The process of starting up a computer and loading the operating system.

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Bricked iMac, Overwrote the boot loader. Any options?

I was installing linux on my iMac, and it ended up being a corrupt file. In the process, it happened to somehow overwrite the boot loader on my Mac. So, when I try to start up the boot loader menu by ...
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1answer
16 views

How to get the setup menu on a HP Pavilion 550-170na Desktop PC

This is a new PC and it works ok with the default install of Windows 10 Home edition on a slow disk, but I want to wipe that out and install Win 10 Pro on an SSD instead. But I can't find a way to ...
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0answers
12 views

Imaging Debian + Windows to USB Drive

Essentially I want to have a bootable image of Debian on a USB drive + Windows partition (fat32) on the same drive. I've stuck the fat32 partition in sdb1 (because Windows seems to be oblivious to ...
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3answers
36 views

Boot disk not found - can this be a software issue?

I have an Acer Aspire laptop, and I installed a new SSD. It worked with no issues, at which point I installed Windows 8, and started getting boot messages of media test failure, check cable and No ...
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0answers
29 views

Custom PC Won't Turn On

For some reason my custom PC won't turn on. I've tried everything. When I turn my custom PC on, my fans start working and nothing appears on my monitor. My monitor is hooked up with an HDMI cable. ...
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0answers
27 views

Make bootable flash drive that runs in any OS

Is there a way to make a bootable disk that runs on Mac and other operating systems? I found out that bootable drives not created in Mac will not be able to boot on a Mac. There is a special way of ...
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0answers
28 views

BIOS forcing windows 8.1, can't boot from USB to install Linux

I purchased this mini-pc, Kaser YF751A-W. The hardware is closed, and I see no screws, so I can't go unplugging drives, or changing any switches/jumpers. The manufacturer's website kasercorp.com ...
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0answers
80 views

Did I kill my CPU by cleaning the computer?

I have a computer running Windows 7 which was working fine until I cleaned it. Now I'm getting blue screens and error messages. Running Ubuntu on live disk says the CPU is bad. I was asked to do a ...
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1answer
21 views

Can't boot windows. Is cloning the HD and restoring after a Windows 7 reinstall a good solution

Can't get past the black screen with cursor in Windows 7 when I start my laptop. I've tried many solutions but I think it's not fixable. If I clone this drive and then reinstall windows, will I be ...
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0answers
18 views

No boot no beep

For Some reason my computer doesn't boot/post anymore, even though yesterday it shutdown properly. It turns on, the fans spin and the motherboard lights are lit. But the computer doesn't post and ...
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0answers
19 views

Boot from live usb in safe mode

I wanna install Arch Linux on some old laptop (with 500Mb RAM) and I faced a problem: after pressing Start Arch Linux system goes nowhere and nothing happens. As I guess it can't find any VGA ...
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0answers
21 views

Acer Aspire s7-391 BIOS recovery

Model: Acer Aspire S7-391; 256GB SSD/4GB RAM; OS: Windows 10 Before going dead, the laptop used to randomly display 'no bootable device found' warning while turning it on. But usually it booted up ...
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13 views

Windows boot manager was destroyed after installing Ubuntu 14.04

I tried installing Ubuntu 14.04 in Lenovo G50 which runs on Pentium processor. The system already had Windows 8 (manually installed). I separated 50 GB from a partition and turned off Fast boot and ...
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1answer
11 views

WDS Adding Boot Image and Install Image with no Installation Disk

I am working through a lab dealing with Windows Deployment Service in Windows Server 2012. In order to progress I need to add an Install image and a Boot Image. All documentation I can find, including ...
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1answer
13 views

Cannot Amend Boot Order

I have a HP DC7800 running Windows 7 SP1 and when I restart I am shown a screen with Attempting Boot from USB device and an error with "no such partition", followed by Entering rescue mode and then ...
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2answers
36 views

How can I boot into Ubuntu where grub was removed?

Here's my situation: I installed Ubuntu on my work laptop on a partition before IT implemented whole hard drive encryption via bitlocker. I had to do some quick work when IT announced they were ...
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0answers
15 views

System/Console Beep delayed after (re)booting the system

I have a specific system where, whenenver I try to generate a Beep after a system reboot, it takes between 5 and 20 seconds for the first beep comes through. The System I see this behavior in is an ...
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1answer
24 views

Disable com port until login

Using Windows 7 (64bit). I have an RFID Pad connected to my PC via USB. My issue is that whenever the RFID pad is connected and I start the PC, I get a blue screen of death just after the 'Starting ...
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0answers
18 views

Can rEFInd be forced to replace boot code in a MBR?

Is there a way to force rEFInd to replace the boot code in the MBR before preforming a BIOS boot of the Windows operating system on a Mac computer? I understand that if the first 440 bytes in the MBR ...
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0answers
14 views

Show details on Windows and Ubuntu boot screens?

I want the boot screens (at 640x480 resolution) to show a scrolling list of startup events, along with: "per-event" and "total" progress bars, each with percentages and "number of drivers ...
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4answers
97 views

How Do I Erase A HDD Without An OS?

I tried installing Windows onto my hard drive and it froze on the "Beginning Setup" screen. I've tried almost everything from changing to legacy and safe mode; I've run out of ideas. How do I erase ...
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0answers
23 views

Disable WLAN as kernel boot option?

I have a CubieTruck Plus (CubieBoard5) running Linaro. It has an ethernet port and wifi card. I want to disable unneeded services and reduce power, so I want to stop anything related to wifi and wlan0 ...
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0answers
21 views

after reset windows 8.1 [on hold]

A few days ago, I have reset my laptop (asus a450 which is running windows 8.1). I left it running overnight. When I woke up, it kept going to bios. I even selected the bootable drive, but it coudln't ...
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1answer
33 views

How to span a 24GB SSD and 1TB HDD together on lenovo ideapad y510p - windows 7? [on hold]

I got tired of Windows 10 and boot times from my HDD and decided to downgrade to Windows 7 and install it on my SSD. After doing so, the space was very limiting and I did a lot such as compress OS, ...
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0answers
5 views

Can't do anything after using the repair boot files action from easybcd

So i had both ubuntu and windows installed in dual-boot config. Windows 10 was on my ssd and ubuntu 14.04 on the hdd. One day, the hdd crashed and ubuntu was gone, not a big deal because i got a new ...
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0answers
25 views

Why does my machine not boot?

I think this is a HW issue so maybe I'm in the wrong place, please redirect me in that case. History I have a Lenovo 9142 that has been installed with Ubuntu and running as a developer machine for ...
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1answer
15 views

No boot menu for backbox

I have windows 10 installed on my C: drive which has 202 gb space. When I got my laptop it was mentioned with UEFI. I have a partition of 700 gb for F: drive from which I extracted 20 GB for backbox ...
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0answers
4 views

After finishing kali linux 2 Booting issue dont showing login page

i have install Kali Linux 2 and newly Kali Linux 2016 a few days ago and with this 2 OS i have same problem that is: after copying installation phase and restarting PC when Kali wanna showing me login ...
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0answers
33 views

Can't boot windows installer from dvd or usb

I'm trying to reinstall windows on my Samsung laptop (np350v5c). I downloaded a legal copy of windows 7 from Dreamspark, but after I burn the iso on a DVD or a usb devise (using microsoft's tool) my ...
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0answers
24 views

Reset BIOS Password for Laptop

I have an Acer Aspire laptop and i recently updated the BIOS through Windows 7. I did this in an attempt to reset the BIOS password as I no longer remember it. The problem is that it no longer ...
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0answers
12 views

Sometimes computer hangs at BIOS screen when booting

Sometimes when I turn on my computer it doesn't start, it gets to the screen that says "press del to enter BIOS menu" and then it hangs. I found turning off the computer and unplugging USB devices ...
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0answers
18 views

Unplugged laptop while on disk check. Wont start

I have a Compaq 620 laptop that runs on Windows 10. As a habit, i use this Maintenance software every month to keep my laptop as sharp as it could. The software then wants to reboot the comp for a ...
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1answer
35 views

why USB drive cannot boot from Fedora machine but can from Windows machine?

I have WD Mypassport 500GB USB removable disk. I installed Fedora 20 on it. it works fine when I boot it with my Windows machine but I cannot boot it with my Fedora machine. If I attached it to my ...
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0answers
28 views

Way too many disks in rEFInd?

I'm using rEFInd on my mac that is installed on its own partition. Everything works fine except when I boot into rEFInd (the "EFI Boot" option under the disk selection menu on startup) it shows my OS ...
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votes
0answers
20 views

Can't install Windows 8 in Sony Vaio SVE15129CNS having default UEFI mode shows OPERATING SYSTEM NOT FOUND

I recently installed Win 10 in my sony vaio e series laptop. but now i want to install again win 8 which gives error like OPERATING SYSTEM NOT FOUND in uefi but in lagacy mode it boot but on selecting ...
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0answers
29 views

Linux stuck on boot up, windows bootloader overwritten

Ahoi. I recently installed debian on my windows 10 machine, and have essentially bumloved my entire machine, it seems. I installed Debian using the 8.3.0 DVD Image from the official site, and the ...
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2answers
36 views

My computer boots up during the night

My PC with Windows 10 Pro boots up without me touching it. I always use "On/Off"->"Shut down" to shut down my PC in the evening. Nevertheless, sometimes during the night or the day when I am at work, ...
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0answers
12 views

My PC Boots into a Dutch UEFI Screen Sometimes

Yes, really. Maybe 1 in 4 times when I turn it on, it will boot into its UEFI screen but in Dutch (I think?), with no user input. I can't think of any major hardware changes before this happened. ...
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44 views

Computer just shows “welcome” when turning on [closed]

My computer is old, manufactured in 2002 by Samsung. When I turn on the computer, Korean text appears. I can't understand it. Then, when I press F1, I'm stuck seeing "Welcome" screen from ...
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0answers
34 views

Fix boot sector in unallocated NTFS exteral hard drive

The damage Yesterday evening I accidentally started formatting my external HD (2TB NTFS formatted) and eventually completely removed (I replaced data with 0s) about 70MB. The analysis I ran ...
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19 views

I cant access windows 10 advanced startup

I merged two partitions (one was the windows one), ive done this several times before using Easeus with no issues. This time though windows boots up but stays on the loading screen, showing windows ...
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1answer
21 views

BIOS can not find hard disk in boot priorities

I was installing Linux Kali os 2.0 but have got an error while installing grub, so I was unable to start installed kali os and also second OS, Windows 8.1. Only what was possible was to start live ...
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2answers
40 views

Can USB have two bootable OS'es [duplicate]

Question Can I have two OS'es (e.g. Windows and Linux) installed in one USB stick? Motivation I often need to reinstall different operating systems on different computers. Instead of having to ...
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0answers
24 views

How to set chkdsk to run everytime pc boots? Windows xp [duplicate]

How can I set chkdsk to run everytime pc boots? This articles answers this question, but I can't get it to work. enter link description here -- "Basically if you just want to run chkdsk /f or maybe ...
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0answers
26 views

My Windows 10 pc is stuck in a boot loop

I was trying to connect to someone's server. While I was working on that, my internet stopped working on my PC (it does work on other computers). I tried using System Restore to back the system up to ...
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0answers
45 views

Windows 10 100% disk usage on startup and whenever opening Windows/Microsoft Native Apps

Since earlier this week, my laptop becomes unresponsive when logging into windows. Disk C: is always at 100%. Windows will only be usable and lag free after around 15 mins. Open Resource Monitor shows ...
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2answers
28 views

UEFI firmware not recgonising GPT partition table

The UEFI firmware of my ASRock FM2A75 Pro4, fails to recognise the GPT partition tables of my SATA harddisks, as shown by the map EFI shell command: Device mapping table fs0 :Removable HardDisk ...
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0answers
27 views

Metro Boot Manager - Boot between two Windows 8.1 without restarting

I have installed two Windows 8.1 os and Debian on my Device. I use Grub2 EFI to boot between Debian and Windows. After choosing Windows via Grub menu The Metro Boot manager appears. I have ...
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7 views

How to add booting parameters to the kernel with bcfg from the EFI shell?

efibootmgr is creating invalid entries in the EFI boot menu. For instance efibootmgr -c -d /dev/sdX -p Y -l /EFI/refind/refind_x64.efi -L "rEFInd Boot Manager" adds an unbootable japanese characters ...
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2answers
24 views

Troubleshooting slow boot due to network devices

I'm trying to troubleshoot boot times for a relatively modern machine with a SSD. The machine runs Ubuntu Server 14.04.3 LTS and it has two ethernet ports. Network Manager is not installed. All device ...