Grub screen issue while booting......

Hi Gurus.....

    My system is dual boot, having Win XP & Red Hat Enterprise Linux 5. Initially I use to boot linux by pressing "tab" key, which was showing me two OS listed in Grub. Since last few days, I'm not able to get that grub screen even if I press "tab" or any key while my system boots. Kindly help me out in this..

 Your help is appreciated !!!!!

check your /boot/grub/menu.lst file

Hi.

You never said which of the two OS's was booting (windows of linux)?

Hi......

Only Windows is booting...can not even go into the grub screen. 

As Linux is not booting, it is impossible to check /boot/grub/menu.lst file.

Kindly help me ..

If you have the Red Hat CD / DVD you should be able to boot from that and repair the problem from there.

If all else fails, you could download a third-party boot loader (google it, there's plenty of them).

I would make sure to have a CD of supergrub. That would likely be able to fix your issues.