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

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PC won't start at all. 1 Beep at power on but nothing happens.

my PC won't start at all. The fans (CPU and Case) try to run, the mobo gives one short beep but then it turns off. It's a brand new PSU and brand new motherboard! I've recorded it since it's easier ...
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1answer
19 views

Black screen after CPU upgrade

So iǘe been wondering around for an answer to my problem but nothing quite fits. I have a good 'ol HPg62 and I upgraded the CPU from the factory P6000 to a core i5 that I have salvaged from a asus ...
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3answers
46 views

Difference between laptop and tablet processors?

From what I have gathered, it appears to me that laptop CPUs (in particular, made by Intel) are less powerful than their corresponding desktop CPU counterpart (e.g. Intel Core i5 for a laptop is less ...
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1answer
9 views

The main difference between Superscalar and Parallelism

In superscalar processing, more than one instruction is executed in parallel at each core, so how would that differ from parallel processing then? Thank you.
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17 views

in chosing CPU : l2 cache vs clock speed..?

If the other factors are the same , which is more important the amount of L2 cache or cpu clock speed .. for example 1.6 GHz 2 MB vs 2.3GHz 1MB .. Which is better in : 1- MS office 2- surfing the ...
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23 views

How are super computers built? [on hold]

I only know about assembling a computer from individual parts like motherboard, cpu, ram, graphics card etc., I heard there are supercomputers(SC) containing hundreds of processors working together ...
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44 views

Can a 64-bit OS be loaded on a 64-bit processor when the EFI is 32-bit?

I'm struggling to get a Chromebook loaded with a new OS. The Chromebook is a Toshiba CB35-B3330, and it has a 64-bit Intel Celeron N2840. I'm struggling because I can't get any useful information on ...
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0answers
37 views

Socket LGA 1151 compatibility with CORSAIR Hydro Series H50 water cooler [on hold]

I'm building a new PC and wanted to check the compatibility of some parts. The PC will be using a LGA1151 motherboard: http://www.newegg.com/Product/Product.aspx?item=N82E16813128869 And Skylake ...
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1answer
19 views

How can I estimate the time it takes a certain computer to guess a password?

As cyber security and its exploitation become more prominent and relevant, I find websites such as https://howsecureismypassword.net/ to be very interesting. When the user enters a password, it ...
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0answers
18 views

System suddenly going into continuous/infinite restart/reboot loop without even POST with clicking noise from PSU

I'm new here and desperately in need of help. My Dell Inspiron One 2330 was working perfectly till yesterday night. Today morning when I tried to turn it on, it went into a continuous restart loop ...
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14 views

Register allocation tables overwrite

Reading about the Xeon processor: the Xeon has two register allocation tables (RATs), each of which handles the mapping of one logical processor's eight architectural integer registers and eight ...
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0answers
8 views

Java Processes on second identical server is taking up twice as much cpu time

I have two servers with the same exact configuration. Both servers are running a java process that are running the same code base. JVM arguments are the same Java System properties are the same ...
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1answer
27 views

Is it possible to run a 2GB RAM on Asrock G31M-VS?

I just want to know if I can stick another 2GB RAM on my Computer. System Hardware: Motherboard: ASRock G31M-VS (FSB1333 DDR2 800 Dual Channel). CPU: Pentium Dual-Core 2.5GHz. RAM: DDR2 800 Memory: ...
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0answers
29 views

which cpu is better N3050 or N2840 [closed]

I want to get a new cheap laptop for surfing internet and MS office and play videos .. I want to chose between 2 models Lenovo G50-30 with celeron N2840 cpu and Lenovo B51-30 with Celeron N3050 .. All ...
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0answers
12 views

What does this XML block for CPU do?

I'm having trouble getting a CPU configured. The problem CPU configuration is shown below. However, I have a good configuration and I am trying to understand what it does so I can add pieces of it to ...
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28 views

Intel PCM ( Performance Counter Monitor ) - Low hit rate for LLC

I am having Intel Xeon D-1520 CPU I tried to run Intel PCM to get the the L3 cache miss and hit ratio. L3MISS: L3 cache misses L3HIT : L3 cache hit ratio (0.00-1.00) Core (SKT) | EXEC | IPC | ...
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0answers
40 views

FPS drops when playing video in background

I am trying to understand why I experience FPS drops in demanding games when a video is playing in background and how to fix it. My particular setup (see the specs at the bottom): two monitors in ...
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4answers
21 views

How do I check what is spiking the CPU while the computer is idle

My Windows 10 laptop with an i7 and 16 GB of RAM often gets the fans going full speed when I am not using it. It is a bit slow to respond sometimes when I try to wake it up to check what is going on. ...
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0answers
12 views

CPU usage of DELL Latitude E6410 is increasing after a period to 100%

I have DELL Latitude E6410. I have the problem since 5 months that the CPU works to the full capacity (100%) if I just use Firefox with pair of tabs and watching something at youtube then the CPU is ...
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0answers
54 views

How serious is bug in i7-6700K CPU?

I'm considering new machine for my application development (Visual Studio, C++, paralel builds with Incredibuild). I wanted to purchase Intel i7-6700K to my machine. But I'm not sure now because of ...
0
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1answer
28 views

Trying to figure out if my processor supported RAM I just brought [duplicate]

I just brought G. Skill RipJaws and this is my first time buying RAM to update my computer. When it arrived today it said on the package it was compatible with Intel Core i7, Core i5, Core i3 and ...
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upgrading cpu pavilion dv6-6135dx [closed]

I have notebook pavilion dv6-6135dx and I want to upgrade my cpu amd a8-3500m with 1.5ghz to AMD A8-3550MX with 2ghz I have searched alot they says it is compatible. I am wondering if there any thing ...
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1answer
18 views

Why is CPUMark rating relatively the same for the Intel 2955U compared to newer Intel Braswell chips such as N3150?

In terms of processing power only (ignoring GPU performance), why is the CPUMark performance of the Celeron 2955U (2-core, 1.4GHz) relatively close to the Celeron N3150 (4-core, 1.6GHz)? Intel ...
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1answer
40 views

Why is current CPU frequency read-only for root?

I have a program that provides benchmarks, but its OS agnostic and does not know how to read CPU frequencies. The test program is driven through a script. If I provide the CPU frequency, then the ...
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19 views

What is the difference between Server and Embedded Intel server processors

I am in the process of building a server that will run SQL Server 2012 and was looking for a processor. While doing my research I have found Intel processors on their page being grouped in two ...
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34 views

Which saves more power, core parking or clock down-throttling?

Sometimes I leave my computer turned on for long periods while not really using it (to seed files over torrent, for instance). My CPU is an AMD FX-6350 cpu (6 cores, 3.9 GHz) which is kind of ...
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1answer
29 views

How do I evaluate 2 different hardware specs for an application?

I have a single-threaded, CPU-bound application that's currently running on a multi-core Windows machine (32-way 2.1GHz Pentium Pro/II/III). It's stuck at 100% of one of the "cores", which equates to ...
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2answers
33 views

On device manager it says have 4 of the same 2.40 ghz processors so do i have 9.40 ghz

When I go to device manager to check my processor speed there are 4 the same exact processors shown is this a quad core and does the speed add up?
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25 views

How to display CPU and GPU fan speed percentage (instead of RPM) during gaming?

I use MSI Afterburner, RivaTuner and HWiNFO to (on screen) display CPU & GPU temperatures during gaming, but these softwares are not able to display the fan speeds in percentage. They only show ...
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1answer
20 views

Using modern AMD chips with Vmware and Virtualbox

Looking to build a cheap PC and then install VMWare workstation and Virtualbox to create some operating system virtual machines. Do all modern chips work with VMware and Virtualbox, or do they need ...
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1answer
43 views

Does the chipset also determines installablility of 32bit OS or 64bit OS?

I have Fujitsu Lifebook A6025 with Pentium T2130 and Intel® 945GM/ ICH7-M chipset according to the spec. I want to upgrade the CPU to Intel Core 2 Duo Mobile T7400(Socket M) CPU. The T2130 CPU ...
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24 views

Stuck at “Loading operating system…”

Today I got out an old PC from about 2011, running a Sandy Bridge i3. It had no ram or HDD in it, so I threw 4GB and a HDD in and attempted to install Ubuntu. After making sure the BIOS settings were ...
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21 views

CPU or Graphics card defect?

From time to time my computer dies while in usage. The screen either turns completly white, black or shows thin vertical stripes in two colors. I then have to kill it with the power button. When I ...
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2answers
403 views

486 computer does not POST

I have some trouble trying to POST a old Intel 486 DX motherboard. If i power up the board , the CPU becomes hot quickly and it doesn't make any beep noise, but only background noise (even without RAM ...
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1answer
38 views

CPU Over voltage error after updating BIOS

I have a problem with my motherboard. I updated the BIOS on my Asus P8P67-M to the latest version(3703) after this when rebooting my computer I was shown a message telling me that there is a CPU Over ...
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0answers
11 views

Linux laptop freezes sometimes

I have a fanless laptop (Acer TM B115M — Intel Pentium N3520 Quad-core 2.17 GHz, 4 GB RAM), and under Gnome and KDE, it sometime freezes. I tried a number of distros and it still freezes. It doesn't ...
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2answers
56 views

turbo c++ is not showing fine calculation on my computer

there is anybody for helping, i have a hp laptop pavilion 4 with 3gb ram and dual core processor, initially turbo c++(compiler of c)'s curly braces was not working in my laptop but when i have ...
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1answer
21 views

Can I put my 8x plug in a 4x slot (CPU powering)

Is that okay or will that damage my hardware? Because I just got a new power supply (corsair vs650) with a 8x plug but my motherboard (h81m-plus) only has a 4x plug Is this fine or am I out of ...
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1answer
34 views

Startup Processors

So, my friend told me that going to msconfig and checking the multiple processors button and putting the processors to 4 (my processor is quad core) will make my pc run faster and make my games have ...
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1answer
25 views

Processor Upgrade in Laptop Possible? [duplicate]

I have HP Pavilion 15-AB031tx Laptop, which has Intel I5 5200U 5th Generation Processor, Is it possible to upgrade 5th Generation to 6th Generation?
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1answer
28 views

CPU Fan direction Cooler Master K280, GA-990FXA-UD3, AMD FX-8320, Cooler Master T4 Heatsink

I'm building my first computer, and this is what I have: Case: Cooler Master K280 Motherboard: Gigabyte GA-990FXA-UD3 R5 CPU: AMD FX-8320 8-core Heatsink: Cooler Master T4 Hyper Extra fan: ...
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0answers
21 views

Lowering the thermal throttling point on an Intel CPU

I have a laptop with the Intel i7 4700MQ processor, which I sometimes use for BOINC computing. However, in Intel XTU, I've noticed temperatures of over 80 °C for sustained periods. This temperature is ...
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1answer
28 views

HP Dv6000 Overheating Issue?

I have been using a HP dv6000 laptop for quite some time (months if not years), without any problems. I recently purchased a replacement fan for the motherboard, because the bearings in the existing ...
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2answers
49 views

Is it true that embedded graphics cards reduce the CPU's performance?

Consider the Intel HD Graphics. The video card resides inside the cpu die and uses ordinary system RAM. Therefore, it uses up Front Side Bus and Northbridge bandwidth. Therefore, accessing the main ...
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28 views

I have troubles with my desktop pc

SPECS PC: CPU: Intel Core i5-3470 3.2Ghz Box - BX80637|53470 RAM1: Kingston HyperX Blu Red DDR3 1600 PC3-12800 4GB CL10 (broken) RAM2: Kingston HyperX Fury Blue DDR3 1600MHz PC3-12800 4GB CL10 ...
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1answer
26 views

AMD Phenom II X4 965 stuck at 800Mhz on GA-78LMT-USB3 Rev5 motherboard

I am on firmware "FA", which is the latest and only one available for this motherboard. My CPU is listed on the list of compatible processors. There is very little load on my system. I have a good ...
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3answers
80 views

Asus Z170-A No POST

My recently build system mainly contains the following components: Mainboard: ASUS Z170-A Processor: Intel I5-6600 PSU: BeQuiet S6 550W (Until now I have been using the same PSU with a Gigabyte ...
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0answers
42 views

CPU and Memory Running Well Below Set Clock Speed

The last time I used my PC was December 30th, and it worked perfectly. I turned it off, went out of town for a week, and when I returned, I turned it on to discover that my CPU and memory were running ...
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0answers
13 views

1600mhz ram compatibility with 1333mhz ram and CPU supporting 1333mhz max [duplicate]

I want to upgrade RAM in my PC. My motherboard is Gigabyte P55-UD3L. My CPU is Intel core i5-760. The only RAM that is both compatible with my motherboard (as the RAM manufacturer website says) and ...
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45 views

What memory do I need for my new CPU?

I upgraded my CPU, and it will only run with one of my three different memory sticks. The previous CPU ran with (and loaded) all three sticks. So I guess I have to buy some new sticks(?), however - ...