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Troubleshooting system displaying operating system not found immediately after turning on the system.

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Re: troubleshooting

Hi Myde, Without any other information this sounds like a hard drive failure. If it is you may want to try shutting down and restarting. It may take a few tries but if you hard drive is just in the beginning of a failure you may luck out and get it started. If you do immediately save you data to CD or USB drive. The easiest way to try to recover is to use Compaq?s recovery routine making sure you select the option that just replaces/repairs the original files. You do NOT want to select the menu option that formats (wipes) your hard drive. Depending on how comfortable you are with the technical aspect of computers you may want to consider taking the machine to a service shop. They have the experience to be able to save your data (just in case) plus can make the determination if your hard drive is shot. Let us know if you have any other questions of if you want to try to do it yourself. As always please don?t forget to rate the posting.

Posted on Feb 02, 2007

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what do you mean doesn't load?

as in it doesn't load the display?
doesn't load the operating system?
doesn't load the taskbar after logged in?
doesn't do anything at all just beeps profusely at you?
just shows a load of white writing saying no operating system?
or no MBR found?

Dec 22, 2013 | Gateway PC Laptops

1 Answer

Operating system not found

hi goodner,

getting the error "operating system not found" means that the hard drive where the Operating System is installed (i.e. Windows XP, Windows Vista, Windows 7), Cannot be found by you BIOS upon the boot sequence.

When you turn the PC/Laptop, you normal see a screen that flashes flashes with screen that displays the ff:

Primary Master:
Primary Slave:
Secondary Master:
Secondary Slave:

The Primary master should have a value right next to it. If not, either the hard drive is faulty and needs replacement, cable is loose,

If you have a value to it and stil gets the same error the operating is corrupted and needs to be re-installed.

Jan 29, 2013 | PC Laptops

1 Answer

When turning on my laptop it says operating system not found what do i do

have you tried re-installing the operating system?if not try it.good luck

Mar 18, 2012 | Gateway 400SD4 Notebook

1 Answer

The original 250gb HD failed. I replaced it with a WD 320gb HD. I have tried to load the Lenovo restore DVD and a new, never used, Windows 7 DVD. Both drives take EXCEEDINGLY long to load (the Windows 7...


Welcome to FixYa!

It depends on how you used the recovery disc that you have, reinstalling operating system will not take 23 hours just like what you said so there's a possibility that you're having problem with the Operating System on your computer. Unfortunately, Lenovo will not provide a product key for the Operating System since the an OEM version. What you can do is reinstall the Operating System using the One Key Recovery Sofware or the Recovery Disc that came with the computer. Follow these steps for you to be able to reinstall the Operating System using the One Key Recovery.

1. Turn off the computer.

2. Press the little button near the power button, it usually do have a drawing of an icon that looks like a horse shoe or a headset.

3. There will be a window that will appear which do have three option, One Key Antivirus, One Key Recovery and System Setup. Choose One key Recovery.

4. There will be another window that will appear which do have two option, Restore from initial backup and Restore from user backup,Choose Restore from initial back up

5. It will asked you if you want to continue, Just click on OK or YES.

6. Once done, Reboot the computer.

For Recovery Disc,

1. Insert the disc inside the drive.

2. Turn off the computer then turn it back on and keep on tapping F12

3. There will a window that will appear which do have three options, HDD,ODD/DVD/CD, and NAT, choose ODD/DVD/CD

4. It will asked you to press any key immediately, you will need to press any key immediately so that it will boot from ODD.

5. It will asked you to choose a partition, choose Disc 0 partition 1

6. Reboot computer once done.

I hope this information will be helpful. Thank you for using FixYa...

May 16, 2011 | Lenovo IdeaPad Y510 Notebook

2 Answers

Laptop won't starup (Black screen displayed) Help me please!!

Try this.

Turn the computer on and immediately press and hold the F8 key.

On the Advanced Boot Options menu, choose Repair Your Computer.

When you reach the System Recovery Options menu, choose Startup Repair. You already did that, but try it again.

If that doesn't do the work, go back to the System Recovery Options menu and do a System Restore.
You can use the Bootrec.exe tool in the Windows Recovery Environment (Windows RE) to troubleshoot and repair the following items in Windows Vista or Windows 7:
  • A master boot record (MBR)
  • A boot sector
  • A Boot Configuration Data (BCD) store
Note When you are troubleshooting startup issues by using the Windows RE, you should first try the Startup Repair option in the System Recovery Options dialog box. If the Startup Repair option does not resolve the issue, or if you must troubleshoot more steps manually, use the Bootrec.exe tool.

To run the Bootrec.exe tool, you must start Windows RE. To do this, follow these steps:

  • Put the Windows installation disc in the disc drive, and then start the computer.
  • Press a key when you are prompted.
  • Select a language, a time, a currency, a keyboard or an input method, and then click Next.
  • Click Repair your computer.
  • Click the operating system that you want to repair, and then click Next.
  • In the System Recovery Options dialog box, click Command Prompt.
  • Type Bootrec.exe, and then press ENTER.
Note To start the computer from the Windows DVD, the computer must be configured to start from the DVD drive. For more information about how to configure the computer to start from the DVD drive, see the documentation that is included with the computer or contact the computer manufacturer.

Thank you Sir, Have a nice day.

Sep 20, 2009 | Toshiba Satellite Pro L300 Notebook

1 Answer

I turned on laptop Aspire 3680, and it immediately displays "Error Loading Operating System" and stops there, any help?

you can try one thing..
if you got windows xp cd with you
restart the computer and change the BIOS setting (first device cd/dvd rom)
put the xp cd in
run with cd
go to xp recovery and try to repair it.
it will definitely work

Mar 23, 2009 | Acer Aspire 3680 Laptop

1 Answer

No display

The new hard drive has to be formatted first, then install the operating system. It cannot find the Master Boot Record. Google Master Boot Record repair on the Microsoft Knowledge Base websiter for instructions to rebuild the MBR..

Mar 02, 2009 | Dell Inspiron 1501 Notebook

1 Answer

ACER Aspire 3050: Operating System not found

Normal 0 false false false MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Обычная таблица"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Since the computer is on, immediately start to press F2 or DEL button in order to enter the BIOS and reset all settings to default. Most likely you turned on the «Boot from network «option.

Sep 11, 2008 | Acer Aspire 3000 Notebook

1 Answer

Ze5185 operating system not found

Could be a sign that hard drive is failing or a problem with Windows. Do you hear any strange noises, clicks?

Try re-installing Windows and see if that helps.


Mar 24, 2008 | HP Pavilion ze5185 Notebook

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