A CPU (Central Processing Unit) is the chip responsible for actually "doing" most the instructions given to a computer.

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CPU usage of named daemon on CentOS 6

I'm having an issue with the name server daemon using up more CPU than I can understand. I got to this issue while trying to figure out why the VPS I'm running feels slow. First off, the problem of ...
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15 views

KVM not working on CPU supporting VT-x

I got a hp xw4400 workstation pc which is fairly old. As the pc shall not yet be retired I'd like to use it for some light virtualization using QEMU / KVM. The pc is currently running Ubuntu 16.04 ...
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2answers
163 views

Undervolting an AMD A8-4500M runnning Linux

I have a HP Pavilion g7 running elementary OS (based on Ubuntu) which is known to be loud and overheat.Mine doesn't shutdown but it does get loud which is very annoying (and 91°C with both Prime95 and ...
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24 views

Optimize hardware for CPU intensive tasks

Can I use perf counters to make better decision about investing in hardware? My goal is to run CPU intensive tasks like gcc faster. I'm wondering whether I should focus on getting more CPU cores, ...
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33 views

GPU overheating troubleshooting

I've been having overheating problems for a while now, and I'm not sure which part is at fault. My specs: Windows 10 x64. Motherboard: Gigabyte Z87-HD3. CPU: Intel i5 4670 K. GPU: AMD MSI R9 290 4G ...
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44 views

Strange PC behavior: Is my Motherboard or CPU failing?

Yesterday, when I tried to boot my computer (see below for specs), it would start booting for about 1-3 seconds, then shut off for a second or two. It would cycle like this indefinitely until I either ...
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29 views

What do more cores specifically do? [duplicate]

I am running Windows 8 on a custom built pc, where the processor is currently the Intel Pentium G3258 (2 CPUs) ~3.2GHz and I have overclocked it to run at 3.7GHz, but the performance I need is ...
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2answers
49 views

1 stick of 4x4 gb wont be recognized as 16gb BUT 4gb

I have one RAM stick modell CML16GX3M4A1600C9 Corsair 1600mhz (4x4gb)16GB . First i used two RAMS sticks modell BLS4G3D1609DS1S00.16FED2 4GB each and my computer works good with 8 gb installed , and ...
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13 views

CPU usage high but no process showing high usage [duplicate]

I'm running Win7 64-bit and for the last 30 days or so the computer is heating up more than usual with the fan on almost constantly. When I look at the Task manager, CPU usage is always around 25%, ...
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35 views

cpu temperature influenced by integrated graphic card?

I have an intel skylake i5 6600 no oc..still no dedicated graphic card..here it's summer,ambient temperature can get up to 30° and during games sessions my cpu temp can get to 80-85° with stock cooler....
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28 views

Log of computer uptime and main CPU consuming threads

Is it possible, with a built-in Windows 7 tool, to get something like this for the past 3 months : DATE COMPUTER ON TIME COMPUTER OFF TIME DURATION MAIN CPU-CONSUMING PROCESSES 2016-06-...
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25 views

CPU Temperatures

I have an issue with my FX8350 on Gigabyte 990XA-UD3. I've set a BIOS buzzer warning to sound off when the socket temp exceeds 60C/140F. On my FX8350 I have an CM Hyper 212 EVO, and the CPU is ...
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64 views

What voltage should the i5 6600K be set to?

I recently purchased the Core i5 6600K and an ASUS Maximus VIII Gene motherboard. After setting up the automatic overclocking, it was brought to my attention that a CPU voltage of 1.425v is way too ...
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13 views

Cycling between two BSOD since CPU overheating error

Last night while gaming (4-5 hours worth) my machine unexpectedly cut power. On reboot, the Bios load warned of an overheating CPU. Within the BIOS the CPU was 53c, so I restarted the machine once ...
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18 views

How to display the OC (actual) CPU frequency in c#

I want to do the get the actual frequency of the processor, but when I try to take it from WMI and Win32 Processoralways returns to the default clock, even if I take the MaxClockSpeed. Actually I ...
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2answers
34 views

Is there a linux command for current CPU usage?

On a linux system, is there a command that will give you the current CPU usage? I know you can visually inspect using top or htop, so the data exists somewhere. I'd like a command to say "at this ...
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2answers
148 views

To prevent overheating, why not turn laptop upside down?

The fans and ventilation holes are positioned on the bottom of the device, as with most laptops, as well as the HDD and other components making heat. If these items are all positioned on the bottom, ...
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2answers
70 views

What does (R) and (TM) mean in Intel brand name?

I know this question is stupid but could anyone explain it. What does (R) and (TM) mean in Intel brand name? For example: Intel(R) Core(TM) i7-2670QM Thank you.
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1answer
40 views

Computer crashes while playing games. CPU seems to go above rated GHz

I recently started seeing my computer freeze for a second or 2 every now in then when I’m playing games on about full load. This never used to happen and now it is concerning. It does it pretty often ...
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28 views

Upgrading Processor, Pavilion Slimline s5503w AMD sempron 140 > Athlon 64 X2 5400+ or Athlon II 245?

With the ever dropping price of older processors I decided to put a new(er) processor in one of my spare computers. So I need a bit of help on deciding which processor to upgrade to. Just enough to ...
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2answers
105 views

Where to find processor failure notification in linux environment?

I am currently working in Linux environment and I would like to know where processor failure notifications will be seen in Linux? and where these messages will be logged?
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21 views

CPU core temps quickly at ~100°C with no load

This problem started a few month ago where this occurred a few times randomly but could be fixed with 1-3 reboots. Now this is a permanent problem: When my PC boots it takes about 5sec until my ...
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1answer
62 views

Computer with high specs lags for some reason. Don't know why

My computer has pretty decent specs. Windows 10.1 i5 3.7ghz processor 16GB Ram 4GB Nvidia GTX 980 Graphics Card CCleaner is run regularly. Over the last few weeks the computer has begun lagging and ...
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1answer
23 views

What hardware would be suitable for a relatively 'future-proof' consumer VR desktop gaming system?

I'm considering building a new PC. I'm not going to jump into this generation of consumer VR hardware, but the next set might have me. Can I build something now, or in the next few months if it's ...
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1answer
36 views

CPU: Older Technique + higher benchmark scores vs newer technique + lower scores

I am searching for a new laptop. I've noticed that the newer i5-6200U (Skylake) is beaten by a i7-4700HQ (Haswell). Why does Intel produce lesser Skylakes with a high price instead of producing only ...
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38 views

How to solve “system and compressed memory” taking 50% of the CPU? [duplicate]

Recently I connected a second hard drive to my laptop. After that system and compressed memory started eating 50% of the CPU. I removed new hard drive and it became normal. How to solve this issue?
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33 views

Acer ASPIRE ONE D257 Freezes and switches off

My girlfriend's Acer started to run slowly. I gave it to a "specialist". Nothing happened. The notebook is out of warranty since a long time. I cleaned the unnecessary programs - no result. Next ...
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1answer
43 views

How to diagnose my computer's issue?

I have a serious problem here, my desktop suddenly shutdown. I was testing my HDD and I found that it has some bad sectors, so I bought a new one: WD GREEN 500gb. After that everything went right, ...
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1answer
169 views

What's wrong with the i7 6700k and asus z170 pro gaming?

Hi i'm recently building a new rig. Since my old pc died after 7 years. So i thought, my time as come. Here's my build CPU - i7 6700k mobo: asus z170 pro gaming RAM: g skill 2x8gb @3000 mhz (checked ...
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21 views

H81M-HDS Intel Pentium G3220, not Posting, and no video

I am experiencing issues with a, H81M-HDS motherboard with an Intel Pentium G3220, when I press the power button, the fans spin for half a second, it turns off, does it again, and will then spin the ...
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51 views

How can I get rid of the 'System Interupts' process? [duplicate]

I have encountered a problem with my Compaq Laptop. When open up Task Manager I see that a whooping 24% of my CPU is being used by a process named 'System Interrupts'. My laptop isn't an expensive ...
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1answer
22 views

spamd is using a LOT of CPU credits on my AWS EC2 instance

I've got a EC2 micro instance on AWS and running spamassassin. It's been consistently using about 0.5 CPU credits within a 5 minute period lately. (This means that my CPU is running at 50% over a 5 ...
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22 views

Linux cpu usages high but clock speed is low

I am running a game server (ark survival if it matters) on Ubuntu Linux 14.04 and when the number of users connected increases the CPU usages also increases, which is as expected. But the clock speed ...
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9 views

How do I safely separate the heatsink/pipe from the processor on the Packard Bell F7280?

My laptop shuts down and the main fan stops. I am convinced it's dust build up in a void below the heat-sink fins but the heatsink is firmly stuck to the processor. (see link to manual page 8 ) ftp:/...
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37 views

Spooler SubSystem App takes high cpu?

I'm using windows 10 and updated automatically about two days ago. I just realized that "Spooler SubSystem App" takes about 30% of my CPU time. Restart does not work. (it's just there after reboot) ...
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1answer
79 views

Will increasing RAM of my laptop with Core i3 processor, from 3gb to 8gb, speed up my laptop?

I have a Dell Inspiron n5110. It has a Core i3 processor, and 3gb RAM. I have been told that I can install a maximum of 8gb RAM in my system. When I run Android Studio on it (while a Google Chrome ...
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2answers
47 views

Out of a sudden, CPU overheating, causing crashes in apps and forced restart

I have this computer that I did assemple, since 2013. It is an i5 4690 @ 3.50 (not overclocked; I use the standard ASUS OC setup, which is set in the motherboard automatically). The video card is a ...
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0answers
45 views

Why is my CPU limited after sleep or hibernation?

I run Windows 10 x64 Build 1511 on a HP Pavilion dv6 with Intel Dual Core at 2.27GHz. Every time I sleep or hibernate my computer and wake it up, it runs at 0.77GHz or 1.56GHz, which makes my ...
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100 views

“Memory Size Test Fail” on newly purchased 6900k

I just finished piecing my new build together. I am using the same PSU (Corsair 850i), video card, and SSD as my previous build, which was working without any issues. After I started a game up (any ...
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1answer
25 views

How do Multi cores CPUs get tasked?

I have an AMD Octo core CPU. As I watch the CPU meter app, I am noticing that while all cores can have activity, it seems a couple have higher and more consistent activity. How does the "work load" ...
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33 views

CPU Core Temperature 40 degrees cooler than CPUTIN tempterature

My pc has been heat crashing due to an overheated CPU a lot recently so I just opened it up to redo the thermal paste and make sure that that was not the issue. It is an Intel i7 4820k. I booted back ...
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0answers
9 views

Cpu's and chipset's Pci express lines

I am confused about the distribution of pci express on a motherboard.For example if I have an i7 6700k,it has 20 pci express lines and z170 chipset has other 20 pci express lines.Does it mean that ...
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1answer
39 views

Lowering APU Voltage increases performance?

I have an AMD APU (A6-4400M) and sometimes performance decreases when TurboCore increases Voltage/Clock speed. I use AMD Overdrive to manage Voltage and CPU Speed cause my fan gets crazy when reaching ...
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27 views

Having an issue with VT-x not being detected

I've recently built a new machine, planned as a significant upgrade from my last box... Gigabyte X99P-SLI Motherboard Intel i7-5930K CPU (Intel® Virtualization Technology (VT-x): Yes) 64 GB RAM ...
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1answer
40 views

When using laptop for heavy duty statistical analysis is it more important to have highest possible RAM or fastest possible processor?

I'm starting a private equity company and need to buy a laptop that can perform heavy duty statistical analysis. I don't know if I should focus on finding a laptop with the highest possible RAM or a ...
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20 views

How to turn off hyperthreading on hp z230 Win7 32bit

I have a legacy application that when ported to this new HP desktop exhibits performance errors. I need to disable hyper-threading on this desktop. It has an Intel I5-4095 quad core processor. The ...
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1answer
28 views

What is the purpose of lights out management for the average consumer?

I recently read this post over on Skeptics which concludes that many consumer computers contain components which can access the internet and perform operations while the computer is powered off. The ...
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10 views

Geekbench 3 as performance prediction for games

Let's assume games optimised for multicore performance. Let's assume benchmark result as middle average result from the whole range of available results. If a certain CPU has twice geekbench score of ...
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1answer
31 views

Value of Intel Pentium Processor [closed]

I have a CPU that reads: INTEL Ⓜ © '01 PENTIUM®4 2.40GHZ/512/533/1.525V SL6DV MALAY 0248A225-0527 I was wondering if it was worth anything?
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29 views

Microsoft Office via Parallels on Mac: core utilization

So I guess it is a well known fact that Microsoft Office for Mac utilizes only one core. I am wondering how I can make it faster or how can I make it use all four cores I have on my Mac? We can ...