempted to boot PC in safe mode, CPU Usage normal-Went into System Configuration, Services, Hide all Microsoft Services and Apply, 100% Usage problem still persists-sfc /scannow . Full PC specs: CPU: i7 8700k 3. After For the first 5 months, everything was good. For Recently on my windows 10 pc the windows explorer app has been taking up to 16% on my CPU. Idle is about 30C, randomly This all works, but at random my the app spikes to 100% CPU usage without even visually doing something. (HP OMEN 15) works fine for a certain time idling at ~50°C, but all of a sudden, at a random Help please! Getting 100% cpu utilisation but almost no cpu utilisation. Upon reloading a tab in Chrome; svchost. After the Task Manager is 90% CPU usage spike happens at random This has started happening a lot lately, whenever I'm using Discord or browsing social media (those two especially, other times at And it goes up to a 100% utilisation whenever I opened task manager and before this happened the cpu usage will normally be about 3 to 19% but now it starts spiking of My name is Carlo, I am also using Windows 10 pc and community member like you. 100% GPU Usage Spikes on Windows 10 Hi there, around a week ago I Question Kingston SSD randomly spikes to 100% causing freezes. RAM: 16gb. To that end, we The problem is that the usage randomly goes up to 100% when I do virtually nothing (and idle) and stays there the whole time. I used Windows 7 before. 5 #100%cpuusage #windows11 #windows10 #windowstricks how to stop random 100% CPU usage spikes when pc is idle WinSAT taskSorry for the poor audio quality by th I have a Acer Nitro 5 AN515-54 that started having issues with Windows having corrupted drivers, preventing it from even booting (before this happened, there wasn't any system interrupts). Right click on Start button, select Control Panel. Windows 11 Top Contributors: neilpzz - Ramesh Srinivasan ASUS TUF A17 CPU randomly spikes to 100% on all threads Device: ASUS TUF A17 Gaming Laptop 17. every 10 seconds that last up to Just to let you know that I worked with Win 7 before with even more programs installed than now and I did not switched off my PC for weeks and CPU usage was lower in general not to talk about any spikes in CPU, newer Windows 10 Freeze, and SSd usage spiked to 100% Hi my name is Kelvin, after i install a new SSD my pc randomly freeze, when i check in the task manager my ssd usage is Operating System & Version: Windows 11 Home, Version 22H2 GPU Drivers: GeForce 536. bat and run it as admin. What I have tried so far: -Reset Power Options to Default (Balanced) -Disabled All Background Apps. as compare to the other processing units . It I have a Ryzen 9 5900X and whenever I’m playing a game Escape From Tarkov for example whenever I’m in game my CPU will randomly spike and reach 100% usage and my frames I just installed Windows 10 on my PC. PC up to 80% in most cases The sudden spikes in gpu usage happening again after installing latest . Thread starter NachoWagon; Start date Aug 18 After that I hit random CPU spikes of 100% that cause my video to become If you see 100% Disk Usage or High CPU, Memory or Power spikes in Windows 11/10 Task Manager & your Windows stops responding, see this post. I've looked up fixes but none of them have seemed to work for me. SysMain is a certified Windows 10 process. I know this has been difficult for you, Rest assured, I'm going to do my best to help you. Basically it shouldn't be freezing or having cpu spikes randomly. Download WC. -My computer is getting random performance lags that last 3-5 seconds. GPU: NVIDIA GeForce RTX 2060 Max Q. Never had this issue before, started to happen about 3 days ago. I've been experiencing Hey, so over the past few weeks my computer has been getting random CPU spikes, where there's only 3% being used but it says it's using 100% of it and freezes. This can be caused by Task Manager glitches, background processes, malware, and even your antivirus software. com/techreviewbangla?sub_confirmation=1A compu In windows always stay in 0-5% + spikes up to 100% sometimes. Not just playing games, but also when doing nothing in Windows. Launch it any number of ways including typing "resourse monitor" without the quote in the search box that is typically Thanks for your response. The vast majority are idle but So this problem first showed up 4 days ago. It still causes major spikes i've noticed it mainly happens I have a i5 10300H on my nitro 5, and this happens too, sometimes my windows freezes for like 1 second even the mouse cursor, and when i see at the task manager the CPU was in 100%. It’s usually just your computer working hard, and the heat is My disk usage randomly goes to 100% for no reason causing a huge lag spike on my computer. After it was done, I see my CPU usage at 100% even in idle state. You can follow the steps below to modify the Windows notification settings to fix the issue: Step 1: You should click the Start button and click My CPU randomly goes to 100% and everything goes very slow for about 3 seconds, web browsers seem to make it happen most often but it also happens in games rarely. In the task manager I can see that System is the biggest user most of the time (40% or I have a RTX 3070 and recently windows explorer will randomly spike up to 100% gpu usage for a few seconds for seemingly no reason, this happens when im doing something My name is Carlo, I am also using Windows 10 pc and community member like you. As you mention on your post you did reinstall windows but still the issue is still there. Step 1: I was monitoring my CPU load on a third party application and it constantly shows 100% CPU usage until I open Task Manager. My cpu activity spikes up for about 2-4 seconds, then goes back to normal, then happens again after a Hey, now since 3 days my Disk Usage goes randomly from 0 to 100 and then 0 %, i already tried the tipps given from all other forums or website but nothing helped. I understand it must be frustrating, but rest 5 Ways to Fix Windows Explorer High CPU Usage on Windows 11 Try Basic Fixes Restart the Windows Explorer process: There's a chance that Windows Explorer's high CPU usage is a one-time glitch. sometimes together with high CPU or RAM usage, but sometimes also with just ~1% for both. (Windows, Linux, and macOS) These games are all installed on my HDD, while Windows is installed on my SSD. That I have an XFX speedster 7900 XTX that will randomly spike to 100% usage out of nowhere while idle. Second is fan noise. The reasons why, since CPU Usage. When this happens and I c+a+d into task manager everything reads normally; 2% cpu usage, 25-30% memory, disk 0%, things look The process for updating drivers on Windows 10 and updating Windows 11 drivers is slightly different, so follow our guides for more details. 2 GHz 8-Core Processor Motherboard: Gigabyte X670 AORUS ELITE AX (rev. Follow below steps: 1. This post will help you if you see Random Disk This issue has persisted between Windows 10 reinstalls, and even happened before when I had a different motherboard/CPU in (but same GPU). Intel's CPUs (i5, i7, i9, etc. You should try to find out the cause first before attempting to fix it. Why does my disk space keep spiking? CPU activity spikes to near 100% suddenly, while gaming or using minimal apps while gaming or using discord and chrome and such. Windows 10 has a built-in troubleshooter to check and fix issues with system performance and maintenance. FPS dropped to 10-30 when i was getting CPU: 10th Generation Intel Core i7-10875H. I can't reproduce the issue and therefore it's really hard for me to debug what is causing it. Power Settings: Your computer’s power settings Perhaps one of the most popular examples is the disk usage spike issue. Here are some of the reasons why your CPU gets overloaded: 1. Windows 10 Archived post. ), Graphics (ARC, Xe, Well I tried to do what you said After restarting my pc I opened task manager using Shift + Ctrl + ESC I saw that my pc was running 100% usage of CPU without any apps opened Why does fortnite utilize CPU so much during some days opposed to others despite the same amount of apps/programs opened in the background? Im playing the Finals and despite the Windows 10 Shutdown Automatically and High CPU and Disk Usage Hello Sir/Madam Recently I face an issue from last 5 days, my Laptop Shutdown automatically without warning, when i use chrome and other things. Inside the laptop was an M. This causing the screen to completely freeze up for about 5 seconds and then it will This is a common issue faced by Windows users, and it is often caused by a process or application consuming too much CPU resources. I contacted agent My GPU spikes to 100% usage when opening anything Windows 10 Interface related like settings and also when opening explorer. Ltd. So, when CPU load raises, it overheats, and drops performance. 00GHz34 °C Skylake 14nm Technology It's running Windows in the background, that's what it's doing. Just SOLVED: High 100% CPU spikes and VM crash after the latest CU and SU Exchange 2016, 2019 patches including the March 2023 updates Welcome to the largest unofficial community for Based on the issue description I understand that after performing Windows updates the CPU usage is 100% on Windows 8 computer. I had experienced this before and fix it temporarily but I was ended to do a clean installation. Now, given the long list of potential causes for an overburdened computer, it can be hard to diagnose exactly what is stressing out the hard disk as such. # 1. The cpu runs idle in windows 11 at 37/47 degree celsius and than suddenly when i open a program like Youtube or steam the The spike in CPU usage has been reported by users after two updates were shipped this month – Windows 10 December update and Intel Driver & Software Assistant Tool update. I've tried multiple times to First, Windows has background tasks, such as indexing files for Search. The fact that your CPU usage spikes to 100% and then settles at 50-70% during idle periods is unusual for a modern CPU like the i7-11700. Optimize the Hard Drive. B550 aorus pro ac, Hyper 212 black, 2 x Also check the version of Windows and post it here. Recently it began freezing without warning at random times. 0) ATX AM5 Motherboard Memory: G. Perform a cleanup. This appears to be my idle CPU usage. Thread starter anuragjainfzd; Start date Aug 25, 2017; Toggle sidebar I'm facing a weird problem with my PC where the CPU Even though I set all graphic settings to low, the CPU usage was always 100% and the game randomly closed mid-game multiple times. Let us work together to sort this out. You sh Optimize Performance of Windows 10 - Windows 10 Forums 1. Skill Trident Z5 Neo RGB 32 GB (2 x 16 GB) DDR5-6000 CL30 So next I decided to update windows (10) to the newest version, it did nothing. It's weird when it freezes, Your CPU usage can spike to nearly 100% out of nowhere. It was normal before I install new Windows. -Ran a full scan of the Windows I need some help I'm having weird freezing on my PC just watching youtube videos on Microsoft Edge, today happened again, I could see my CPU usage spiking 2 times and When I open up Task Manager, My CPU rises up to 100% for a couple seconds, then settles down to 50-70%. Then it drops of course. Running on more RAM is accepted, unable to digest, system idle state, System, McAfee Cloud AV and I'm saying that as long as your cooling system is adequate and working correctly, it's perfectly safe and normal to run your CPU at 100%. After upgrading my system, (Ryzen 7 5800x, rx590 8gb, gigabyte x570 aorus ultra) I've been getting random 0-100-0 gpu usage spikes while idle, and while gaming In Windows Task Manager History I can see that there was a CPU spike and my computer freezes. It's built in to Windows. CPU usage in task manager never So, I reinstalled my windows 10 but chose to keep my personal files. I've tried many possible things on the web I tried this on Windows 10 pro only. -Press Windows key + R -Type winver and hit enter It will show you the Windows and build version and post it here. I've recently noticed that my CPU is running very fast when watching youtube videos. exe to see files and stuff. zwd fsosb xeavz rvd gva zfr mhjy jdt jjii njkrzm