Computer Won't Boot
Nov 29, 2015
Recently upgraded to Windows 10. Everything seemed to go well. It was working fine I restarted a couple times and it all went well . I shut the computer down for about 20 minutes and when I tried to restart it I get nothing on the monitor. I can hear the hard drive start but monitor doesn't come on unless I hit the power button on the monitor and even when I do it just comes on for a few seconds and it is blank and it says monitor is going to sleep and shuts off again and if I hit the power button again it will just repeat the cycle.
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Aug 29, 2015
In the first week or so, Windows performed quite smoothly (albeit with some slowdown playing games) and was for the most part perfect.
However, quite recently my experience with Windows 10 has been so poor that I am regularly unable to even boot up my PC - being greeted by an alarming 'beep' sound, followed by an immediate shutdown. In the rare circumstance where my computer actually does turn on properly, whenever I open Chrome or Edge it shortly freezes and I'm forced to hard reset my computer.
I have tried reinstalling Windows 10 (deleting most of my files with it) but to no avail. I have noticed that on the task manager the 'Disk' column is quite often red with 99% usage -
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Feb 10, 2016
I am using Dell inspiron laptop (pretty old one) which started acting weirdly. Upon examining, there was a problem with HDD so I had it changed.
As soon as I got new HDD installed and installed Windows 10 on it, computer started acting weird again - slow startups, random freeze etc.- but it was running ok and I was fine with it. But earlier today, it suddenly displayed BSOD and crashed when it was idle. Now to the main and the funny part, it does not boot anymore. To elaborate, blank screen appears after BIOS screen (right when the logo of windows should be displayed) and it remains blank for several more minutes before the logo and spinning dots magically appear, it doesnt disappear thereafter.
I figured, I could run startup repair or some other tool to solve the problem by booting from the DVD of windows 10. Now for this one, the logo appears with the spinning dots which disappears after a while like it should. And after it disappears, blank screen persists thereafter. Dumbfounded, I tried booting from a USB stick of Windows 8 I had which gave the same problem.
I have already tried altering most of the options in BIOS and the diagnostic tool gives and all-ok for all the installed hardware.
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Apr 14, 2016
I have win 10 pro installed on a Samsung 850 pro SSD. In Bios it lists Windows Boot Manager as the #1 option. I selected Samsung ssd as my #1 option, saved and exited. Computer will not boot. Says No OS found-insert media and restart. Did that a couple times. No Boot. Set Bios back to Windows Boot Manager. Everything runs fine. Also Sata controller set to AHCI. Is this normal for Windows 10? In Device manager my storage controller says Microsoft storage space controller.
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Feb 10, 2016
I am using Dell inspiron laptop (pretty old one) which started acting weirdly. Upon examining, there was a problem with HDD so I had it changed.
As soon as I got new HDD installed and installed Windows 10 on it, computer started acting weird again - slow startups, random freeze etc.- but it was running ok and I was fine with it. But earlier today, it suddenly displayed BSOD and crashed when it was idle. Now to the main and the funny part, it does not boot anymore. To elaborate, blank screen appears after BIOS screen (right when the logo of windows should be displayed) and it remains blank for several more minutes before the logo and spinning dots magically appear, it doesnt disappear thereafter.
I figured, I could run startup repair or some other tool to solve the problem by booting from the DVD of windows 10. Now for this one, the logo appears with the spinning dots which disappears after a while like it should. And after it disappears, blank screen persists thereafter. Dumbfounded, I tried booting from a USB stick of Windows 8 I had which gave the same problem.
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Aug 13, 2015
Windows 10 loaded on my Toshiba M645. Now it won't boot up...I want my windows 7 back. How do I go back to windows 7. Bad system config info
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Oct 20, 2015
So, i am going back to Windows 7 so i have my disc and key. But how to start my computer from the CD drive with windows 10. With Windows 7, there was a key(like F2 or F12) to change boot device. that is not there with Windows 10. So how do i boot my computer from the CD Drive?
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Oct 30, 2015
BSOD happens only when the computer cold boots from a prolonged inactive state. If the PC is off for several hours and is turned on it occurs. Computer typically blue screens, sometimes it freezes at the bios splash screen where they Windows 10 circular loading icon appears on this Gigabyte. I've seen multiple reasons for the occurrence such as bad pooler caller and irql not less or equal. The BSOD happens once then after the computer functions as normal with no other issues.
Power supply, graphics card, and SSD were both pulled from a previous build with zero issues in that build. New to this build is the motherboard, processor, and RAM.
Ran Memtest86 with no errors for 8 passes but I just realized it was after the initial cold boot BSOD and not going from the inactive state to the test directly. Will be swapping out the RAM at Microcenter today just to eliminate that possibility.
Windows 10 was a clean install but it happened on the previous install, BIOS is flashed to the most recent release.
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Aug 5, 2015
I've been trying to fix this for a while, but I have had no luck. My sister for her birthday got a new laptop (Dell Latitude E6420 Intel i5 2540m at 2.6 ghz). I did the free Windows 10 upgrade for her, and when the computer is starting from a shut down, it goes to a black screen with the mouse, and the mouse is frozen. There is nothing I can do but hold down the power button to shut it down.
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Sep 2, 2015
After upgrading to Windows 10 everything was going smooth, until few days ago I noticed that the sleep function is not working properly. After asked to sleep the computer will boot from scratch and all the unsaved data is lost. My computer is ASUS K551LN, Intel i7 4500U processor, nvidia geForce 840m graphics. I tried clean install does not work, all drivers are updated, also tried disabling hibernation and fast reboot...
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Aug 24, 2015
I have had nothing but issues, since upgrading to Windows 10 from Windows 8 (64). The installation within of itself was horrible. I got the continual flash on the screen, until I was able to get it into safe mode and recovered it. Then made sure drivers were updated. However, I did not upgrade my BIOs, from the information I had seen from MSFT. Didn't think twice, since they said if you were upgrading from 8 or 8.1 that should not be an issue. The system was running stable, after I did those fixes.
About 1 week ago, after a MSFT Windows automatic patch push, My monitor started not to respond during boot up. Ran some basic troubleshooting for the monitor (Ie: check plugs, check cables, check Video card). They all seemed to work fine and my system booted up normal.
The very next day, cold booted again and monitor did same thing, it was not getting any signal from the computer. Went through the checks, after a little bit of a delay the system finally booted. I checked my BIOs settings, which were all set up normally. I locked my computer after that and did not turn off the system, the next morning, my monitor was unresponsive.
I re-checked monitor, cables and even replaced the video card. Everything is good except no signal to my monitor. I disconnected all hardware except the video card and motherboard, to see if it was an issue with my power. I took out out the CMOS battery and also disconnected power to the motherboard for about 2 hours, to try and reset the BIOs to factory. No luck.
This leaves me with 2 things left:
a) Corrupted BIOs, not loading my drivers, or
b) motherboard went bad.
Going to try a bootable USB BIOs next.
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Jan 3, 2016
Have just bought a new computer (Acer E1 572 with I7-4500U processor, running Windows 8.1). Tried to download Windows 10 and at the end of the process the computer shut down and now refuses to restart. When I press the start button the small blue light on the front of the computer flashes 5 times - and that's it. I am not very technically savvy (understatement) and if I had made even a quick glance at this forum and realised that there were so many problems with Windows 10 I would have stayed with Windows 8.1, at least untiI most of the initial bugs were taken care of. What can I do to get my shiny new computer back and running on Windows 8.1?
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Jan 13, 2016
I have to boot 2 times to get my computer started. This started when I upgraded to Windows 10.
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Aug 5, 2015
I restarted Windows 10, and it started installing updates. The computer restarted a couple times saying it was installing updates, and eventually it said that there was a problem installing the updates, and that it was reverting changes. It hung on this is screen for about five minutes, and then (my arm touched the keyboard in this instant, not sure if any buttons were pressed) I got a blue screen, with the error code disappearing too fast for me to read and remember it. Now when my computer attempts to start up, it shows the gigabyte 3d bios splash screen, goes to a black screen with a command prompt-esque cursor blinking, maybe five or so lines from the top. At this point it seems the only input it will accept is ctrl-alt-del, which restarts it and leads to the same outcome.
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Mar 15, 2016
I hav the media file downloaded on my usb but when I go to boot from it its just blank.
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Aug 17, 2015
I had updated to Windows10 a couple weeks ago. Everything was running smoothly until my most recent NVidia gfx driver update. It seemed to stall at 99% completion and then I lost the sound to my computer.
After numerous attempts to fix my sound I decided to just restore my computer and wipe it clean. Big mistake.
Again upon 99% completion of the restore process my computer crashed and then entered an infinite loop and booting and loading to a screen that would say "innaccessable boot driver".
This seems to be a common problem with windows10 and people who restored or wiped their computer, they all got the same error message I did. Except the fixes that have worked for them aren't working for me.
I have even purchased a fresh copy of windows 8 and a new SSD in attempt to remedy this but to no avail. Even after removing my other SSD's and keeping only the new one in, it now loads to a screen that says "reboot and select proper boot device, or insert boot media in selected boot device and press a key".
I have tried messing around in the bios but nothing I do seems to work.
I have a MSI g45 z87 gaming mobo
Gtx780
Kingston ssd
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Feb 10, 2016
So my computer has been kinda laggy and running slowly so I figured I would do a clean reset of Windows 10. It noted that it would take hours, which was fine. However about an hour into it, it said there was an error resetting. It then restarted the computer however I can't get passed the "ASUS" start up logo. It goes black and then loops. I hit F9 but none of the options work for me - automatic repair won't work because it says my computer doesn't have an administrator and when I try to reset again from there, it tells me that "a required drive partition is missing." I don't have the greatest knowledge on computers, so I really don't even know what that means.
I've read that I might have to reboot from a USB - how would I go upon doing that? Is there something I can download on the Microsoft website? I don't have a key because the computer came pre-loaded with Windows 8 and I upgraded to Windows 10 for free last year. Will I still be able to boot from a USB?
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Aug 13, 2015
Alright so, i installed windows 10 had it working for about a week my graphics card was away for repair and when i finally got it back i tried installing it only to discover my PCI slot on my mobo was bad. So i ordered a new mobo when i got the new mobo in the mail i installed and powered on my system the usb drivers were working fine. I still popped in the install CD for audio drivers about mid install of the drivers i leave the room and come back to discover windows 10 had reset itself and was installing "updates" at about 55% it completely froze i left it alone for about an hour before I rebooted.
Upon rebooting i discovered none of my usb ports work it appears the driver install got eliminated mid installation. So my pc was just stuck there on the new annoying mandatory log in page Luckily my Mobo had a ps/2 slot so i had to travel all around town to thrift shops and pawn shops to find a ps/2 keyboard, success i got the keyboard and j signed in! Time to pop in the drivers CD and reaccomplish it! Only one thing... Windows says "failed to install update"*instant reboot* by the way my only internet access on this PC is a wireless usb dongle
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Feb 1, 2016
Recently I downloaded a program but it came with a ton of malware. I booted my laptop in safe mode and ran a bunch of malware removal programs. When I tried to boot my computer back up, the screen lit up and turned grey.
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Aug 18, 2015
I was browsing the internet, my computer suddenly began to freeze up and run extremely slow. After roughly 5 minutes of that, I was met with a black screen and really no other choice than to hold down the power button and force a shut down on the computer. Upon the computer booting back up, I see a Windows 10 logo and a small circular loading graphic that's spinning as if its loading. This happens for a few minutes until an error message appears "Unmountable_Boot_volume" and the PC automatically restarts itself.
On the second reboot, I see the same Windows 10 logo but instead of a loading bar, its just text indicating the computer will now try to automatically repair itself. This is when the computer takes me to the "Choose your keyboard layout" screen on what I assume to be the repair interface. The problem is that my keyboard/mouse are not recognized or working at this stage, so I'm unable to select an option and progress. I've read that there are some possibilities at a fix or way to get the keyboard to function through the use of the BIOS menu, however any attempts to press "Esc" on my keyboard or any of the other functions such as "F10" for a boot menu results in an instant freeze of my PC.
I'm running Windows 10 on an HP Pavilion P6000 series. I've already done my own research as to what could be causing this and have tried a few things such as manually resetting the CMOS, reseating pieces of hardware, only plugging in essential cords (Keyboard, Monitor, and Power cable). and disconnecting the power to the Motherboard and reconnecting it.
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Dec 13, 2015
My computer froze during a Windows update, and I had to force a shut down, which really messed up my computer.
My computer was stuck in a boot loop, so I attempted to reinstall windows 10 onto it. At around 3% it crashed again, and since then has been really messed up.
If it tries to boot normally, it no longer gets stuck in a boot loop, but now just instantly crashes to blue screen, saying a required device can't be accessed (error 0xc000000f).
I tried to boot into the windows 10 install disk to try and run chkdsk or attempt other recovery tasks, but it crashes after a few seconds of being on the menu, saying to search for FAT FILE SYSTEM to try and fix the error.
I downloaded gparted onto a USB and ran it. It gave me this error: [URL]
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Sep 16, 2015
I upgraded my laptop from Windows 7 to Windows 10 recently. About 90% of boots, my laptop will hang a and produce a BSOD. Initially, the BSODs were typically "system thread exception not handled" and "pfn list corrupt".
However, after the latest Win 10 update last week, initially everything went well, there were no boot hangs for awhile until a few days ago when it keeps on BSODing on boot with the error "Inaccessible boot device". The subsequent restart would end up with a BSOD of "system thread exception not handled". It works only after multiple restarts, which is worrying.
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Jun 11, 2015
When I try to install windows it says "Windows could not prepare the computer to boot into the next phase of installation. To install windows, restart the installation" and i restarted like 10 times but its still not working ...
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Sep 14, 2015
Basically when i go to turn on the PC it turns on and gets stuck on the screen where it tells me to push DEL or f2 to go to the bios settings. The problem with that is it wont let me access the settings at all when i push either of those buttons. So then I turn my PC off and then on again and it boots fine. Then I check for updates to see if it's some bug and I'm up to date. So I restart to see if the problem has been fixed. And it gives me the same frozen screen of the BIOS options. Then i turn it off and it boots fine, wash and repeat.
Build:
CPU- i5 4790k
GPU- MSI GTX 970
MOBO- Asus Z97
RAM- Corsair Vengeance 2X8 GB
PSU- Corsair 650 watt
Memory- Samsung SSD 120GB, Western Digital Black 2 TB
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Feb 10, 2016
My laptop is running windows 10 32bit pro and ever since upgrading, the computer boots to a black screen but there are other times it will boot up correctly....
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Oct 5, 2015
I have a Toshiba Satellite S55-A5294 laptop computer. It is running Windows 10. I had the drive encrypted using Jetico's BestCrypt full disk encryption.
Several weeks ago, I was using Windows, put the computer to sleep, and when I came back an hour later and woke it up, I got the "Preparing Automatic Repair" screen. This was followed by a message that automatic repair was unsuccessful. This problem has happened in the past. In the past, it was the result of a Windows update overwriting the BestCrypt bootloader (BestCrypt encrypts the system partition, so it has to have its own pre-environment password prompt, which can then pass to the mounted system). However, this time it wasn't the case.
As it turned out, I had a corrupted volume. I was able to recover my data. I pulled the hard drive out of the Toshiba computer, put it in a USB enclosure, and connected it to a Lenovo Thinkpad E530, also running Windows 10. In this configuration, I was able to decrypt the drive, and access my data.
I restarted my Lenovo and forgot to disconnect the Toshiba's hard drive. The Lenovo booted right up, into the Toshiba's desktop. I backed up my data, and, for good measure, made a disk image of the whole thing.
I pulled the drive out of the enclosure, and reconnected it to the Toshiba, from which it originally came. When I turn it on, however, I get a BSOD informing me that I have an error:
INACCESSIBLE_BOOT_DEVICE, and the computer then automatically restarts. Upon restart, I receive either the same thing, or a "Preparing Automatic Repair" screen, which then tells me that my computer failed to boot, and suggests a restart. There is also the option for advanced troubleshooting. If I restart, I get locked into the same loop.
I am still able, however, to pull the drive out of that computer, and boot it up when it's attached to my other computer.
I tried connecting the drive to the Toshiba (the original computer from which it came) via the USB enclosure, and I still get the same errors. The Toshiba is able, however, to boot a Linux Live USB.
I know that the drive is bootable. And I know that the Toshiba is willing to boot. They just won't play together.
I ran chkdsk on the system volume, and found no errors. I tried using the Repair option on a Windows 10 installation USB, and didn't really get anywhere.
why the same disk would be bootable on one computer, and not bootable on the other.
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