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

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Is it possible to connect multiple output screens to single machine

Suppose i have four screens A,B,C,D connected to single machine. I need to play different video to each screen which control and coordinated by application running on single machine. Problems i am ...
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Laptop CPU Upgrade BSOD's safe mode

I recently upgraded my HP ProBook 4530s CPU from an i3 2350M to an i7 2670QM and I had an original problem that my computer would freeze on startup when trying to load windows 7 professional 64bit. ...
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Why is Google Drive so heavy on my CPU?

As the below screenshot shows, despite the fact that Google drive doesn't appear to be doing anything (it's not syncing any data) it's using over 12% of my CPU (a core i7). The official ...
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1answer
15 views

Is the Asus Z97 Board integrated Graphics or iGPU, and what is the difference? [duplicate]

I plan to buy an Asus Sabertooth Z97 Mark 1 board, with an Intel Xeon Processor E3-1220 v3 (without graphic). Now I don't know if the Asus board uses an integrated graphics or the graphics from my ...
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1answer
26 views

Z87 Deluxe edition Won't boot with Core i7-4790K

The new motherboard, of a friend of mine, will not boot with his brand new Core i7-4790K processor. The CPU error LED blinks as soon as we power on the unit. Hadrien
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2answers
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Does this Motherboard support 2 Graphics Cards

hello i've just bought new pc gamer with this motherboard, i've already nvidia geforce gtx750 and i want to add another 3d graphic card, is it possible to support another one ? ps: my power supply is ...
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1answer
20 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 ...
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1answer
22 views

AMD processor on budget laptops [on hold]

I wish to buy an AMD laptop but am confused with the given choices. My existing laptop has a Pentium T2130 32-bit chip and I wish to upgrade it to a 64-bit with better performance. So I am looking to ...
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zsh process taking 95% of my CPU

When opening my activity monitor, I have a zsh process taking all my CPU. Is it normal? I have iTerm and oh-my-zsh installed but I don't expect it as a normal behaviour. Any idea?
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1answer
15 views

How can I compare effective power usage of two CPUs / CPU+Mobo+Mem combinations?

I have this server which does mostly file sharing (with the associated storage). No serious number crunching and it isn't the firewall. My current box has a Celeron D processor (Prescott 336 2.8 GHz); ...
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0answers
12 views

PC won't function upon startup but fans and disk drives work. [on hold]

my computer will "turn on" with fans going but no beep no keyboard flashes and nothing on monitor. also fans run at full speed while computer is turned on and doing all this. was doing this few ...
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0answers
29 views

worth upgrading macbook pro 2.5 for 2.8GHz processor?

I've just bought a macbook pro 15 inch with 8GB RAM, 500GB ssd, and 2.5GHz quad core intel i7 processor. I am using it for Lightroom and I also intend to use it to do some video processing, probably ...
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0answers
34 views

Is a i5-4200U (2.60GHz 1600MHz 3MB) faster than i5-4210U Processor (1.70GHz 1600MHz 3MB)? [closed]

I know that they are different models and that make the comparison a little tricky, but I'm asking about an overall performance evaluation. Notice the diff at CPU clock, 1.7 vs 2.6
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0answers
11 views

Fastest Memory (within reason) for a MotherBoard [closed]

I was wondering if it would be OK to use DDR3 3000 memory with Asus Maximus VI Impact MotherBoard, Intel® Core™ i3-4130T Processor and Steamcom's FC8 case The purpose of this machine is for a HTPC ...
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0answers
21 views

Error 5A - Internal CPU Error

So I built myself a pc for the first time. The machine has been running properly, and without issue, since March of this year. Today after an hour or so of gaming the machine shutdown without ...
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0answers
26 views

Bigger cache size or more cores? [duplicate]

I know that there is similar question here. Reasons I post it again is because that question is quite old, so I hope so that I'll be able to get more info. Also, three years is really long period for ...
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1answer
55 views

What is the CPU microcode?

Today after unpacking the initramfs file from my Linux /boot directory I found that it contains the GenuineIntel.bin file, and that that file is an image of what is called the CPU microcode. Then I ...
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14answers
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Why are they putting “processors” on hard drives?

What does it mean when hard drives have a processor on the hard drive? How does it work, and what benefit does it have? I don't understand - the CPU on the computer is the processor and the hard ...
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3answers
70 views

Operation System Clone from a Motherboard to Another [closed]

Lately we had an idea with my Family of building a Super Computer from Scratch. So while we were planning on building our setup, one idea came to my head that it seems possible but i want also your ...
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1answer
26 views

HP Elitebook 8530p's CPU Increases to 100% when Plugged In

I apologize if this post is too long or doesn't describe the issue properly. I have absolutely no idea why it is doing this, apparently it is a problem with HP computers or a particular strand of them ...
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0answers
36 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 ...
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1answer
50 views

What is the different between a CPU with or without the GPU?

This may be a dumb question. But this is definitely a quick n easy question for those who know it :) When I choose to buy a CPU with No GPU, such as some of the Intel Xeon CPUs, what should I bear in ...
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1answer
27 views

How to identify hardware performance bottleneck in laptop?

Is there any tool that helps to determine the weakest link of my current laptop hardware specification? Any online guide to help me choose nice balanced configuration for the new laptop? I need to ...
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2answers
18 views

Do I need new thermal pads?

I have an ASUS G51VX that I've had for about 5 years and it ran fine, except when watching HD videos; then it had a tendency to overheat and turn off. I took the heat sync off to apply some Arctic ...
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2answers
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Since each CPU's core can process one or two threads at once, how OS stills stable even if there are multiple threads running?

To explain more, suppose we have a dual core CPU without hyper threading, that means it can process 2 threads at once only, well, now suppose we have a network application that is running two ...
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1answer
23 views

“Not responding” error while CPU and Memory are free

Sometimes, while CPU and Physical memory are free, some program's status change to Not responding! Why?! For example as you see below, 80% of CPU and 25% of RAM are free! but VMware went to Not ...
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13answers
10k views

Why doesn't “add more cores” face the same physical limitations as “make the CPU faster”?

In 2014, I hear a lot of programming languages touted for their concurrency features. Concurrency is said to be crucial for performance gains. In making this statement, many people point back to a ...
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1answer
44 views

Choosing PC components for high performance calculations

What is the best practice to choose the components of the PC targeted at some "heavy" calculations? In particular, one might expect some compilers to be optimized for some CPUs better than anothers; ...
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0answers
31 views

Not sure if it's my motherboard or CPU. Some insight?

I am worried that buying a new CPU may fry it if motherboard has problems. When I power on with the CPU I suspect doesn't work, there are no beeping sounds but the fans speed. There are no LED ...
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1answer
21 views

The motherboard “GA-945GM-S2” is compatible with processor “Dual Core E2200”?

I have a Intel® Pentium® Processor E2200 processor. I have discovered that my motherboard is faulty. I found the GA-945GM-S2, but I do not know if it supports my processor. I need to know if it is ...
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1answer
22 views

Cores and threads - Performance

I wonder if a 4 core/8 thread cpu will perform better than a 4 core/4 thread cpu. If the answer is yes; How much better will a 4/8 perform? EDIT: What if its for running 4 single threaded apps? And ...
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28 views

Video Games all run 60fps and above but randomly drop 20fps

So when I play video games on my PC, they all run at 60fps or higher but randomly throughout all my games it will drop to 25fps and lower. I know it can't be the game because it happens in all my ...
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1answer
50 views

Can RAM with significantly lowered temperature still be accessed normally?

If I significantly lower the temperature of RAM using those dust cleaners (I'm following the method outlined in this paper: ...
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0answers
46 views

Switching between integrated and discrete graphics on alienware 14?

I recently received a new alienware 14 in the mail and was having some issues switching between integrated and discrete graphics. When I used the inbuilt benchmark tests in Just Cause 2 i pulled in a ...
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0answers
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How is the burned BIOS/firmware code executed from the CPU? [closed]

Let's use simple Intel and "generic PC" memory-mapping/engineered boards to get the gist of this. BIOS/firmware is hardwired to a certain address; an address from which is immediately ...
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0answers
18 views

How to control cpu speed through windows?

Linux has some awesome apps, one of them is the app which allows you to control speed (mHz) at which your cpu is able to operate. Is there something similar for windows 8.1?
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1answer
84 views

PC randomly freezes with weird patterns / artifacts on screen

I just got a new PC (which I assembled myself) having a Core i5 4670K and a Gigabyte Z97MX-Gaming 5 motherboard. I use the Intel HD graphic 4600 as the GPU. I am experiencing weird PC freezes which ...
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2answers
28 views

How to correlate CPU benchmarks to overall computer performance? [closed]

I am in the market for a new PC, and I know I can look up the CPU model name to see which one performs better in a benchmark test. However, how do I translate this into PC performance? What sort of ...
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Process tree CPU history usage, process tree memory usage (aggregated) on Windows 8.1

This question is general for Windows OS, but I would like to see a software for Windows 8.1, since this is what I use. I'm looking for software, that will take a process tree (e.g. Chrome.exe ...
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0answers
30 views

Processor wrong using Memtest86

I am running MemTest86 4.2 on a Mac Pro that has ubuntu installed on it. The /proc/cpuinfo file tells me it has two Intel Xeon X5550 installed as I expected. MemTest86 has Intel Core i7 2660Mhz in the ...
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1answer
24 views

Picking the right ram [duplicate]

I informed myself of picking the right ram, but there are still questions. I am currently running a AMD Phenom II x4 965 (Black Edition) on an ASUS M4A87TD EVO. I'm planning to switch my core as soon ...
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1answer
143 views

CPU is busy after installation of Geforce graphic driver 340.52 (NvNetworkService.exe= 12 % of cpu)

CPU is busy after installation of nvidia Geforce graphic driver 340.52 (NvNetworkService.exe= 12 % of cpu) Any body knows why? I have Dell XPS L502x laptop. This problem occurred just after ...
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0answers
19 views

Clock vs Cache in Gaming

I'm curious, I have two processors laying around that I won't name due to the rules of this site, however, one of them is Quad-Core, with a 12MB L2 cache and a clock speed of 2.67GHz. The other is ...
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1answer
38 views

CPU usage drops dramatically

I am using an engineering software to conduct series of computationally demanding analyses. I have a relatively powerful desktop with the following specs: CPU: Intel core i7 3930k @ 3.2GHz RAM: 64 GB ...
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1answer
84 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 ...
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2answers
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Best factor for determining the bettering of CPU

First of all, if my English is not good please pardon me. Now the problem; when comparing many CPUs with each other, which factor is the best one? For example, there are many various types, like, ...
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1answer
70 views

CPU power more than motherboard support wattage

I have a hardware question. I'm trying to build a shuttle computer . The power specs on page 4 says it can handle only max 65 watt processor. Every processor I'm looking at is over that wattage. ...
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2answers
40 views

Computer doesn't start after installing new Corsair DDR2 RAM

I have a new memory stick (CORSAIR 2 GB of RAM) and I have an older set of 2 sticks of RAM that are 512MB and 256 MB. (I bought it 1GB actually but the Computer tells that it has 256MB of RAM only). ...
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1answer
33 views

DELL Inspiron lapton has CPU failure. What can I do?

My DELL Inspiron isn't starting at all. When I power on it beeps 7 times and I know this means CPU failure. What can cause CPU failure? Is necessary to buy another CPU? Can CPU failure cause high ...
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1answer
37 views

Laptop “thinks” it's overheating, shuts down itself

Short version: When I turn on the laptop fans go full speed even though the the laptop is ice cold. After about 20 seconds it shuts down itself which I guess it's "thinking" CPU is overheating. Long ...