Use this tag for questions where a computer fails to successfully load ("boot up") the operating system.

learn more… | top users | synonyms

0
votes
2answers
24 views

PC turns on(sends signal to LCD and gives BIOS beep) after random number of attempts

My PC worked well until one time about 6 months ago the LCD lost signal and I have to restart the it. Since then when I want to turn on the computer and push the power button I do not get signal on ...
0
votes
1answer
55 views

Boot selection failed because a device is inaccessible, not the usual boot error though?? (0xc000000e)

I need some help fast please. I recently booted up my gaming rig after swapping out a 7970 graphics card and upon system boot up, as the Windows 7 logo appeared the system crashes and a BSOD appears ...
0
votes
0answers
45 views

Windows 8.1 sometimes fails to start

Since I upgraded my computer from Windows 8 to 8.1, I noticed some strange behavior: Whenever I try to start it or resume (after hibernate), I can not do it at the first time. I see the black screen ...
1
vote
0answers
60 views

Computer crashed for good

My one-year-old custom PC was crashing when I played Battlefield for 5 minutes or Counter-Strike for 20 minutes. Now it keeps crashing whenever I power it up. (It doesn't loop.) Debugging steps I ...
0
votes
1answer
223 views

Dell Latitude E6500 won't turn on

Laptop simply won't turn on. Power button is pressed, some HDD or cd-rom noises can be heard and it shuts down after a while. If anyone finds this useful, here is a movie (ignore the notification ...
0
votes
1answer
156 views

Toshiba Satellite C660 not Booting at All

I have a Toshiba Satellite laptop, and it was working fine but now it's not booting at all. From some days, it running slow and hang sometimes. I was using Windows 8 Pro on this. But now it even does ...
0
votes
0answers
512 views

“Operating system not found” after upgrading Ubuntu 13.04 to 13.10

I own a Thinkpad X121e and I upgraded its Ubuntu from 13.04 64bit to 13.10 64bit using the Update Manager. When the upgrade process suggested to restart the system, I restarted the computer and now it ...
4
votes
2answers
1k views

A computer that fails to boot if certain USB devices are plugged in

I don't have an active problem with this but I am curious. Over time, my repair work has lead me to experience many instances (repeatable and reliable ones) where a computer (desktop, laptop, every ...
3
votes
1answer
77 views

My laptop fails to POST or boot consistently

I'm sporting a Dell Inspiron 15 (M5030), the specs for which can be found here. Over time I've made three upgrades to the laptop. I've installed: An Intel Advanced-N 6235, wifi+bluetooth 4.0 chip ...
0
votes
1answer
36 views

HDD doesn't properly work [duplicate]

Recently, while I was installing windows 7, I tried to re-partition my 750 gb hdd. There were following partitions inside my HDD: Swap Ubuntu Backtrack System reserved for Windows 7 Windows 7 I ...
0
votes
0answers
123 views

UEFI ASUS system will not bring up grub menu nor boot F19

Just loaded the Fedora Live Games F19 to a hard drive on an ASUS UEFI system. It won't get to GRUB. I forgot to write the error message, but something about it not being bootable. I can follow up ...
-1
votes
2answers
364 views

Windows 7 startup failed

I have a Dell laptop with an i3CORE processor, I don't know much about the other specs. Over the last period of time, it sometimes freezed during start up or during working on it, restarting the ...
-1
votes
1answer
165 views

Dell Studio 1737 - Windows re-install fails after using Win7 all-in-one installer

My kid stepped on my Win7Ultimate install disk, so used an install disk (all-in-one - has all versions)from a friend to re-install, and now that I want to go back to XP, I can't re-install any other ...
-1
votes
1answer
218 views

'DISK BOOT FAILURE' following successful installation of Windows 7 [closed]

I have just lost five (FIVE!) hours of my Saturday installing Windows 7, and apparently all for naught. I just purchased a new 1tb Western Digital SATA drive (WD). I'm currently running Windows XP ...
2
votes
0answers
44 views

PSU and motherboard power up failure [duplicate]

My girlfriend's computer is not booting any more. Here is a list of the hardware and the tests I've made so far: MB: Asus P5QL-E PSU: Thermaltake Toughpower 600W First failure: the PC was off, ...
-1
votes
2answers
408 views

“Internal hard drive not found” error displayed while trying to boot laptop

Internal hard disk drive not found. To resolve this issue, try to reseat the drive. No bootable devices--strike F1 to retry boot, F2 enter Setup Menu, F5 enter PSA. How do I fix this problem?
0
votes
0answers
47 views

WinXP Loads to Black Screen with Symbols

One of my computers froze then when I restarted it I got a black screen with the following short line of symbols: I can get into the BIOS since that part loads fine, but directly after that this ...
0
votes
1answer
243 views

IRQL_NOT_LESS_OR_EQUAL BSOD in NDIS.sys, with MemTest passing - what's the cause?

I just got a Blue Screen of Death with IRQL_NOT_LESS_OR_EQUAL, in NDIS.sys. My hardware: Intel P4 Northwoord 2.4 GHz Intel D850EMV2 board 4 x 256 MB RDRAM other stuff Context: Computer was ...
0
votes
1answer
201 views

How to test for harddisk damage preventing it from booting?

I've experienced some problems with the booting of my laptop and I'm now unable to boot from the harddisk. In particular when booting I get this error message: No bootable device -- insert boot disk ...
1
vote
0answers
129 views

Windows 8 0xe000009 - Cannot boot from DVD as well

Yesterday, I connected a phone (Nokia Lumia 800) of a friend to my computer. I then had to restart the computer. But during the restart, it got stuck to the black screen just before the login screen. ...
2
votes
0answers
1k views

ASUS ZENBOOK UX51VZ: BIOS fail after 204 update

I got some days ago a ZENBOOK UX51VZ, I hated Windows 8 therefor I successfully installed Windows 7 with all the drivers, everything was working fine; then I stupidly decided to update the BIOS to the ...
0
votes
1answer
346 views

My Toshiba Satellite will not boot after windows 8 installation (online)

I've tired to install windows 8 onto my Toshiba Satellite L745-S4210. Installing windows 8 was fine no errors (It told me to unstall some Toshiba programs) so after it was all done, I restarted my ...
0
votes
1answer
1k views

Computer does not BOOT, POST, show any image nor react to power button once turned on? [duplicate]

Well I have a Packard Bell Easy.. something, I don't know the model anymore, but it's a 6 years old Desktop and it worked pretty well until last night. The problem is that when I boot it on the ...
1
vote
1answer
138 views

Computer doesn't boot after new psu installation

I've purchased a new PSU (Chieftec APS-550C) and installed it into my computer. After that my computer refuses to boot up: it spins up all the fans and drives, stays in this state for ~10 seconds ...
2
votes
2answers
2k views

Why does my Samsung Chronos 7 not boot anymore after installing Ubuntu?

I was just installing ubuntu on my new samsung chronos 7 NP700Z3C, the laptop was stucked at booting ubuntu so I pushed shutdown button for 5 seconds and turned it off. Now it does not boot. It just ...
2
votes
0answers
415 views

Windows 7 fails to start after shut down

I have Windows 7 Home Premium 64-bit on a 2-year old Lenovo SL510 laptop. This is the current issue: Windows fails to start after the computer shuts down. It gets to the Windows logo load screen and ...
2
votes
0answers
475 views

Brand new Asus U500VZ bricked - can anyone shed light on why? [closed]

EDIT: Replaced question with this one. I was wrestling with this, got to a certain point, changed one BIOS setting (I turned off CMS support), and the laptop died. Blank screen on power on, keyboard ...
0
votes
0answers
254 views

Computer stuck in a boot loop

I'm not positive what's causing my computer to be stuck in a boot loop where it turns on all the fans for about 2 seconds before restarting, but I do think I screwed up a couple of things and was ...
0
votes
0answers
725 views

Dell Inspiron 1525 - No boot sector on HDD

No boot sector in internal Hard disk. No bootable devices - strike F1 to retry boot, F2 for setup utility Press F5 to run on board diagnostics. My Dell Inspiron 1525 doesn't boot at all. ...
1
vote
0answers
77 views

Laptop (hp dv4 media edition) not starting windows

My windows was running smoothly during an update of anti virus. After the download it required a restart and did that automatically. Once it restarted the computer, the machine got stuck at the ...
0
votes
1answer
467 views

NS Series Notebook Sony vaio - windows failed to start

I have Sony Vaio VGN-NS240E. Windows Boot Manager Windows failed to start. A recent hardware or software change might be the cause. To fix the problem: ...
1
vote
2answers
74 views

Strange boot problems on 6 month old setup

I've already exhausted my knowledge on this one, so forgive me if this post is a bit long. I built a computer 6 months ago for my wife and it worked fine until last week. Then it randomly shut down ...
5
votes
1answer
2k views

Windows 8 Hyper-V fails to boot Windows XP ISO

So I recently installed Windows 8 Professional on my computer and today I enabled Hyper-V with the intention of creating a Windows XP virtual machine. I created the virtual machine with standard ...
0
votes
0answers
21 views

WIN7 constant BSOD 0x7B on boot, not producing any dump files where to go from here? [duplicate]

Possible Duplicate: Windows 7 0x0000007B So my one win 7 pc has been getting a BSOD on boot (roughly a sec after load screen starts) after a power failure. The complete stop code is ...
0
votes
1answer
258 views

Possible SSD failure after overclock

I (foolishly) attempted an overclock on my newly-upgraded (new mobo and SSD) rig, and now I cannot boot. The relevant components: AMD Phenom II X4 965 - 3.4Ghz (overclocked 10%) Kingston HyperX DDR3 ...
1
vote
3answers
2k views

Computer won't boot after applying thermal paste

I don't know what's wrong. My computer was on a bench and I used thermal paste (probably too much of it at first) and my computer still worked. But after I put everything back in the tower it didn't ...
2
votes
1answer
380 views

System won't boot if I connect SATA hard disk

I had an old PC with an Atom processor, two SATA hard disks with 40 GB and 160 GB each. Recently I upgraded my PC, got a Gigabyte H61M DS2 Motherboard, 2 GB of RAM and Core I3 processor. But ...
0
votes
1answer
304 views

Windows 8 boot loop after mounting from linux

I installed the release version of windows 8 professional (which I got through my university). I installed Ubuntu on another drive so I can select which drive to boot in the BIOS. All was well... ...
2
votes
0answers
45 views

Windows Defender Update KB915597 (Definition 1.135.415.0) > BSOD > Computer No Longer Starts [duplicate]

Possible Duplicate: A Windows Update Prevented Live Discs From Working? First off I'll state my system specs. Acer Aspire M1100 Windows Vista Home Basic 32bit OEM 2 Gigs of DDR2 ram ...
2
votes
1answer
532 views

Fujitsu Siemens Laptop Problems

I've got a Fujitsu Siemens Laptop running XP and have had problems booting. At first the message was to do with corrupt registry files, System, Security etc. I replaced all of the files with ones ...
2
votes
1answer
973 views

MacBook Pro (OSX Lion) - shutdown automatically before reaching login screen

When I try to lunch my MacBook Pro I can see a progress bar on loading screen. It goes to 1/15 or something like this and then it shut downs - I cannot reach even login screen. It happened to me 2 ...
1
vote
1answer
121 views

Troubleshooting a failure to boot

I have a system that has been working fine for a long time, and has suddenly decided not to boot. By not booting, I mean nothing at all -- no post screen, no nothing. It powers up, the fans spin, ...
3
votes
2answers
465 views

a pci-e card doesn't work with the other two graphic cards

A PC machine in the company has three 16x pci-e slots, let's call them A B C (A is closest to the CPU, C is furthest). There has been two graphic cards installed in it (gtx680 in A and gtx560 in C, ...
1
vote
0answers
118 views

GRUB: ELF sectors outside core

I just recently installed Xubuntu 12.04. Instantly after installing it I updated all my packages, however one package, grub-pc, failed to install. I'm not sure what caused it to fail, but here is the ...
3
votes
0answers
978 views

Acer Revo R3600 Won't POST

I powered off my Revo this afternoon to change the power strip, plugged in a second USB hard drive and booted it up, only to find the machine won't POST. It's been running happily as an HTPC for at ...
0
votes
0answers
300 views

UNetbootin installation of Ubuntu Server fails and restarts computer

I tried to install Ubuntu Server from a flash drive using UNetbootin, because my optical disc drive is broken. When I created the bootable drive using UNetbootin, there was no problem. When I tried ...
1
vote
1answer
1k views

Windows 2000 Pro repair, does not fix, cannot clean install

I have a client machine (windows 2000 Pro) that fails to start up. The startup screen appears and the loading bar reaches 100% (full) then the system reboots. Starting in safe mode does no better.. ...
4
votes
2answers
809 views

HD prevents me from booting Live CD

Short version: BSOD on Windows last night, cannot boot to Win or a live Linux CD, moving HD to another comp won't boot. Update: Had a little success attaching hd to other comps via USB (or plugging ...
0
votes
1answer
1k views

Windows 7 - Disk Read Error, Boot Disk not mounting

Some background first (a little long): A while ago, my desktop got stuck at the "logging off" screen (prior to shutdown, the machine was sluggish and I suspected some process making trouble). I ...
0
votes
1answer
141 views

Laptop does not boot?

I'm not very savvy when it comes to laptops. I have two identical laptops, old school Dell Latitude D410's. One works just fine, and the other does not boot at all. I have tried various things ...