Questions tagged [cpu]

The part of a computer responsible for performing computations, often referred to as a processor.

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What makes my app slow?

I have app installed on my RaspberryPi4. My app have utility to search something from database. It works slow :( I had this app on another computer and everything worked great. Why this app is ...
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Correct Bios Update for Asrock X470 Motherboard with 3rd Gen AMD Processor?

I'm doing a new build which features an Asrock x470 Taichi motherboard and an AMD Ryzen 5 3600 CPU. The support page for the BIOS says the Ryzen 5 3600 is supported "since BIOS version 3.40" However,...
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Why am I seeing 100% CPU usage from mundane tasks on Windows 10?

I have a problem when my CPU raises to 100% usage from mundane tasks that normally take less than 1% of CPU for a few minutes. This is how it looks like: Now it is true that the Antimalware can take ...
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261 views

Intel CPU memory type meaning

I'm reading Intel CPU's spec, the memory type it lists a single frequency, like for i7-8809G, it says Memory Types: DDR4-2400, the confusing is does this mean only 2400 memory modules are supported, ...
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81 views

Intel CPU capped at 0.4Ghz, tempratures are O.K

I have a laptop model ASUS UX430UAR and my CPU speed is constant 400mhz. This is obviously extremely low and I don't know what's causing it, even when it used to go into power saving mode its all ...
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Is my CPU broken?

I bought new laptop HP with i5 8265U CPU and in daily usage I noticed some lags. I run AIDA stability test for CPU and it works fine (1.6-2.4GHZ) during 30 minutes, but when I run test for CPU + GPU i ...
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26 views

Could dropping a laptop lower its performance?

It still works normally and testing it with games, it seems to work as well as it did before it fell, userbenchmark yields good results too, but can the CPU or the GPU or the RAM be slightly damaged ?
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CPU Normal Voltages

I have the following configuration in my PC: i5 8400, MSI B360 Gaming Plus, 16GB DDR4, GTX1050Ti. I am wondering what are the normal voltages for this CPU and if I can modify them in order for my CPU ...
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What exactly does the CPU busy light mean?

Most computers have a "CPU busy light" with a sillo icon beside it that lights up periodically. But what exactly does that light mean? Is it turned on when the CPU is in Usage or when the hard drive I/...
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81 views

Firefox Only Running As Background Process

I've created a Firefox profile, and set up a shortcut to that profile from a folder on my PC. The problem is that when I click on the Icon, nothing happens! I click it again and I get the message ...
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Does the voltage supplied to a CPU differ per core?

I'm currently trying to find a range of safe voltages for CPU overclocking. As a start, I looked at the automatic stock voltages: Without any Turbo-functions, the voltages in this case range from 0....
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Controlling when Intel TurboBoost kicks in

With an Intel i7-8650U, is it possible to limit when TurboBoost speeds up the CPU? I run some virtual soundcard software which requires frequent usage of the CPU. This causes TurboBoost to kick-in, ...
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Setting max CPU clock rate while in Turboboost

I have a Lenovo T480 with an Intel i7-8650U, which has the notorious problem of dropping itself down to 400 MHz whenever it feels like it, due to power limits. For example, even opening an ...
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271 views

Ryzen 3600 fan speed is very erratic compared to Ryzen 1600x

I've upgraded to a Ryzen 3600 from a Ryzen 1600x, on the same motherboard (that I had to flash). One thing I've noticed is that the CPU fan speed will very quickly speed up if I do something mildly "...
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CPU usage explodes from 30-40% to 99%?

Whenever I try to browse www.upstox.com in Opera 65 or any other browser, suddenly CPU usage explodes to 99%, GPU usage explodes to >80%, fan starts to throw fire at me. Meanwhile, this service ...
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1answer
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PC shutdowns due to slow CPU fan?

I am stuck in a weird problem. The CPU fan just works fine when I start my PC. But after sometime maybe half an hour the CPU fan runs extremely slow like for example it goes from (RPM 5000 to 150). ...
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Computer keeps crashing, need help troubleshooting

My desktop PC started crashing two days ago and keeps on doing it. When it does, there is no error message, no bluescreen, nothing. Sometimes video just freezes and sound keeps playing for some time ...
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156 views

strange cpu temperature - reasons

I encountered a rather strange issue: I have an Intel Coffee Lake, Core i9 9900KF 3.6GHz running on a MSI MPG Z390 GAMING PRO CARBON. Couple of hours ago I decided to check temperatures (for no ...
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326 views

AMD torque wrench failed, trashing the TR4 socket on my motherboard. Is there a path to recourse?

After reading instructions, and watching several video demonstrations, including AMD's own, I installed a new Threadripper CPU into the TR4 socket of a new ASRock X399 Tiachi motherboard. ...
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Socket P - How to search on Intel ARK

.Hi! I went looking for new CPU to an old laptop, replacing an Intel Pentium T3200, but I can't filter them by Socket P on Intel's ARK. How to search for cpus with Socket P on Intel's ARK website? ...
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161 views

Intel Pentium T3200 - Memory configuration

.Hi! Today I was repairing friends laptop and I did it, but he asked me about upgrading his RAM. He has 2x 2GB ddr2 RAMS and the CPU is 64bit, but I cannot find possible RAM configs for the CPU ...
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36 views

Does 7z compression affected by CPU efficiency

I'm currently archiving a huge amount of data to 7zip, but i've a question regarding the result: Given two processors: 1 very powerfull and the second low-cost -or- Given the same processor but 1 ...
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176 views

CPU is limited to 0.8 Ghz after both changing the hard drive and removing the battery

My laptop is a Dell i7-4600 with 2.7 Ghz and I have both upgraded its hard drive to 1TB and removed its battery because it was broken. After installing Windows, I saw my system is very laggy and my ...
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1answer
43 views

Number of processors in a multi-core CPU with hyper-threading

I've been reading What Every Programmer Should Know About Memory by U. Drepper, where they state the following on p. 3: Red Hat, as of 2007, expects that for future products, the “standard ...
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Is Windows slowing down when not fully updated?

I am running Windows 8.1 on an Intel i5-4210 CPU laptop. Sometimes the CPU speed will be capped at 0.77 GHZ, the temperatures are around 50° C, and the battery power setting are fine too. I have ...
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My laptop sometimes hangs before booting the operating system with an ACPI bug, which I think it's closely related with my nvidia graphics card

Environment Laptop: Asus TUF Gaming FX504GD-EN1354 dmesg output lspci output: 00:00.0 Host bridge: Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers (rev 07) 00:01.0 PCI bridge: ...
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Processor Intel Pentium 4 3.40 Ghz can run Ubuntu 18.04 LTS 64 bit?

Does the PC with the specs below can run Ubuntu 18.04 LTS 64 bit ? Pentium 4 3.40 GHz, 65 nm Cedar Mill Socket LGA775 2 GB DDR2 RAM 160 GB Hard drive nvidia 6500 GT video The min sys req for ...
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1answer
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Comparing CPU across different generations [duplicate]

So. My friend asked me to just improve performance of his computer, but I found a little issue. I found out that CPU is the bottlenecker, when I was about to order better CPU (3rd gen - the same gen ...
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226 views

Is it possible to replace an Intel Atom D425 processor?

I have a PC with Intel atom D425 processor, does it is possible to swap it with another without replacing the motherboard? Full PC specs: Intel Atom D425 single-core 1.80 GHz, 2 GB DDR2 RAM (it ...
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1answer
50 views

What does/can BIOS exactly limit?

We all know, that BIOS might limit a lot of things, but what are those? I'm about to buy a new CPU, but this time it is going to be a QuadCore i7, so can BIOS limit also max cores and threads and ...
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What causes Windows 10 to throttle the CPU to ~1 GHz at random intervals?

I've been getting this bug for a while now, where once in a while the PC becomes unbearably slow because the CPU is being throttled to about 1 GHz at most. It isn't a frequent issue; this will happen ...
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PC won't turn on after shutdown using Windows 10

My PC was having a overheating problem and I accidentally broke the CPU cooler while cleaning it. So I took it to the repair shop and had a new CPU cooler installed. This fixed the issue but a new ...
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Why is my CPU frequency always maximum when no load is applied?

Here is the video I am using Ubuntu 19.10. The application is cpufreq-application. I am using the powersave cpu governor (checked with cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor). ...
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Clear definition of clock cycle [duplicate]

sorry to ask what might be considered a basic question by some, but I need to know a better definition for clock cycle for something I am writing about, and most of the definitions I have found ...
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1answer
70 views

CPU vulnerabilities and web JavaScript [closed]

(using Linux desktop) I am paranoid about Spectre/Meltdown/similar and the fact that JavaScript delivered through web browser can read whatever is in my RAM. I have disabled all JS and when I enable ...
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2answers
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PC repeatedly turning OFF and ON due to CPU overheat

I'm using HP desktop for a few months, today I turned it ON, it normally booted up then after like 5 seconds it turned OFF, it automatically turned ON again and after a few seconds turned OFF, the ...
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215 views

Way to disable Intel TurboBoost before boot or during Windows Setup?

I'll try long story short. I have an Asus TUF504GM laptop with i7 8750H processor. Recently I was having BSODs, and even couldn't install Windows 10 or any other OS because was always crashing, tried ...
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4k views

Is there a BIOS setting that controls cpu load sharing?

I've noticed that for any long running single threaded task, my home PC allocates full usage to a single logical core for the entire process. However, for the exact same process, my work PC shares the ...
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How do I install this weird looking i9 9900KF I bought?

I bought an Intel i9 9900KF, or specifically from the Amazon item title: "Intel BX80684I99900KF Intel Core i9-9900KF Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked Without Processor Graphics ...
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How the CPU determines whether to put data in L1i or L1d

How does CPU decides what cache to use to store data just retrieved from memory? As far as I know the smallest unit of memory that CPU can access (read or write) is 64 Bytes (x86_64, DDR3/DDR4) which ...
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36 views

Throttle the CPU on a MacBook

Is there any easy way to throttle a Macbook pro cpu. What I want to do to is when I intend to do light work, is activate a throttle so that my macbook runs coolor and uses less power. I know when it ...
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MSI B450M-A PRO MAX only have 4 CPU pins

I'm assembling a PC for a friend who doesn't know what hardware is. I just received the motherboard (MSI B450M-A PRO MAX) and I chose the Ryzen 3 3200G processor for good performance at good price. I ...
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71 views

Computer crash, monitor loses signal

About two days ago I turned on my computer and decided to play Jurassic World Evolution, and went to load a save. When I clicked 'load' my monitor went blank and said it had no signal and went to ...
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42 views

Why is my base speed 1GHz slower than it should be in Task Manager? [duplicate]

I have a 3.1 GHz CPU, however in Task Manager it says that the base speed is 2.1 GHz. Why is that?
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Does laptop HP dv7-4045 support i5-520M?

When bought, HP dv7-4045 is equipped with quad core i7-720QM CPU. But, unfortunately, the laptop's cooling system is badly designed and CPU somewhat aged over time. The temperature now reaches 90 ...
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1answer
699 views

PC New installation using intel i3 9100f

I need to build a PC and bought the parts from store. The parts I bought are as follows. Processor - Intel i3 9100f (without integrated graphics) Mother board - Gigabyte H310 S2H (LGA 1151) ( Have ...
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24 views

Computer not booting?

I was using firefox on linux and suddenly a glitch appeared on screen and my pc became unresponsive so I tried to reinstall any os but the glitch was appearing again and again during the installation. ...
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0answers
180 views

CPU spiking to 100% doing minimal tasks

This issue just started happening one day after the day before when the computer was running perfectly. CPU is spiking to 100% doing very minor things like reloading a webpage or opening a folder in ...
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185 views

Is it possible to test the memory controller of my CPU?

My system has been on the fritz for the past week throwing up random RAM-related errors (windows bsod about memory management, memtest giving errors) and after swapping out just about all parts the ...
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351 views

Firefox using 100% CPU very often

I am using Ubuntu and Firefox 70.0.1 and at least 5-6 times a day the CPU goes to 100% because of Firefox. I tried about:performance but when the CPU goes 100%, that screen is blank. I tried ...

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