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

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TiWorker.exe - Very High CPU Usage

I have a laptop running Windows 8. Although it originally ran well, it started having very bad performance issues. I decided to perform some research into the topic. Opening up Task Manager, I ...
0
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1answer
49 views

Ubuntu - Hot to bind an action to perform when high CPU temperature in Ubuntu?

Im using Kubuntu 13.04 - by default it just shutdown system, and I want to set it to suspend, to avoid loss of work progress. How can I do this?
0
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0answers
7 views

Power surges after installing graphics card

Power surges happen a few times a day (I think this is already an alarming rate) when I play games, say The Sims 4. When I play, the computer just reboots then my ASUS Motherboard tells me that it has ...
1
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2answers
234 views

Want to buy Asus H81M-PLUS motherboard and i3-4150 CPU; how to make sure it'll work?

I want to buy an ASUS H81M-PLUS mainboard and an Intel i3-4150. The CPU is an Haswell Refresh CPU, but the mainboard needs a newer BIOS version to support the CPU. I expect it won't be shipped with ...
1
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1answer
29 views

Putting i7-4790K under full load causes triggers a hard reset (computer shuts down with no error message)

I have a brand new system with an i7-4790K on a GA-Z97X-UD5H. I'm using the stock heatsink/fan, and my PSU is a gold rated 450W Rosewill. There is no graphics card. The CPU is not overclocked, all ...
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1answer
25 views

Where to get accurate cpu temprature readings?

I am trying to read my cpu temprature under full load (After overclocking by 0.3 ghz). For this I have used CPUID HWmonitor, Core Temp and SpeedFan. CoreTemp and HWmonitor seams to show good ...
0
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1answer
31 views

Does the Windows 98 OS/shell use the CPU to write to the framebuffer/display?

I mean does it use the CPU to access MMIO to put pixels on the display without having other hardware (e.g. GPU, etc.) follow-up after it. When Windows 98 boots, it loads an image by whatever program ...
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0answers
22 views

AMD processor better for Virtualization [on hold]

I am looking to buy a new desktop to run up to 4 VMs at the same time and I am trying to gather advise from those who have used AMD processor to run multiple VMs. Intel processors are a bit expensive ...
0
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0answers
15 views

What is more important on a cpu? [duplicate]

What should be the criterion upon I should decide whether or not to buy a processor its speed? or the number of cores? meaning should I seek out a processor which is fast but has 2-3 cores or is it ...
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1answer
20 views

Difference between CPU and processor [duplicate]

Is there any difference between the terms 'Central Processing Unit' and 'Processor,' or are the terms interchangeable?
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0answers
9 views

How to limit number of CPUs in Mathematica

Is there any way to limit the number of usable cores from within a mathematica program? Here is the long story: I am submitting some batch jobs to a server. During the submission, I need to indicate ...
0
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1answer
24 views

Can I use 2400MHz RAM with an Intel Xeon E3-1230V3 processor?

The datasheet for the Intel Xeon E3-1230V3 says it supports a maximum of 32GB DDR3-1333/1600. But isn't the RAM speed dependent on whether the motherboard supports it? I'm thinking of getting this ...
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2answers
2k views

How to Overclock a Dell Inspiron 531?

I have searched all over the web on how to overclock a Dell computer. I cant find anything about it. I am trying to overclock the CPU. My specs: Mainboard : Dell 0RY206 Chipset : nVidia 6100V ...
0
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0answers
28 views

Will my cpu (E7500 core 2 duo) bottleneck r7 260x?

My pc specs are E7500 core 2 duo nvidia 9500 GT 1 GB DDR2 4 GB DDR2 ram I want to upgrade my graphic card and I am choosing between r7 260x and r7 250. I am worried that my system wont be able to ...
2
votes
1answer
4k views

How to disable software-initiated overheat shutdown (due to broken sensors) in Windows 8?

A power spike broke the CPU temperature sensor on my motherboard. Memtest86+ runs fine. However, neither Linux nor Windows boots under default options. Windows simply shuts down during boot. Linux ...
1
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0answers
21 views

Should you worry about high voltage and wattage on a non-overclocked computer?

I've been wondering if I should be worried at all about high wattage or voltage on a non-overclocked computer. I say non-overclocked because when I Google search this question or something similar it ...
0
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0answers
19 views

How can I limit the speed of the chasis fan on an Asus M5A78L-M LX PLUS?

I was working on an Asus M5A78L-M LX PLUS motherboard and I replaced the chassis fan with something a little bit quieter and with more CFMs. However, once installed, it was very noisy and it was ...
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1answer
16 views

Will this processor be compatible with my PC?

I have an Advent T9508 PC with a Foxconn 45CM motherboard. The processor that the computer came with when we purchased it many years ago was a Core 2 Duo @ 2.2 GHz. I found a Core 2 Duo 3 GHz E8400 ...
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1answer
38 views

Can OS X run in an x86 emulator?

I have never heard of nor seen OS X operating systems running within x86-64 emulators. Is this a reason? Windows, Linux, etc., and plenty of hobbyist OSes work on x86 emulators (even SkyOS); however, ...
0
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0answers
126 views

Very slow computer but low CPU or Memory usage

My computer is very slow. All the programs and Windows itself is slow. But strangely, all the games run without lag. They are not affected somehow. I just reinstalled my computer for the 6th time ...
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0answers
46 views

What are fundamental advantages or disadvantages of the PowerPC architecture versus x86? [closed]

Why was PowerPC being used more in certain applications, while x86 has become the PC-standard?
0
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1answer
39 views

lshw shows wrong CPU count

I have a Samsung NP550P7C laptop with an Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz Under Ubuntu 12.04 32bit, lscpu and /proc/cpuinfo detect 4 CPUs but lshw only shows 2 CPUs Could there be some sort ...
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2answers
7k views

Disable Frequency Scaling “ondemand” daemon on Ubuntu 10.04

I noticed today that a process "ondemand" was running on my Ubuntu Server that I recently upgraded (following the recommended process) from 9.10 to 10.04. Why on earth would they install this by ...
4
votes
3answers
4k views

Mac OS X Server 10.6.6 “disables” CPU in VMware Fusion

I installed Mac OS X Server 10.6.0 in VMWare Fusion the other night and it worked perfectly, until I ran Software Update. I upgraded to 10.6.6 through the combo updater, and now when I start the VM it ...
63
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8answers
6k views

What's the difference between mobile and desktop processors?

I just read about the new Samsung Galaxy Note Edge having a 2.7GHz quad-core processor and 3gb of Ram. The laptop I bought last year by HP is 4 Gb of ram and 2.3GHz quad-core and my iMac is even ...
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0answers
26 views

Is it possible to replace the Surface RT NVIDIA 1.4 GHz Tegra 3 Processor with an Intel i5 or i7?

Tear down difficulty aside, is it possible to simply remove the NVIDIA 1.4 GHz Tegra 3 Processor in a Surface RT and replace it with an Intel i5 or i7? I admit I am not much of a hardware guy ...
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7answers
2k views

Why are modern CPUs “underclocked”?

I keep reading since years about magical overclockability of modern CPUs. It is said that CPUs (with open multiplier) which are shipped to customers with (let's say) preset 3GHz, can be overclocked ...
0
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2answers
33 views

do I get half the CPU speed for a single thread if HT is turned on? [duplicate]

If I have a single 2.6GHz core for example would it mean that with hyperthreading I have only 1.3GHz for a single thread that my app have or is it on demand only if I will use (lets say my app is the ...
0
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0answers
24 views

Ubuntu 14.04 hangs at “[2.688088] Switched to clocksource tsc” (Intel Pentium 4)

I installed Ubuntu Server 14.04 on a Pentium 4 machine but booting the System hangs at: [2.688088] Switched to clocksource tsc I've tried all the Grub kernel bootoptions listed in this post: Linux ...
0
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1answer
31 views

Difference between Instruction, operations and micro-operation (uop) [on hold]

I am trying to understand the intricate terms related to performance of processors. Computer performance is measured in FLOPS, which is short for FLOPs per Second. FLOPs itself stands for ...
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0answers
21 views

Lag in Windows 8 when playing audio

I ran LatencyMon and these as the following results... CONCLUSION: Your system appears to be having trouble handling real-time audio and other tasks. You are likely to experience buffer underruns ...
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0answers
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How do I make cpukiller3 app to AUTO RUN on boot with windows? [on hold]

cpukiller dot com is the site. But need it to auto start running each time I get the computer to boot. ON WINDOWS
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0answers
27 views

system monitor showing 25 ghz cpu speed, could that have any bad effect?

http://i.stack.imgur.com/ZKl0f.jpg I have a water cooled system, but.... I dont hatve that kind of wallet to be able to pull that out. is anyone of you that had this problem?? what I want to know ...
0
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0answers
27 views

Laptop shutdown(without any error) due to overheating [closed]

I am posting my issue too late than it started occurring. I have a sony vaio with intel core i3-370m,4gb ram,500gb hdd and 1gb amd radeon 5000 series gpu. Its more than 3 years old laptop but i used ...
24
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3answers
28k views

Are there solutions that can limit the CPU usage of a process?

I am using an old laptop and doing heavy processing that needs high CPU usage for a long time (~30mins - 2hours). When the process puts heavy load on CPU for a long time, CPU overheats and computer ...
0
votes
2answers
33 views

Is it bad for a CPU to be running at a high speed for extended periods of time?

I have an Intel Core i7-4770S (3.10 GHz) that can go up to 3.9 GHz in turbo mode. Windows Task Manager can report it going up to about 3.5 GHz when playing certain games and probably goes higher every ...
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votes
2answers
337 views

Are my CPU temperatures too high?

My CPU temperature revolves around 40 - 50 C while idle and it immediately shoots up to 90 C while starting a game as old as AOE II Conquerors. See below the screenshot which I captured using CPU ID ...
2
votes
3answers
98 views

Dots and black screen while gaming

I have a very annoying problem with my PC. It's specifications are as follows: Model: ASUS N55SF Notebook Processor: i7 2670QM 2.20 GHz Graphics Card: GT 555M 2 GB My issue is that I ...
0
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2answers
394 views

Temperature sensors showing high CPU temps, CPU not super hot

(For monitoring heating I have used SpeedFan, Ai suite II (asus mobo software), RealTemp and my bios (on an Asus Gene IV Rampage)) SpeedFan says 100-120 C RealTemp says 30-80 C at idle (30 C ...
3
votes
1answer
2k views

High Disk I/O and CPU usage of System Process in “System Volume Information”

I've a problem with high disk IO and cpu usage from the system process. With the performance monitor I can see that it writes and reads about 100MB/s froM "System Volume Information". I tried to get ...
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votes
0answers
16 views

Windows 8.1 High CPU usage when inserting a removable disk

I've been experiencing high CPU usage since I have upgraded my pc to Windows 8.1. When I insert a removable drive (e.g. flash drive) it makes my CPU usage all the way to 99%. and my Task manager tells ...
0
votes
0answers
20 views

My CPU fan is constantly at ~500RPM - LOW SPEED

I have tried setting the RPM in the bios but the only two settings are "Off" and "Slow". My mobo is DP55WG and it is updated. I am using an 212 EVO heatsink + fan and the fan is plugged in the correct ...
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2answers
2k views

Upgrade laptop CPU from i3-330M to i5-whatever

I have a VPCCW2S1E with: CPU: i3-330M cpu Intel® NM10 Express Chipset. I'd like to upgrade it with an i5. (or anything faster!) I see my socket is either a BGA1288 or PGA988 and an i5 such as ...
-1
votes
0answers
21 views

Server or workstation? how do I choose a good system for parallel computing of MATLAB software?

I need a high performance system for my MATLAB calculation. Besides the number of cores (logical cores) I need fast cores, high RAM (near 64GB), and a fast CUDA core Nvidia graphic card. I found that ...
-1
votes
2answers
946 views

ACER ASPIRE V3-571G-9435 Fan not kicking in leading to overclocking

This laptop has always had this problem. The temperatures kick up to the thermal ceiling of 99C for the CPU (i7-3610QM) and 94C for the GPU (GT 640M). Problem is, the FAN doesn't give a damn. It's ...
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1answer
24 views

Low performance when charger is plugged in

I got this laptop: Dell Inspiron N5010 with i5 2,40GHz processor, 8GB Memory and a Kingston SSD. 4 months ago my charger`s pin jack has broken, but it was still working. I noticed that the ...
0
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2answers
34 views

AMD CPU Temperature

I installed an AMD A8-6600 and the CPU temp seems high. It's running between 60 - 68C in the bios health monitor. I'm using the onboard graphics. That temperature seems too high to me. Is that temp ...
0
votes
1answer
25 views

What is a U2E1 socket?

I have a 2011 MacBook Air running Ubuntu 14.04 and would like to find out the CPU socket through software methods. To do so, I'm running sudo dmidecode -t 4, which yields, among other things, this: ...
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2answers
3k views

Need program to monitor Laptop CPU and GPU temperatures - with SHUTDOWN support

I just received my HP TX2500 tablet back from laptop service (fried ATI GPU) and I need software to monitor temperatures which supports emergency system shutdown after it surpasses a specified limit.
2
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0answers
47 views

Would a powerful enough D-Wave system (quantum computer) be enough to reach over 50% of bitcoin?

Bitcoins computational power is about 64 exaFLOPs. The most powerful supercomputers don't even reach one of those exaFLOPs. D-Wave, unknown as I couldn't google it, but I read that it is 3,600 times ...