Questions tagged [cpu]

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

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HP Pavilion 13-s120nr compatible Motherboard with OnBoard CPU of core i5 [closed]

My motherboard is already damaged and it has onboard CPU, I tried searching for a replacement on eBay. The CPU of the previous motherboard I have is core i3 and I wanted to upgrade into core i5. I am ...
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Enable Windows 10 Sandbox on an old CPU (one that doesn't support SLAT)

I know that you can't enable windows 10 sandbox on a CPU that doesn't support SLAT. My actual question is that is there a way to bypass it? either by virtual box or any other VM's. Like if you could ...
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Desktop motherboard clicking, power cycling - no POST beeps. CPU and memory make no difference

I recently bought a Gigabyte motheroard and a CPU off eBay, but I tried turning them on with two different PSUs and every time I clicked the power on button the following happens: two quiet clicks ...
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i7 7700 processor showing only 4 cores and No of threads per core is 1

I am a ubuntu user, when I type lscpu I got it as Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 ...
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PC Doesn't Boot Windows after CPU Upgrade

My PC has Intel Core i5 9600k and AORUS Z390 Pro Wifi Motherboard, I decided to buy Core i9 9900K since I started to need it, So I Installed the CPU added the thermal paste and the Cooler is Kraken ...
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What processor architecture to use for debian installation

Processor Type: Intel(R) Xeon (R) CPU E3-1225 Question: What is the processor architecture for the above processor? Available options: amd64,arm64,armel,armhf,i386,mips,mips64el,mipsel,ppc64el,...
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Laptop CPU overheating issue

I have an i5-8250 (8th generation) laptop, with 8gb ram and GeForce MX150 2Gb. When I play games in low-medium settings my cpu temperature goes upto 80-85°C and GPU temperature around 70-75. Also both ...
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I do not understand exactly those RAM speeds

So, I was never in situation like this before, I always picked every part so it would fit the performances of Motherboard, CPU and RAM... But this time, every cent is counting... So... Ryzen 5 2600, ...
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Why does my Task Manager say one core but Device Manager shows 8?

On my PC it shows I have 8 cores in Device Manager, but when I go to task manager it shows only 1 logical processor. Can someone fix this for me? Under the processors tab in Device Manager 8 cores ...
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Why such a modest passmark score increase in single vs dual CPU? [closed]

I understand a bit about having more cores vs having faster cores and how this plays with different workloads. A single E5-2690v3 CPU has a passmark of 18k, while the dual CPU variant only ...
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CPU doesn't shut down, every time on startup goes to bios after no signal

One day after shutting down (from power menu), monitor went off but CPU kept on. After that day weird stuff started. On startup, at first cpu fan starts spinning (for 1-2 seconds) and monitor shows "...
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Isolate failure to PSU\Motherboard\Processor

I have a 2.5 year old custom built PC which intermittently stopped booting a few weeks ago and has now completely stopped booting. The symptom remains the same, the fans and LED's spin up, I can hear ...
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If it's worth to buy SLC SSD for low-end CPU and SATA II in terms of performance?

I have Dell Optiplex 330 and I wonder if on this PC SLC SSD would have any difference from other cheaper types of SSD.
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Why does my CPU have a much higher speed than it's core speed of 1.6GHz?

My CPU, Intel(R) Core(TM) i5-8250U @1.6GHz averages around 2k GHz and I'm pretty sure the CPU is unclock-able. Why? Could it be possible that is caused by my laptop being constantly plugged in? The ...
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P6T Deluxe V2 + CPU not working

I recently faced a strange issue. When I plug in the psu to the motherboard it lights up. When I press the power button it starts working. When I insert the CPU it does not start. With the CPU ...
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Very high CPU usage by explorer.exe constantly (something to do with Windows.Storage.Search.dll)

The problem started a few days ago and now it gets high to sometimes 12% and some time to 45% CPU usage. It doesn't start immediately but after a little while if you terminate explorer.exe and start ...
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How to interpret the %cpu of wa (waiting) percentage?

Given results from top commands: top - 10:21:11 up 124 days, 14:40, 5 users, load average: 124.16, 59.37, 31.47 Tasks: 580 total, 4 running, 576 sleeping, 0 stopped, 0 zombie %Cpu(s): 7.8 us,...
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What is the real command to know the total real time CPU % status on Linux env and what is the ideal value

I understood that top and htop give a lot of info in real-time on the server status. But what really gives me the total CPU of the server? can I rely on the id column from the top command: %Cpu(s): ...
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iaStorAfsService.exe Intel(R) Optane(TM) Memory Service

Are there any disadvantages or strong reasons against setting a reduced affinity to CPU 4,5,6 and 7 rather than all of them. The reason is because it takes up a lot of the CPU and the fans then run ...
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why does my cpu get too hot while playing game?

recently, some of my system drivers have been updated. before that the CPU temp fluctuated between 60 and 70 centigrade (in games),but after updating,the temp has risen to 80 centigrade while playing ...
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Lenovo G550 CPU upgrade from T3000 to P8700 issue

I have a Lenovo G550 laptop. I wanted to upgrade its CPU from T3000 to P8700. Both support PGA478 socket. I bought being in use P8700 and inserted it into my G550 laptop's socket. As a result: In ...
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How to find out the latest available microcode version for an AMD CPU?

While for Intel there is information like microcode-update-guidance.pdf and releasenote, I could not find similar information about AMD CPU microcode updates. Is it available anywhere?
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Diagnosing high CPU usage and strange issues

Totally stumped with an issue that seems to persist across machines. Symptoms are High CPU usage (100% or close to) Device manager hangs when opening - it may open after 5-10 minutes HP Audio ...
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223 views

i7-7700k Intel Virtualization Technology not working when attempting to use VirtualBox

I am trying to run a VirtualBox and I am getting VT-x disabled error. I have a i7-7700k which should be able to run Virtualbox AND I have used it in the past and it worked. Intel processor ...
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Processor power configuration causing audio to crackle on windows 10

I'm using a Lenovo Legion Y530 with Windows 10 1809 (Intel i5-8300H) and I have noticed for a long time that my sound has a lot of crackling/popping. After weeks investigating it (I'll provide more ...
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Is it a dead motherboard, or not enough power? (2008 Intel Skulltrail D5400XS)

I'm hoping that someone has real-world experience starting up an Intel Skulltrail D5400XS system, with less than the Intel-recommended 1,000 watt power supply. And/or, real-world experience with ...
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4790k Haswell CPU temps 99C ? is it ok?

Hi all I am using a stock cooler and have the above CPU. My specs are: z97-P 4790k @ 4GHz (stock cooler, not overclocked) 1060GTX 6GB 32GB Ram 800Mhz 405w PSU I am now using Unreal Engine, alongside ...
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Is this normal? CPU temperature at under 60C but fans running extremely high?

I'm running Bootcamp on a MacBook Pro16" with the highest-end CPU/GPU, and I'm finding it runs the fans up a lot; maybe it's also running extremely hot, but under 60C doesn't sound too bad. This ...
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170 views

What does a blinking CPU light mean?

I built a headless server with a Ryzen 5 2600 and a B450 Tomahawk Max (and some other components). It worked normally until recently. Now, when I try to turn it on, the "CPU" EZ Debug light is ...
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Will undervolting with Intel XTU on Windows, be applied on Ubuntu aswell?

Recently I undervolted my laptop CPU on Windows with Intel XTU due to overheating. I use dual boot Windows and Ubuntu. I am not particularly aware how and on what level the undervolting takes place. ...
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Why is the base clock in task manager lower than the titled clock speed?

Task Manager recognizes that my CPU is a 3.1 Ghz model, but also tells me that the base clock is 3.0 Ghz.
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HP Omen 870-224 Motherboard upgrade

Just purchased a Gigabyte B365 Ultra Durable Intel LGA 1151 mATX Motherboard for my HP Omen 870-224. I had no issues booting the PC without the CPU but once I installed the CPU and fan, it wouldn't ...
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Can one process use multiple cors at the same time in parallel?

I'm still a bit hazy with my understanding of a computer processor in relation to the work of a process. Being specific, I plan on getting a new computer and ultimately want to get the fastest compile ...
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New build - No BIOS screen, no POST beeps

So trying to build a new AMD based system, but having no such luck - the power LED and CPU fan turns on, but no POST beeps or BIOS screen. Specs and list of things I've tried below. Any suggestions? ...
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Why Intel i5-8350u is faster than AMD Ryzen 2700x in Python script in single core?

I have strange situation. Long story short, laptop with Intel i5-8350u runs Python script twice faster in single core than AMD Ryzen 2700x. Now a bit more details. Firstly, specs of the machines. AMD ...
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Computer not powering on, only short PSU fan spin and short GPU LEDs powering on

I've replaced my CPU fan on my desktop PC yesterday and got it to a point where it was working fine afterwards. Now I have just moved the desktop from the floor back to its location and it won't power ...
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QEMU/KVM cpu pinning

I have set up my VM with pci passthrough and now I am trying to set up cpupinning. How do I verify that it does in fact work? My config regarding cpu parameters: ... <vcpu placement="static">4&...
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Is my CPU overclocked?

My pc's info under the voice processor says this: "intel(R) Core(TM) i5-1035G1 CPU @1.00 GHz 1.19 GHz" but I can see from a pannel that my CPU offen is going at 2 GHz is this normal? I need to ...
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CPU upgrade failed on a Dell Precision Tower

Just got two new Xeon Gold 6240 CPUs for a Dell Precision 7920 Tower. Dell's website says these chips are compatible with this computer. After installing the new chips, I'm getting a pre-boot failure ...
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Difference between the MacBook CPUs

I have an old 2011 13-inch MacBook Pro and I am thinking to buy a new one. I am wondering if the difference between the CPUs is different. I checked the benchmarks here. MacBook Pro (13-inch Early ...
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Add more ram in HP Laptop 15-bs0xx?

Laptop Model-HP Laptop 15-bs0xx Board: HP 832A 23.70 Processor: 2.30 gigahertz Intel Core i3-7020U Architecture: 64 bit OS: Windows 10 home Slot1 = 4GB RAM (Speed- 2400 MHz, Form Factor- SODIMM Slot2 =...
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Linux Server with high CPU Load but low %CPU usage

My server's CPU shows high average LOAD but the %CPU usage is very low. How can I investigate this issue and find the root cause? Thank you. top - 07:40:21 up 339 days, 10:24, 1 user, >>...
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Run 64-bit Kali Linux on 32-bit host Windows 7 with x64 processor

I have this in my computer Windows 7 Ultimate 32-bit VMWare Player 6 Kali Linux amd64 iso(Downloading) Intel i3 2120 x64 processor My question is that will Kali Linux run on my system provided I ...
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Increase cpu clock in high demanding apps without setting it at 100% all the time

I have an issue with my CPU (i7 6700k) running too low when using audio softwares. It runs at about 1.5ghz instead of 4ghz, which causes audio cracklings and drop-outs because my DAW uses over 70% of ...
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How to install Intel Virtualization Technology? [duplicate]

CPU: Intel® Core™ i7-4710MQ Processor Windows 10 Enterprise LTSC Hyper-V: When I install Virtualization Technology driver got below: I check the BIOS, and there don't have the option for ...
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CPU clock speed vs real speed?

If a CPU clock speed is 1 GHz, which basically triggers a clock signal every 1 ns, but I wonder what's the 'real' travelling time of a signal in a full ALU/register/cache/memory computation cycle? ...
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Maximal TDP for laptop?

.Hi. Since Toshiba is the best informator, I don't know what is the highest TDP for a CPU, since I want to upgrade from i7 3632QM to i7 3940XM, which is 55w TDP while i7 3632qm is just 35w, is there a ...
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New build won't start, but seem to have ruled out potential causes

I'm working on a new build, and have never run into anything like this before. I hit the power button, and... nothing. No case fans, no CPU fan, no PSU fans, no sounds, no beeps, no POST, no clicking,...
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What is the optimal number of CPU-heavy data mining jobs to run in parallel? [closed]

I have a CPU heavy data mining job that's parallelizable. Each job run takes ~10 minutes. The job isn't heavy in IO, it's mostly heavy in CPU compute. I have a 32-core rig with 2 threads per core and ...
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Thermal throttling when laptop is cool?

I have a Lenovo Legion Y520 and the previous thermal paste done on it was awful, and I experienced thermal throttling all the time. As a result, I bought Grizzly's conductonaut and the results were ...

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