bootmgr is missing

I have an HP 6445B, last time is started I recieved an error BOOTMGR is missing.
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lauchangkwangConnect With a Mentor Commented:
would suggest you to reformat your laptop, as it might infected by virus where delete your OS files at the backend and you didn't even realize of it. Or run the Anti-Virus to scan for your whole Laptop
please identify the operating system you are using...  example. xp or vista or windows 7
look here how to fix it :

note that it may be caused by hardware failure...
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Savant is correct because it can be a notification of a hard drive failure. If your running xp there is a couple of different things you can try

1st get your home pro or what ever version os cd and boot to it, then press R and load the recovery console. From there type C:. then type fixboot (enter) then fixmbr (enter) then restart

2. boot to recovery console, C:, bootcfg /r, select your windows installation and press enter

3. Boot to windows cd, press enter, keep going through the windows until you see a screen that says windows detected a different version of windows would you like to repair it.

ps make sure you have your product key
do not format
Insert a bootable operating system  cd into your drive what you have earlier in HP 6445B.
Boot using the cd and just  reinstall the operating system.
if i doubt the hardware - i run diag on Ram and disk -to be sure about the basics..
I also recommend running chkdsk /r from the console
running a diag is different than chkdsk - which may ruin your disk...
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