Questions tagged [operating-systems]

The software layer between your hardware and application programs. It manages program scheduling, memory allocation, interrupt handling, disk input/output, graphic acceleration, hosting device drivers and various other resources.

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Cannot update OS due to disk storage space limitations

I need to update to the latest version of Windows 10 but cannot do this due to limited space on my C: drive. It says I need to free up at least 6GB before I can install (and install the new stuff on a ...
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Possibly bricked PC after overclocking and frequency change

I helped my friend configure some settings on his BIOS from his custom build PC he made not too long ago, what we did was change the frequency of the RAM, which wasn't too large, and was good as my ...
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Trying to boot from a windows installation USB and I get a multi-coloured screen

I have been trying to replace my ubuntu OS with windows. I have created a bootable windows installation usb. At first, I created the disk using windows creation media tool on a windows system and I ...
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Save state of ubuntu when switching to windows

I have a pc that runs ubuntu and windows and occasionally I have to switch to windows since things aren't always compatible with ubuntu. Therefore, I must close all open applications and open windows. ...
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How can I absolutely and completely ban Windows 10 updates? [duplicate]

I know how to pause update to a certain date. But I want to completely ban updates. Whenever I update Windows, all sorts of problems happen. Sound stops working, microphone stops working, 2nd monitor ...
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Is it harmful constantly switching back and forth between Operating Systems?

I have heard of a few interesting operating systems a while ago, and I wanted to install them on my small PC to experiment with them, but i'm worried about possible side effects, if there are even any....
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Can I format a USB drive using a laptop as a technician PC and having my desktop as my destination PC?

I was told that formatting a USB drive with a laptop would make the format not match the desktop and that it wouldn't work. The reason I'm doing this is because I just bought a new PC I have to build. ...
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Why my pc doesn't display the boot menu to choose an OS when I start the pc? [duplicate]

I originally had a Windows OS and I wanted to also have a Linux OS. So I added Ubuntu in dual boot with Windows. However, when I start my pc, it doesn't display the boot menu and goes on the Windows ...
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Hibernate or save before switch between OSs

I have multiple OS, Windows and Linux via multi-boot (windows boot-loader), but every time I want to switch between them I must shutdown one OS to boot up other one, has there any way to hibernate or ...
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System process CPU load (probably APCI related issue)

I'm struggling at system process using 100% of a logical CPU. Using ProcessExplorer and looking at threads details of System process, ACPI.sys+0x269b0 is fully using a logical CPU: Process explorer ...
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Ubuntu Keyboard/Mouse Input ~Sometimes~ Freezes on Lock Screen

My recently-installed Dual-Boot Ubuntu / Windows Dell Inspiron laptop sometimes freezes the keyboard input / mouse on the lock screen. BUT The funny part: it's not really frozen. I can still change ...
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Transferred old SSD with OS to new laptop w/o clean install. Battery drains indredibly quickly

So one of the main selling points of the laptop I just bought last week (Dell xps 13 9300) was its long battery life, allegedly 8hr on heavy use, or 13 hours light use, according to most benchmarks I ...
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Downgrade Compaq (HP) Presario CQ58-150 SI to Windows 7 Starter from 8.1

My cousin has Compaq (HP) Presario CQ58-150 SI currently with Windows 8.1. But Original OS was Windows 7 starter version with a license. He had no idea when his friend installed Windows 8.1 and now he ...
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Access and password management on Mac OS

is it possible to perform user authentication management with passwords in access control on a Mac computer with a recent Mac OS operating system? Require users passwords with a minimum length of 12 ...
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Running Windows 7 64 bit, Windows 7 32 bit and Ubuntu Linux together

I had a Desktop PC with Intel x86 i5-3330 64 bit processor along with Windows 7 32 bit and Ubuntu Linux 14.04 64 bit together on the same Hard Disk Drive with dual boot with GRUB as the bootloader, ...
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Install linux on mac

Can I install linux system like ubuntu in mac book. I'm planning to buy a mac, and I don not want to give up the linux. And if so, is there important flaw to install linux as os in mac, or try to ...
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Downloading on Virtual Machines

Let's say I am using Linux and I have Windows virtual machine. Is it possible to download a Windows only program and run it? If yes, will the data of it stay in the machine after I close the machine? ...
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If I upgrade macOS from 10.15.6 to latest beta version of MAC 11 Big Sur, will all settings persist after upgrade

I have macOS 10.15.6, would like to upgrade to new macOS beta version MAC 11 Big Sur I have some important data and applications that I can't uninstall so, will all setting persist after upgrade?
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Window installation issue on boot

I have problem to install windows using USB. Initially I tried to install usb it went install step, so in partition allocation page I formated System library director (C Drive) and it show disk former ...
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How to fix the following partition layout to achieve what I want

After experimentation and installing & removing different OSs my partition table looks like> enter image description here I want to completely reinstall windows, with there being no association ...
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How to remove operating systems and bios starting screen to restore hardware to when it was bought

I have installed loads of different operating systems (windows, manjaro, artix, popos, 2 ubuntu systems) on the same computer for trying different things out and I'm not exactly sure where everything ...
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systemd keeps restarting user session after reboot

Today i recognized running services on my machine of users which are disabled in the companys ldap. After killing those services the weren't there anymore as i would expect it. After i did reboot my ...
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Better Windows mouse sensitivity multiplier control?

(I know this question has been posted before; I reposted a more detailed explanation on the situation because the previous question isn't answered and has over 6k views.) The mouse speed Windows ...
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Separate pppoe session for each user windows, is it possible?

There are windows, 3 users work in it at the same time, how to make a separate connection for each user? The problem is that when one user connects, the rest automatically join this network, but need ...
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221 views

Reboot and select proper boot device?

So i was working on a project in Indesign when I suddenly encountered some problem with some graphics in indesign. After a few seconds, the computer got a message ( The Blue Screen of Death ) where ...
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Operating system not found and I can't access the BIOS

Trying to fix an old laptop just for some experience. The operating system is not found and I cannot get into the BIOS. Any help on how to fix this would be great. Thanks. Click to open image. Click ...
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I cant understand what is causing my computer lag when nothing is running

To try and describe what is happening, I have disabled all startup items that task manager brings up and have rebooted my pc. Like the picture shows every half second it bounces from 19% GPU usage to ...
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Can't run Ubuntu from external SSD: “Error loading operating system”

So, I'm trying to run Ubuntu on SanDisk Extreme SSD (external/USB). When I try to format it on Windows, I have only 2 options: NTFS or exFAT. So I chose exFAT. Then I went: 1) booted PC by another ...
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How to write my booting file in to a master boot record of an .img file?

I have been trying to develop a simple operating system called JOSH. But it is designed to boot from a floppy disk drive. Since I don't have access to a floppy disk, I've been looking for an ...
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CentOS 8 Minimal Install on VirtualBox - Cannot Run Installer

I pulled down the ISO from an accredited mirror on the CentOS site. I verified the SHA256 hash, and I attached the ISO to a VirtualBox VM (Host-Only and Nat Network, 2 NICs; 1CPU, 1GB RAM, 8GB VDI). ...
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Is it possible to boot a floppy disk driven operating system using a usb device

I am very enthusiast about operating systems and I am following a course related. So as a project I was assigned to implement a simple operating system. They provided me the simple operating system ...
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Instaling Ubuntu on KingStone DataTraveler 32GB doesn't work properly, why?

I have two of USB flash drives mentioned in title, brand new (~10 days). They support USB 2.0, 3.0, 3.1 I know how to install and boot different Linux distros from USB drives but this one gives me ...
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Install other OS than DSM on Synology DiskStation DS16SE — possible?

The DS216SE will eventually reach its end of support. [EDIT: it is not as soon as triggered this question originally,* but that only postpones the issue. Also I'd prefer a less restricted access.] Are ...
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1answer
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Do Operating Systems need to know which is the hardware architecture on which they are executing?

Maybe this is a basic theoric question, but I have no idea of the answer and haven't found information of this. Do Operating Systems (imagine Windows or Linux distros) need to know if they are ...
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Clone Windows 8 to Windows 10 - don't want 8 OS

I work from home & have many programs/apps on Computer A (OS Windows 8). Have new Computer B (OS Windows 10) with more storage and better processor. I will have to use Windows 10 for a new ...
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BIOS Legacy booting machine + GPT 4TB external HDD

I have a very old machine (laptop) which I confirmed it's booting mode is BIOS Legacy. I have built in HDD in my laptop which is MBR partitioned. I have previously installed ubuntu (continuously ...
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Who gives permission to installing kernel-level software?

Recently there's been some discussion about anti-cheats in video games that run at kernel level in the users' computers to ensure no cheating software is being run. My question is: "who" in ...
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Problems with repair /dev/disk0 (internal, physical). Invalid request (-69886)

How can I fix the error 69886. Also i got the error 22 in this context. Check the image at this post for the terminal screenshot.
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Dual boot installation

I recently bought Lenovo L340 with 1TB HDD + 256GB SSD with windows 10 home pre-installed on SSD. I wanted to install Linux Kali alongside it and was wondering if it'd be okay to install Linux on SSD ...
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Speeding up Virtualbox boot time

I am looking for tips and tricks to speed up the boot time of VirtualBox VMs. By "boot time", I mean the elapsed time between starting the VM and having a login window/prompt, so it covers ...
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Is there a simple way to stop execution of code from both local VM's, every device on local subnet, and hardware components on local machine?

I was wondering if it were possible to simply limit all code execution on Windows 10 to just currently logged on console user without anything other then whats necessary for Windows to boot and apps ...
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Mac Log Files from Browser Post

Does Mac store a record of files sent through a POST function in a browser, such as form fields, attached files, etc? I've checked Chrome and system logs and cache, but I'm not seeing anything ...
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compile xcode to the mac osx terminal

Please help me to fix this case. Check the attached image at this post. Kind Regards
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Converting Bootable CD image in Hybrid bootable image

I didn't know how to title this post since neither do I know what the problem is. I generate a .iso file with genisoimage containing my hobby OS. Testing this file with qemu -cdrom file.iso works fine ...
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Original OS install date is June but software install date in March, How's this possible?

I checked someone's brand new laptop which had an OS install date of June, while some software shows the installation date as March. How's this possible? Folders inside C:/users/<username> also ...
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Open Windows 'Run' dialog using a command and Remember position on screen?

There's a good command here to open Windows 'Run' dialog: Open Run... dialog from command I wish a little bit more customised, that is how to set the position of the Run dialog, or how to make the ...
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How to install Windows Drivers properly?

Recently I ran into a problem of blue screen of death(bsod) in windows and it seems like it may have occurred for driver problem. I am reinstalling my windows and want to follow proper way to install ...
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How to make a Windows Remote Desktop session sticky to just my computer only

My team members are using the same username on Windows server to make Remote Desktop connections (RDP). Although we have multiple sessions (changed using gpedit.msc), others may get into my previous ...
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Why am I gettting errors when trying to install Windows Server 2012 R2 onto Dell PowerEdge R510?

I have a new Dell PowerEdge R510 rack server that I am trying to install Windows Server 2012 R2 onto. The machine has all 12 slots filled with 3TB hard drives. I've created 2 virtual disks: Disk 0/ ...
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I am using a monitor to my notebook, but have problems [closed]

I am using a monitor to my notebook, but have problems, when I am using a extern monitor for my notebook the OS is often slow, why?

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