If you can somehow get to a dos prompt (black screen with white writing)
then you can fix it without a repair disc or system disc. If not, just
borrow a Repair Disc or Operating System Disc from a neighbor, friend,
family member or co-worker. Just make sure that the disk is the same as
your operating system. Look at your Certificate of Authentication
(COA) Sticker that is affixed to you laptop. Most times it is on the
bottom or inside the battery compartment. It will tell you which
operting system you have and it will have a series of 5 letters and
numbers which is your product key. If you have Windows Vista Home
Premium, or Windows 7 Home Premium, or Windows XP Professional, then
borrow that type of operating system disc or repair disc. You will need a operating
system disk or a repair disk to fix it. Insert it in the drive then boot
from it. You want to get to a dos command prompt (black screen with white
lettering) and type the following commands. Press ENTER after each
command. To
run the check disk utility you will need a repair disc or a operating system
disc. Put the disc in the cd drive and boot from it. You want to
get to the Dos Command Prompt (Black screen with white letters) and type the
following command: chkdsk /r
bootrec.exe /fixmbr
bootrec.exe /fixboot
bootrec.exe /rebuildbcd
Reboot and see if the problem is solved. If not get back to the dos
command prompt and run the check disk utility.
Check disk will run well over an hour or two and you will notice the
percentages going from high to low, this is normal. Let it run to
completion. Then reboot machine.
If check disk fails to solve your problem you might have to reinstall windows.
Try doing a Repair Install that way you don't loose your data, documents,
music, pictures, videos or programs.
In windows xp you get to the dos command prompt by selecting R for repair when
the options appear.
In Vista and Windows 7 you want to get to the recovery
console and look down at the bottom of the window for the Dos Command.
SOURCE: Compaq Evo N610c HD error message
You need a disk. Borrow the same O/s disk from some IT person Or contact Microsoft / or HP authorised dealer they will be provide the disk.
Use repair option, (Else You will loose the data)
If you donot need data format and reinstall the Operating system.
Regards
Rafique
SOURCE: Windows won't start
The ntoskrnl file (NT operating system kernel file) is one of the main Windows file. You can repair this file by inserting the Windows CD install disk and boot up with this CD. Follow the instructions to Install Windows but ignore the first Repair instruction (unless you have a repair disk sually a floppy disk) continue until you get a 2nd repair request, then select this repair.
Windows install will then copy the main files and overright the corrupted ones. (your data and programs should remain intact).
If you still have problems you most likely have to install Windows again.
Best of luck, hope this works out for you, it is a pain having to install Windows again, sometimes it can't be helped.
SOURCE: <Windows root>\system32\ntoskrnl.exe.
Do you have a Windows CD that came with your computer? If so do you know how to boot from it by inserting it into the drive and then pressing F12 just after you switch on your PC? If you can do this then you could try the "repair" option from Windows Setup, this might fix your missing PC problem.
SOURCE: I can't afford a brand new Windows XP boot disk Where
You should be able to download that file from microsoft, or try googleing "ntoskrnl.exe"
I done it for a missing dll file and found many places to download for free.
SOURCE: ntoskrn.exe file corrupt or missing
You will have to get an OS from some where. If you have the Microsoft key on your machine then to borrow a disk is fine as you own a version of the software.
Otherwise purchase a new version. Ebay is competitive.
Hope that helps.
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