https://community.hpe.com/t5/operating-system-linux/window-nt-2000/m-p/4453436#M37322 Since the problem happens before the OS has a chance to load, this is not an issue with Linux; the problem must be with the hardware or maybe with BIOS settings.<BR /><BR />What is your server model?<BR /><BR />Is your CDROM drive internal or external? <BR /><BR />If it's external, how is it connected?<BR /><BR />If an external CDROM drive is connected using USB, you must choose to boot from USB. The "CDROM" boot option usually covers internal and SCSI-attached external CDROM drives only.<BR /><BR />Some external USB CDROM drives are too slow to start up, so that the boot sequence gives up before the CDROM drive is ready to access the disk. Only a firmware upgrade to the CDROM might help in this case; if such is not available, your only hope is to try a different model CDROM drive.<BR /><BR />MK Sat, 11 Jul 2009 19:02:28 GMT Matti_Kurkela 2009-07-11T19:02:28Z https://community.hpe.com/t5/operating-system-linux/window-nt-2000/m-p/4453435#M37321 hello,<BR /><BR />i want to format my server that install with window nt and replace withb fedora.before that i was setup 1st boot is cdrom.the problem is it cannot detect my cdrom for 1st boot.the cdrom was ok and can read the cd.anyone can help me Mon, 06 Jul 2009 08:53:42 GMT https://community.hpe.com/t5/operating-system-linux/window-nt-2000/m-p/4453435#M37321 Dayang 2009-07-06T08:53:42Z https://community.hpe.com/t5/operating-system-linux/window-nt-2000/m-p/4453436#M37322 Since the problem happens before the OS has a chance to load, this is not an issue with Linux; the problem must be with the hardware or maybe with BIOS settings.<BR /><BR />What is your server model?<BR /><BR />Is your CDROM drive internal or external? <BR /><BR />If it's external, how is it connected?<BR /><BR />If an external CDROM drive is connected using USB, you must choose to boot from USB. The "CDROM" boot option usually covers internal and SCSI-attached external CDROM drives only.<BR /><BR />Some external USB CDROM drives are too slow to start up, so that the boot sequence gives up before the CDROM drive is ready to access the disk. Only a firmware upgrade to the CDROM might help in this case; if such is not available, your only hope is to try a different model CDROM drive.<BR /><BR />MK Sat, 11 Jul 2009 19:02:28 GMT https://community.hpe.com/t5/operating-system-linux/window-nt-2000/m-p/4453436#M37322 Matti_Kurkela 2009-07-11T19:02:28Z