Cpu Usage High Until I Open Task Manager Reddit. Dec 20, 2018 · my pavilion notebook Cpu usage goes high until i
Dec 20, 2018 · my pavilion notebook Cpu usage goes high until i open task manager then it goes normal, i checked it with resource monitor , its show setup. If you find an unknown process, right-click it and select “Open file location” to see which software it belongs to. Any idea why this is happening? Dec 8, 2025 · This post explores when 100% CPU usage is normal and when it indicates a problem. Oct 6, 2019 · Hi Team, My CPU usage is always at 90% or 100%. Mar 4, 2020 · My new ASUS ROG-STRIX laptop, has the weird problem of the CPU rising to 100% even when nothing is running. Check it with something else in case it's malware hiding when task manager launches, process explorer is a good tool for this. I think it may be some kind of virus that knows when I open the task manager so it closes before I can see. The GPU usage would be constantly pegged at 100% until I open Task Manager. Task manager often takes a moment to refresh when it is opened up and CPU will indicate 100% until it does. Does cpu still run at 100% if Windows power plan is set to high performance so clock speeds remain higher? Not sure how quickly cpu speeds fluctuate based on activity but task manager ramping up cpu each time it's opened is probably normal. exe - - 6943541 Apr 6, 2020 · Hi all, This is strange, never seen this issue before. any idea? Archived post. Here, you can find the number of cores and threads your CPU has. I am currently on Windows 11, and my browser is Brave, but both haven't been factors in this problem. Jan 12, 2020 · List complete PC specs please. To fix this, you can open Task Manager and end the process that is using the most CPU. if you're weary, run a virus check via windows or open cmd in admin mode and run chkdsk. what's the best way to fix this? is this a virus? Feb 28, 2025 · Wondering why CPU usage jumps high to 100% as soon as you launch the Task Manager in Windows 11/10? Here is our complete guide to understanding the subject. The act of launching task manager can cause cpu usage to spike and quickly settle back down. Namely - I notice it in web browsing, gaming (especially) and overall usage of my laptop - things are very slow until I open the Task Manager, where I opened my task manager and I run Minecraft at 170fps and nothing less. If you could get idle to drop to 1% CPU that would probably get you down to 46C like mine is. exe - - 6943541 You may have a virus running in the background that is evading task manager, that's fairly common behavior to try to prevent detection. exe" that was using 25% of my CPU every time I open task manager the thing terminates itself and my CPU usage drops and I can hear my fan speed slow down but when I close out of task manager after a We would like to show you a description here but the site won’t allow us. Nov 25, 2024 · My CPU will be at sometimes 94% when I'm on windows edge but when I open task manager it goes back down, I feel like it's the reason my games keep crashing when their running fine. I know i've had malware on May 6, 2022 · Hints I can give you: Its not the problem with my CPU because I have tried my PC with another CPU and still happening. We would like to show you a description here but the site won’t allow us. Sep 25, 2022 · My cpu usage is at 30% to 50% when there’s barely any programs running. It pauses while task manager is open so that everything looks normal, then goes back to doing whatever it's doing that uses the CPU. Disable startup apps: Go to Startup Apps in Task Manager and disable third-party entries. Jan 28, 2022 · As soon as i open task manager, my cpu usage goes down from 100% to 6-10%. Your CPU utilization is actually spiking rapidly between 0 and 100%. I open the task manager and notice for a split second that the CPU usage is Its normal, windows 10 likes doing background tasks and will suspend those tasks when you open task manager. It really feels like this virus or miner or whatever is trying to hide itself by shutting itself down to mask cpu usage whenever I run task manager. But every time I open Task Manager to find the cause, it suddenly drops to 10-15%. Oct 8, 2020 · High CPU usage but nothing running in Task Manager Fix in windows 10 PowerCfg /SETACVALUEINDEX SCHEME_CURRENT SUB_PROCESSOR IDLEDISABLE 000 PowerCfg /SETACTIVE SCHEME_CURRENT Show less Feb 1, 2025 · Open Task Manager and sort processes by GPU usage. This appears to be… I noticed that my CPU temps were jumping up recently as well as FPS drops in video games happening recently and I started investigating the issue. Once i turn on the PC, i notice the CPU making more noise than in the idle state, i check the Task manager to view what programming is causing this to run at 100%, but within 1-2 seconds it goes back to to normal, which is seen in Nov 17, 2020 · When i open task manager my CPU usage is at least 50% usage then immediatly drops to 0-3% after that. Any ideas? We would like to show you a description here but the site won’t allow us. The fact that task manager always shows 100% CPU usage when it is first opened on pretty much all but high spec systems and this was the only symptom them described, means you are recommending a complete wipe/reinstall for what doesn't even sound like an actual problem. 10mins after closing it fans speed up again. suddenly my cpu temp /load start to be really high UNTIL task a manager is opened. When i close taskmanager, it drops down to around 0% again. Dec 27, 2024 · For the last week or so, I've been experiencing high CPU usage which has been affecting my gameplay and sometimes even basic tasks. If it's some sort of malware that detects if the task-manager opens and hides, then it might not be programmed to pick up some of the alternatives to the inbuilt one. . The CPU fan speeds up after 5 to 10mins and stays like that until i open task manager. Also if i keep a sharp eye while opening task manager i can see its "System interupts " that take 99 percent cpu usage before reducing to 20 -40. Method 4: Scan for malwareIf you suspect malware, use these tools for a scan:1. Usually observed on slower systems, systems that aren't running on a SSD, but I have seen this on some pretty beefy systems as well. May 10, 2021 · I'm facing this weird high (100%) CPU usage only on core1/CPU1 I don't know which one is using that kind of high CPU since it comes back normal instantly when I open task manager. If the task uses all cycles for the calculated duration, it'll mark as 100% usage. I tried googling the issue, found some of the threads on differnt forums as well as this subreddit, but so far no luck. After about two seconds, the CPU usage falls down to normal percentages, below 10%. If a task is told to happen, the PC will use all available resources to do it. Jan 12, 2024 · How can I fix this??? *P. May 6, 2022 · I was monitoring my CPU load on a third party application and it constantly shows 100% CPU usage until I open Task Manager. This is normal, your task manager uses a lot of resources when starting and this causes high CPU load. I also tried to close all Chrome tabs but it still Jun 29, 2020 · So, whenever I open my task manager CPU usage is at 100% and thing that takes up 100% is something called " system interrupts ", but its only when I open the task manager, so when my task manager is closed my CPU usage is at 100% at all the… Jan 26, 2025 · CPU Usage High Until I Open Task Manager High CPU usage is a common issue faced by Windows users, and it can be an extremely frustrating experience. I'm obviously happy that I have found a solution but I would like to know more why it does that and if it's normal. Mar 18, 2025 · Hello, I have a problem where my CPU usage is high (50-70%) when idle, but as soon as I open task manager it drops drastically below 10%. Apr 26, 2025 · hello my pc is running at 60/70 % cpu usage when idle , noticed it because my pc fans were making sound im not sure what is happening here because when i open my task or process manager its immediately drops to 5/10 % cpu usage any help? p. 1: The second you open task manager, for half a second it looks like the CPU usage is really high with task manager temporarily frozen and then task manager unfreezes and everything goes back to normal, with low CPU usage. First i've noticed this when i was playing halo master chief collection, normally this game usages 20% of cpu and tem Nov 17, 2020 · When i open task manager my CPU usage is at least 50% usage then immediatly drops to 0-3% after that. s i ran malwarebytes a couple of time no results :\ This is totally normal when opening the task manager on a lot of systems. Test with a Clean Boot: Press Win + R, type msconfig > Services > Check Hide Microsoft services > Disable all > Reboot. I've tried doing a full malwarebytes scan but nothing came up, and I'd like to avoid a full reinstall of windows. I have read somewhere that my CPU is not actually on 100% of usage and it's just showing it like that for a few seconds when I run Task Manager until it loads the real CPU usage, but that's not true. Identify non-essential apps consuming GPU. If background apps or browsers use too much power, right-click to close them. Therefore perfectly normal when starting task manager. Apr 6, 2020 · Hi all, This is strange, never seen this issue before. I have run Malwarebytes and Eset online scan and quarantined the threats found. CPU at a 100% usage until I open task manager Hello. I am new in this kind of stuff so I have not done We would like to show you a description here but the site won’t allow us. But if I opened the task manager it would go back to 60 until the next match. I've had this happen before, it's just task manager reporting wrong. 3. It also provides helpful solutions to address high usage issues. I will try to run Malwarebytes in safe mode when I get home today (currently remote'd into my computer from work) but I wanted to know if anyone has had a similar problem in the past. Nov 17, 2025 · Noticed your CPU usage is always high in Task Manager? Here are a few simple tweaks to lower it. How do I fix this and what are the causes behind it? If you open Task Manager, you'll probably see the CPU usage go up to 100%, but then decrease to its normal levels. New comments cannot be posted and votes cannot be cast. Do a Malwarebytes scan and check task manager's process priority level. adguard in my chrome security settings to avoid pop up & redirects to shady sites ) Apr 29, 2022 · Hi, when I opened Resource Monitor I noticed a thing called "Update_0510Tue202140703924859_u. Then it drops of course. I've downloaded Process Explorer which also suppressed that CPU usage, however after renaming it and running it again I can see CMD having 30% CPU utilization. Mar 22, 2020 · Task manager closed - CPU usage ramps up, open task manager and it drops down - and I found there was a process called "unpacker" in my roaming folder was the culprit. The processes that are doing the issue seem to be State Repository Service + Windows Explorer ! I tried restarting it as said in many forums and even disable it from run/msconfig/services but after few seconds it starts again. I noticed that the readings started to instantly drop when I opened task manager. Once i turn on the PC, i notice the CPU making more noise than in the idle state, i check the Task manager to view what programming is causing this to run at 100%, but within 1-2 seconds it goes back to to normal, which is seen in Also, when the CPU usage goes high, type this in Windows PowerShell without opening task manager, some malicious processes hides themselves when you open task manager. Mar 22, 2024 · If you notice your CPU usage is high until you open Task Manager, we recommend an SFC scan to get rid of the malware infecting your computer. This constantly happens with %100 precision every single time when I open the Task Manager. Open Task Manager and look at CPU, memory, and disk usage while a game runs. Yet this is more common when I leave the laptop alone, no application open, just the laptop, CPU & We would like to show you a description here but the site won’t allow us. Jan 28, 2025 · Task Manager affects process scheduling• When Task Manager is opened, Windows may dynamically adjust process priorities, reducing CPU resource usage for some background processes. Apr 3, 2016 · CPU is not throttling down automatically based on the dynamic load, causing high temperatures and the fan to kick in Process Explorer is only showing 1-2% CPU usage Before I go uninstalling everything, how would I figure out what's causing the issue if nothing weird is showing up in Task Manager or Process Explorer? Whenever i open up task manager the cpu is at 100% but then it quickly goes down to around 20ish. closing it = fans goes full blast and high Temps. Remember reading somewhere that opening task manager causes a system interrupt where the cpu just momentarily stops what its doing to open task manager and that's interpreted as a massive cpu usage spike. You can also try disabling unnecessary startup programs or updating your drivers. When I open up Task Manager, My CPU rises up to 100% for a couple seconds, then settles down to 50-70%. Any suggestions? Jun 29, 2020 · So, whenever I open my task manager CPU usage is at 100% and thing that takes up 100% is something called " system interrupts ", but its only when I open the task manager, so when my task manager is closed my CPU usage is at 100% at all the… Aug 20, 2020 · System interrupt is a normal process by which your CPU communicate with other hardware parts of the system. Please help. Why is that? Find out in this video! Jul 15, 2024 · Just last year, My CPU would be at a fair 55% to 60% total usage if I was also using other apps, in which Task Manager would only take around 11% of my CPU. I've recently built myself a PC with an 11400 but I've noticed that the fans ramp up and temps are in the 70s until I open task manager, where it drops down to the 40s. Once the task is complete (open task manager) and the app is just idling, the PC returns to idle. I've seen some threads here with the same problem being solved with FRST scan, but I need an individual fixlist. Mar 21, 2017 · The fan of my laptop runs quite loud in general but it drops down drastically every time I open the task manager. Sort by CPU usage and look for any unfamiliar processes using high CPU. How to determine if this is a problem? Mar 4, 2020 · My new ASUS ROG-STRIX laptop, has the weird problem of the CPU rising to 100% even when nothing is running. But when I open task manager, after a couple of seconds it drops to 30-50%. I mainly use it for web surfing ( i use dns. High CPU usage dissappeared when task manager is opened Task manager CPU usage is at 60-63% for the first second and then it lowers to 14-18% when opened I haven't installed any crack on my PC. I have my suspicious that it might be some kind of virus or something else. I open the task manager and notice for a split second that the CPU usage is very high at around 100%. Sep 11, 2020 · System interrupt is the process by which the CPU communicates to other hardware components of the system, such as HDD, GPU, etc. if is open, everything works fine. Where did you get the 50%? Try checking which process is taking more memory/CPU using other tools like process explorer or try using powershell to list all running process along with CPU usage. Hello, I have a problem where my CPU usage is stable at around 55-60% constantly until I open either Task Manager og Process Explorer, where it immediatly drops to ~5% with a few spikes or exceptions when I open certain programs. During games (Far Cry 6 as of recent), with afterburner open, my GPU usage will be averaging 80-90% with 90FPS. Upon opening the Task Manager, CPU usage is always very high (above 80%, close to 100%). Any suggestions? I could be wrong, you may have something malicious, but I've heard that when you open Task Manager, to check your memory usage, it like scans your RAM sticks, making you're usage temporarily at 100. Sometimes something uses super high CPU , I hear the fans whining when nothing's open and then when I open task manager , the fans quiet down and I don't see any suspicious processes. What title says plus I can hear my CPU fans going crazy until I open task manager and that's when I see that CPU usage is at 20%-30% (while I'm not running any other apps besides Firefox and watching a Youtube video) and it starts going down after a few seconds and I can hear the CPU fans going back to idle. This can be caused by Task Manager glitches, background processes, malware, and even your antivirus software. That is a bit high, with task manager open I get 0-1% under CPU utilization on my system in Windows 11 Pro. But the suspicious behaviour of CPU usage has not changed. So 3-4% CPU would probably raise the temp a few degrees, so 49-50C is probably normal with that. Nov 23, 2020 · 2 I have had an i5 10th Gen machine for 4 months, but I can now see that the CPU usage is 100% till I open Task Manager and as the Task Manager opens, the usage reduces drastically and even comes to as low as 4 percent. Jul 11, 2022 · Greetings! I've seen numerous treads on this topic, but given the complexity of the solution, I thought creating a new one, for my particular case. Apr 5, 2020 · Page 1 of 2 - CPU usage goes to 100% until I open task manager. S: Task Manager would also show high usage, but all other processes wouldn't add up to the amount of CPU usage Task Manager shows me. Feb 13, 2025 · Desktop Window Manager is more apparent when clicking off of a tab and back onto task manager, sometimes reaching 50% total GPU usage. i've tried some Apr 20, 2025 · Leveraging Task Manager and System Configuration Task Manager and System Configuration tools help identify why games run slowly after upgrading. May 30, 2018 · A desktop gadget I am using indicates 100% CPU usage. Whenever I open task manager my cpu immediately drops to 5% to 1%. Not every time, but som Nov 1, 2018 · hi everyone, as the title suggests, when i turn on my laptop the fan starts making a lot noise, and the temps are 60+(Celsius) when IDL, but as soon as i open the task manger or go offline, the cpu usage drops to 1% fans get quieter and temps get to normal levels 40-42. Apr 16, 2025 · When I open Task Manager there is no visible CPU usage, however I can see high CPU usage in MSI control center. If you open another monitoring program like hwinfo, the GPU shows it's normal usage Reply reply mk3mike •. The computer also runs a lot slower then it should for its hardware. Your CPU usage is high because a background process is using up all of your resources. It was on silent. Jan 28, 2025 · Open Task Manager and switch to the “Details” tab. Apr 15, 2020 · Hello, I have had my computer for several years now and recently have had issues with its CPU usage. Jun 4, 2020 · But this all changes as soon as i open task manager, because when i do a can see the system is running with 100% CPU usage but after half a second it goes down to normal levels and the computers starts to work normally. CPU usage high until I open Task Manager? Here's why and how to fix it. One peculiar scenario that users encounter is when the CPU usage remains high until they open the Task Manager. When I close Task Manager and Process Explorer CPU usage stays low for awhile before it elevates back to 55-60% again. Archived post. Aug 8, 2020 · Whenever I open task manager it will show 100 percent cpu usage for a second or 2 before dropping to 20- 40. I also only get 19-22W CPU power at idle. - posted in Virus, Trojan, Spyware, and Malware Removal Help: As the title states. Dec 15, 2022 · Sometimes, when I am using my Laptop, the CPU is suddenly very high, making the ventilation go fast, then I open Task Manager and the CPU drops down to normal, and the ventilation returns to normal. So, I noticed this while playing some games, as my framerate wich was a steady 60fps dropped to half or lower. The speed immediately drops whenever i open the task manager. The best way to fix these issues is to go through the programs in Task Manager and investigate which are using too much CPU power. May 3, 2022 · Your CPU usage can spike to nearly 100% out of nowhere. Apr 15, 2025 · Ask yourself this instead: Yes. Task manager displays the "cooked" values from the performance counters indicating the overall utilization of the CPU over a given timespan, not the raw utilization at a single point in time. Additionally it's no longer possible to "sleep" computer properly. Oct 15, 2025 · Next, open Task Manager and go to the Performance tab. Suspecting malwares, I started a new topic here (link below) but after several steps/fixes, there were no malwares identified in the system. Solved! Hi all, I noticed my GPU utilization spikes briefly to 100% (1 second) when opening task manager, and heard this may be a sign of a cryptominer as it hides the process when opening task manager? However, I did the same monitoring with AMD Adrenalin and Hwinfo64, and the utilization only shows 1% or 2% when opening task manager. It's only if is this process keep using high CPU time for a long period that it might indicate a problem, as a faulty hardware mighty have problem to communicate with the CPU. 2. There are two alternate problems here. Just to clarify, it's only 100% CPU if my Task Manager is open. If i close it, it spikes back to 100%. The staff recommended me to crea But whenever I open task manager, processor time suddenly drops to 2-5% and the fan gets silent. So it is perfectly normal for that process to use CPU time when opening Task Manager as it need to get info from all those hardware. Dec 25, 2021 · Hi! I have 16GB RAM, however, when I open task manager it's ALWAYS at 96%+ for some reason and it keeps making my PC super slow, is there any way to know what's wrong? because all the running processes aren't even close to 16GB RAM of usage. The sudden drop in CPU usage can be seen immediately after opening the task manager. This can make CPU usage appear to drop quickly. Also Command Prompt Jan 13, 2016 · When it came up, my CPU fan got really loud so I checked task manager and for a second, CPU usage was at 100% then it was at something really low (5%) I checked my UEFI settings to see if my CPU fan mode was on "performance" (maximum) because I usually keep it on "silent". I also noticed my CPU temperature is higher while my Task manager is not open, which proves what I said. I am familiar with the bug from windows that causes the CPU usage to be at 100% when you open task manager for a split second before it can read the temperature and that's why i use msi afterburner to read my CPU and GPU usage as well as temperature. But both of the windows programs will climb the percentages if I scroll on task manager.