All Questions
670
questions
0
votes
0
answers
27
views
Why is Task Manager showing more than 100% CPU Usage? What does it mean?
I have a weird issue. This is the second time that I'm encountering this over the last 2-3 months.
My CPU Usage is constantly running between 120% and 200%... How? How is this possible? What does it ...
- 107
0
votes
0
answers
36
views
my pc has become slow, it just gotten slower on its own
These are my computer's specs:
Intel core i5 3570
GT 710 DDR3
8GB ram
It may not be powerful by modern standards, but it can play some games , like Minecraft, kinda good. My pc can run it over ...
- 11
0
votes
0
answers
28
views
Detect the origin for my computer's problems, probably hardware-related
In the past couple of weeks my computer shows more and more problems. I think it might be a hardware problem, since most of my setup is 13 years old and it worked before with the same OS. However, I ...
- 101
0
votes
1
answer
34
views
Why does dmidecode return a higher number of banks than the number of memory channels supported by the CPU?
According to the wiki, a bank refers to the secondary structure of a DRAM chip, which is different from the bank mentioned in the dmidecode command. I am wondering what the relationship is between ...
- 103
1
vote
1
answer
75
views
Software on Windows crashing/OOMing with RAM well below 100%
I have a Lenovo ThinkPad X1 Carbon (4th gen, 2016), and lately while working I've been noticing Chrome and PyCharm intermittently crashing.
Usually it seems like like a CPU spike or something causes ...
- 381
4
votes
1
answer
331
views
High "System" CPU usage; unaccounted for Memory usage
I fresh reinstalled Windows 11 a couple months back, and for a while now it seems like there's some sort of memory leak (?) that causes high CPU usage by the "System" process, high memory ...
- 41
1
vote
0
answers
120
views
PC won't post with 4 RAM sticks
I have a few question if possible.
I have an old system which has the following components: CPU: i7 6700K, motherboard: Asus H110M2 D3, and a GTX 1060 3GB.
I wanted to upgrade the RAM to 32 GB (since ...
- 11
0
votes
0
answers
72
views
Why is faster pc i5:ram 4, ssd 256, core 4, then laptop i7: ram 16, ssd 500, core 10?
I have such a case and maybe you can help me, what is the reason?
I did a test, reading an excel file (310 MB) in python (pandas).
Laptop(IdeaPad Slim 5 16IRL8): i7, ram 16, ssd 500, core 10, 2.4 ghz, ...
0
votes
0
answers
46
views
Lenovo Thinkpad with Windows 11 System Hangs Frequently
I am using Lenovo Thinkpad P14s since last 2 years and haven't faced any issues. Suddenly I have noticed that there seems to intermittent noticeable hang while working on light weight applications ...
- 143
0
votes
1
answer
385
views
can't fully understand how the RAM modules speed works (related to the hardware limitations)
I'm building my first desktop computer and I've discovered lots of things. Some of them regarding the RAM modules speed:
I've seen that Intel specified in their official stats that the i7-14700K can ...
- 145
0
votes
0
answers
363
views
BIOS Setup is showing Gliches in Half Screen in ASUS TUF F15 2021
My laptop with BIOS Screen with half screen flickering or not visible:
:
BIOS American Megatrends Inc.
BIOS Version: FX506LH. 310
26/11/2021 (Bought on this date)
RAM: DDR4 16 GB
Graphics: NVIDIA ...
0
votes
0
answers
253
views
Computer not booting with single RAM stick. Could Dual Channel be required?
I have just recently ordered new computer parts. In the motherboard and CPU spec, only dual channel are specified. Does that mean my computer may not be able to post and boot normally because I am ...
- 1
1
vote
1
answer
694
views
RAM timing/frequency issues, impossible to enable XMP profile
The problem
My RAM is supposed to run in XMP 2.0 at 1600MHz with the following timings
CAS Latency: 16
RAS to CAS: 18
RAS precharge: 18
tRAS: 38
TRC: 56
As you can see there that's the expected ...
- 41
0
votes
1
answer
3k
views
thousands of errors on memtest86+
I recently started having random BSODs that coincided with a Windows installation that became increasingly unstable.
I upgraded the NVMe and reinstalled Windows from scratch.
BSODs are sadly still ...
- 13
1
vote
1
answer
17k
views
How to change the size of shared system memory In Windows 10?
I recently upgraded my laptop ram from 4gb ddr3 to 16gb ddr3.but my system shared memory is not increased so that i cannot increase my dedicated video ram more than 576mb.anyone help me to solve this ...
- 11
0
votes
0
answers
32
views
CPU and GPU bottlenecking
I am using a hydro-morphdynamic simulation software (BASEMENT) to run river-engineering simulations. Since version 3, BASEMENT is programmed to run on GPU + multi-threaded on CPU (using OpenMP).
I run ...
- 101
0
votes
0
answers
990
views
Understanding Mac OS MPS Warning
Context
Hardware: Mac M1 Mini
Software
% sw_vers
ProductName: macOS
ProductVersion: 13.5
BuildVersion: 22G74
Task at hand: Running a piece of Python Code (a Machine Learning Model)....
user1136218
0
votes
0
answers
81
views
How does interrupt controller deals with PCI, QPI and other buses?
We know that communication between CPU and Notrh Bridge things happens through the PCIe or memory bus. Communication between CPU and South Bridge devices is made through the interconnect interface (...
- 195
0
votes
2
answers
4k
views
Can reverting/resetting BIOS Settings completely erase all your xmp/memory frequency changes right?
I was just wondering if a simple "Reset To Optimized Default" can be really impactful or effective to reverting all the changes you did.
Like for example, you turned on XMP, but then you ...
- 5
0
votes
0
answers
157
views
Are these reportings/stats typically normal for a CPU?
I was checking my cpu temperatures by using HWiNFO and checking if everything is normal. But i came to notice that the minimum of the Core Clock Speed are "798-797.7 mhz or 0.78-0.79 ghz" ...
- 109
1
vote
0
answers
436
views
Why does CPU usage increase fourfold after upgrading PHP on Ubuntu
We have a portal that attracts high traffic. Since ubuntu's 18 has come to the end of its life, we have upgraded the servers running php 7.4 on ubuntu 18. The average load of servers running Ubuntu 18 ...
- 11
-1
votes
2
answers
544
views
my desktop is 16 hours continuously running Would it be ok to do this? [closed]
My work is done from home. For which I have to keep my desktop running for 16 hours. Will there be any problem with my desktop by doing this? I just got a new system
- 25
-2
votes
1
answer
127
views
How does direct memory access improve performance
A wikipedia article about DMA says that the cpu has to be put in a hold state to prevent bus contention since peripherals and cpu share the memory bus, but if the main way dma mechanism improves ...
0
votes
1
answer
34
views
Combining Minimum Requirements_CPU and Memory
I'm in the process of figuring out how to build a VM to use the minimum necessary resources to run what I need it to run and I'm trying to understand how to combine system requirements.
It seems to me ...
- 21
1
vote
0
answers
92
views
Dell G3 15 laptop display and audio static
I have a 2020 model Dell G3 15 gaming laptop. Yesterday, during a Signal call, the laptop display suddenly distorted, and a loud static came from the audio output. I held down the power button to ...
- 165
0
votes
0
answers
96
views
Server slow/freezing, wastes hard drives; tests fine: hardware issue?
I have a personal server I run, and I'm upgrading to new hardware (an entirely new machine). I'm experiencing a number of bizarre happenings that feel like they could only be related to a hardware ...
- 1
0
votes
1
answer
90
views
Server randomly shutsdown and blows fan at full speed with no video output
Specs
Model: HP Z230
CPU: Intel Xeon e3 1230 v3
RAM: 1x8GB DDR3 Non-ECC RAM
GPU: Radeon HD 8570
NIC: Intel 82571 Dual Port NIC
Storage: 1x128GB SATA SSD, 1X1TB 7.2k RPM HDD
The problem
It randomly ...
- 101
0
votes
0
answers
702
views
MemTest86+ shows errors while MemTest86 doesn't?
I bought a new PC that has been crashing in exactly 1 game (fortnite) so I decided to do memory tests. I ran prime95 and memtest64 and there were no errors at all. I ran 3/3 passes of memtest86 and it ...
- 101
2
votes
0
answers
41
views
Custom desktop reboots every 4 seconds
Any help would be so appreciated. My son and I recently put together a desktop from parts. Was working amazing for 3 weeks, then suddenly froze for the very first time. Did a hard shutdown, but when ...
- 279
0
votes
1
answer
58
views
Use of logical address [closed]
Why do CPUs need a virtual address(logical address) to access data from a physical address.
Suppose we have this command:
mov dl,1
Why does the operand of this command use the virtual address of the ...
- 119
0
votes
1
answer
132
views
How to switch between Docker related development and non-Docker related development?
This is a copy of my original question.
On my PC, I have a process "vmmem", eating up to 1.6Gb of RAM, and regularly using my entire CPU usage. After some investigation, based on several ...
- 2,281
-2
votes
1
answer
102
views
CPU and its operations
The 3 operations performed by a CPU are:
Transfer of data between memory and I/O
Logical and Arithmetical functions
Program flow through simple decisions
I dont understand what the 3rd operation is ...
- 107
1
vote
1
answer
12k
views
5 Beep Code on Gigabye B660M DS3H
I am trying to build a pc and it will not POST.
I am getting 5 short beep codes which for AMI should be a CPU failure.
The hardware is as follows:
Gigabyte B660M DS3H DDR4
Intel i3-12100f
Corsair ...
- 131
0
votes
0
answers
14
views
Dell Precision 3630 tower 16 x 2 + 32 x 2 GB RAM Configuration is allowed? [duplicate]
I have a Dell Precision 3630 tower with an Intel i7 8700 processor (Intel C246 chipset). The PC also has NVIDIA P1000 4 GB GPU.
Among the four DIMM slots, two are populated with 16 GB DDR4 2666 MHz ...
- 1
0
votes
1
answer
1k
views
Is 3600MHZ RAM enough or 3200MHZ?
I'm adding 16 GB of RAM for my Windows 11 Desktop . Motherboard is Asus B550M-A
CPU is AMD Ryzen5950.
Per google Ryzen5950 has a base clock speed of 3.4 GHz and a max boost clock speed of 4.9 GHz.
I'm ...
- 433
2
votes
0
answers
964
views
Computer feels laggy running Linux but okay with Windows 10 don't know why?
Processor: AMD A8-6600K APU with Radeon(tm) HD Graphics 3.90 GHz
Installed RAM: 8.00 GB (7.20 GB usable)
System type: 64-bit operating system, x64-based processor
Pen and touch: No pen or touch ...
- 25
6
votes
2
answers
3k
views
Android emulator performance is extremely unstable
First of all, hopefully this is the right place to post this type of question - if it isn't, do let me know.
I have a relatively new PC with 16 GB RAM, 10th Gen Core i3, 4 physical and 4 virtual cores ...
0
votes
1
answer
109
views
Hardware component at fault of BSOD, need help in identifying it
Hey to whoever is reading!
I am facing issues with my PC, it goes BSOD with an "IRQL_NOT_LESS_OR_EQUAL" from time to times.
This happens out of the blue, while idle or playing games, or ...
0
votes
1
answer
189
views
TR 2990X & AsRock X399 TAICHI, RAM not recognized properly
I have the following system configuration:
CPU: AMD Threadripper 2990WX
RAM: 4x8GB + 4x16GB G.Skill Trident Z DDR4-3200 (running at 2933)
Mainboard: Asrock x399 Taichi
SSD: Samsung 970 Evo 500 GB
...
0
votes
1
answer
1k
views
is it possible to access more RAM beyond CPU limit of 64GB considering the motherboard limit is 128GB?
I got a CPU that can access up to 64GB.
The motherboard accepts up to 128GB.
I got 2x 16GB on slots 1 and 3 (same channel).
Now, I want to buy 1x 32GB, it will add up to 64GB and the CPU can access it....
- 865
0
votes
1
answer
376
views
is there a way to know if a CPU process is thrashing?
I see the following line:
PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
20 0 52.2g 39.9g 388 S 1554 63.5 1663:21 MATLAB
on top, for a CPU process I am runinng on a ...
2
votes
2
answers
12k
views
Max CPU Memory MT/s VS MHz
I was looking at the Intel i9 12900k specifications stating that the memory types supported are DDR5 4800 MT/s and DDR4 at 3200 MT/s.
What is that translated to MHz?
And will a CPU with max memory ...
- 189
0
votes
1
answer
709
views
Nexpose consumes 16GB RAM and is slow with 3.3GHz quad core
Nexpose vulnerability scanner was using too much RAM to run locally on my laptop, so I got it a high performance VPS that well exceeds its requirements. The Debian 10 server has 18GB RAM, 3.3GHz CPU ...
- 379
0
votes
0
answers
18
views
Troubleshooting CPU, PSU, MOBO, HW [duplicate]
Have a well aged PC that has started acting up. In short terms:
It has worked fine for about 13 years.
BIOS, Windows 10
Started out with trouble booting.
When pressing the ON button it sometimes ...
- 1
0
votes
1
answer
1k
views
Issue with running two virtual machines using virtualbox
I’ve been trying to run two virtual machines (A linux VM and A Windows VM) using virtual box however whatever second machine I try to run it won’t run. It freezes. I understand that it depends on my ...
0
votes
0
answers
737
views
PC turns on for a split second then turns off
My PC recently stopped working. I turned it on one day and heard a pop then it turned off and when I tried to turn it on it wouldn’t.
I assumed it was the PSU so I changed it but then after trying to ...
1
vote
0
answers
4k
views
Issue with pc giving DRAM/CPU debug lights
I am having an issue with my pc where it wont post and I get CPU and DRAM debug lights. My motherboard is an MSI B450-A PRO MAX.
I have updated the BIOS to the latest version, before doing this update ...
- 64
2
votes
2
answers
2k
views
Can a CPU support more ram, than specified by intel?
I have seen multiple minipc systems online with the i7-8550U CPU, in which the system can be purchased with ram that goes up to 64 GB. On the intel-ark page and wikichip, the CPU is specified with a ...
- 21
1
vote
1
answer
262
views
What determines the "speed" of current-tech motherboards? [2021]
Back a decade or so, I built my PC while in Uni and the basic limiting factor for a motherboard's internal communication was the Front Side Bus speed. Too low a frequency (i.e. data transfer rate) in ...
- 121
0
votes
1
answer
622
views
CPU Limiting & kswapd0 Advice Saught
Through hours of testing, I have found that the nextcloud desktop sync client for ubuntu 20.04 (appimage or ppa) both seem to have a bug to where... if a common nextcloud file sync error occurs , ...
- 317