[CentOS] crash after update please help!

[Rob Kampen]

On 11/27/2012 08:02 PM, Hossein Lanjanian wrote:
> For usinging some soft wares in my field of study (biology) I need to
> update centos. But there is a big problem.
> My laptop is vaio SB31FD.
> It is a dual boot system (Centoswith win7). It crashes when I reboot it
> after updating the CentOs kernel.
> There is not any new line(kernel name) in the grub page. There is  only two
> options, CentOs and other(win7)!!!
> Win7 is okay, but after choosing Centos the next page is appeared and a
> blue line in the button of the page grows from left to right, but when its
> colour changes to the gray and one waits to see the login page, it crashes.
> There is not any message!!!!
This is the CentOS 6.x boot display - if you press <esc> when this 
appears you will be able to follow the boot process - and hopefully find 
where it crashes.
> I installed, updated and encountered with this problem 4 times. Now, I am
> sure it related to the kernel update.
> I tried to solve the problem with "Rescue mode" option from CentOs DVD but
> I can not find any helpful command by googling.
>
> also, I did this work on my friend`s laptop(Dell vostro1510), but THere is
> the same problem.
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