Windows 7 Operating System In Startup?

Mar 10, 2011

I've searched the net and this forum but can't seem to find an answer. I'm sure it's probably simple but I've never seen it before when I was using XP.Why is there an entry in Startup titled "Windows Operating System"?I'm loathe to uncheck it, I just don't understand why it would be there?

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Operating System Not Found Error On Startup (windows 7)

Feb 1, 2012

i have sony viao laptop, when i start my pc it shows the following error " operating system not found "when i opened bios menu, it doesnt detectes the hard drive n says " no drive ".hv my hard disk crashed ?

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Sep 6, 2012

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Sep 24, 2012

I was playing Syndicate on PC, and then suddenly, the game froze along with the sound. I could not alt tab, or ctl alt del. So I shut down the laptop using the power button. Then onwards, every time I start/restart it beeps numerous times and then the HP logo is seen, then it beeps numerous times again and then asks "Choose operating system". I click windows 7 on that screen and then it starts and works fine. I have started and restarted, and the number of beep codes are numerous and dont have an exact count every time. On one start it might be 11 beeps and on another it might be 8 beeps. I am on HP G70 120, and I am on Windows 7 32 Bit. The only operating system I am using is Windows 7.

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Oct 23, 2010

turns out that when i get to this window:

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Oct 19, 2011

Suddenly my Win 7 Home Premium x64 will not boot. The system starts, POSTs then loads the DVD driver, then the screen goes black (not blank but "lit up" black if that makes sense). Then nothing. If I use Hiren's boot cd I can boot up using the "boot from HDD" option fine and Windows operates normally. System restore to a previous configuration made no difference to the original problem. I cannot boot into Safe Mode. F8 just offers me boot order options.

- Running the Windows 7 DVD I find: "No operating system is listed on the Repair Windows option."
- Running Startup Repair finds the following error: "the partition table does not have a valid system partition" which it claims to have repaired, but the error remains and Windows will still not boot.

I followed this advice:
Boot 7 dvd to system recovery options command prompt. Type: Diskpart
list vol (find the vol letter e.g C or partition number e.g. 1 for the system partition )
Sel vol C ( or sel vol 1, obviously use the correct letter or number)
act exi

My system partition was easily identified and listed as healthy so I selected it and made it active. The problem still remains exactly the same. My system is self built just over a year ago, to my knowledge has been running fine, without any hardware issues. I'm prepared to do a clean install if that's what it takes but if there is a way to fix the partition problem without that I'd like to explore it first.

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Dec 27, 2012

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Jan 14, 2011

Ever since I bought my new computer and installed Windows 7 64 bit Pro I have noticed that sometimes when I start my computer the startup locks up or crashes, requiring me to restart or it takes me to the system repair screen and running this process does nothing.

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Feb 18, 2012

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'Missing Operating System' Error Massage When System Starts

Feb 17, 2012

"Missing operating system" massage is coming when i start my system. I think because, i had given "mark partition as active" option for one hard dive (E) in disk management when last time i opened. it did not have any data. i did not know, this will make any problem. Now i am not able to boot windows re installation dvd also. i can only take BIOS settings.

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Jun 14, 2012

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Nov 22, 2012

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Aug 29, 2012

i have a dell lattitude d620. I received an error message bootmgr is compressed and i do not have an installation disk.

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May 29, 2011

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Jul 29, 2011

need information for above

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Nov 10, 2012

I have had this computer since 09, bought it new,, did not get cd' with it what can I do?

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Sep 15, 2011

I'm been working on this problem for over a day now and now I'm stumped.I've read dozens of threads and blogs all over the internet concerning this "operating system not found" problem but none of their problems seem to be the problem that I have.My computer just got extremely laggy and froze into a BSOD (blue screen of death) before turning off and showing me the "operating system not found" message during every boot.Usually when this problem showed up, it turned out to be a hard drive failure, but when I checked my bios, it listed my hard drive as 320gb. (So I'm guessing this has nothing or little to do with my hard drive.)

Here are the things I have tried: Safe modesThe "Launch Startup Repair" (ends up with at start up background and doesn't progress any further)The "Windows Memory Diagnostic""Last Known Good configuration"I've transfered the windows 7 .iso to a bootable usb and started up the laptop it got to the Install Now window and when I press that, the window closes and it shows "setup starting" and just stays like that.The only part that seems to be working like it's supposed to is the quick start/splashtop browser option that doesn't startup anything. (It only opens a browser for internet use and no other programs).I'm guessing the next step should be to open up my laptop and see if any of the cables are loose.ut after that I don't know what else I could do.

Edit- I have just checked and now the operating system not found message doesn't show up. when I start up with regular settings, it just gets to a blue screen and restarts.

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Jan 10, 2012

I've tried to run the Windows 7 CD to repair but it does see any operating system or recovery points, is there another way to get my computer to start up?

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Aug 29, 2010

I am getting the "Missing Operating System" message on boot. Here is the strange thing...if I change the boot order in the BIOS and have CDROM first and choose not to boot off of it Windows 7 loads fine. If I put HARDDISK first then I get the missing operating system message. I have tried running CHKDSK, BOOTREC and the plain old Windows repair util. None of them have worked.

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Dec 8, 2010

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Apr 18, 2011

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May 7, 2011

I just need to know that can win 7 slow down the games as compare to xp as win 7 is more advanced,so iam confused on gaming on xp or win 7 and how much space does it take for win 7 as i have 20 gb on C drive.

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Windows 7 No Operating System Error?

Aug 1, 2011

i have an hp pavilion that fell down, now when i turn it on in order to to boot from the hard drive i need to put booting cd (windows booting disk)to boot up the hard drive or it gives me an error message (no operating system found).

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Sep 16, 2011

Message won't boot - boot with Win7 DVD - go to repair - no operating system shown - do repair - reboot - same result

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Jan 9, 2012

I've pulled my harddrive out and plugged it into a new machine, it works just fine. yet my computer cannot find my operating system.

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Feb 28, 2012

I am using windows 7 64bit and I want to install Fedora along with the windows.I partition my drive D: to 100GB which is total of 238GB of size for fedora O.S I partition it by this process.My computer--> right click--> manage-->Disk management. And then I shrink the new volume. The new drive will be created as I:But when I am going to install fedora. It didn't show that newly created drive i.e I:Why it is happening. I format that drive many times but nothing works. All it shows me in fedora that 238GB drive.Is there is a mistake in partition?The partition format is NTFS?

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May 24, 2012

I'm purchasing a new ssd and will be loading Windows 7 to it. However, I'd love to delete my current Windows 7, running on caviar black drive, and still keep everything else on it.

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Dec 25, 2012

I am building a computer for the first time ever. I turn on the computer, the BIOS screen flashes and then a black screen appears displaying the text "Missing operating system." I am booting my Windows 7 from a flash drive,

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Dec 29, 2012

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Dec 27, 2011

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May 10, 2012

I just bought a new laptop. It has one hard drive (C/)with 600gb and I partitioned it. However Im not sure if i did this correctly. I had to provide a file path etc and the only place to save the partition (E/)was on the primary C drive itself. (So now theres a file on the C drive called "E" with its own amount of memory).

I made the new partion into a primary drive and it shows up as such on "my computer". The current OS is windows 7 home premium but now I want to install windows 7 ultimate. I realise that Ive done things kinda back to front - my question is: if i install the new windows 7 ultimate OS, will the partition remain as it is or will it be ereased because its located on the C drive?

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