My internal DVD-ROM is malfunctioning and I would like to boot from a DVD using an external USB DVD-ROM. My computer is an IBM Thinkpad T22, there does not appear to be an option in the boot menu for USB.
I assume with "boot menu" you mean the BIOS boot menu (the one you get
to if you press F12 during start up, before the Windows screen appears.)
Note: I am not 100% sure if you can boot from a DVD externally.
I booted from the internal DVD drive fine with a Linux LiveCD. It is
possible that the T22 BIOS does not support external booting. Check you
version - the latest release from IBM is version 16ET32WW (1.12),
release date 06/03/2004. You find that info here.
I would really appreciate if you could come back here and leave a comment, so I (and maybe others?) can learn form this ;-)
Good luck!
The Thinkpad T22 cannot boot from a USB port. That's a limitation of the machine. The T23 can.
T22 *CAN* boot from USB without BIOS upgrade -- by first allowing BIOS to start minimal Linux system which contains necessary USB drivers from a supprted drive, CD, HDD and then transfer control to USB drive to boot full OS.
Detailed description, here:
Add a Commenthttps://help.ubuntu.com/community/BootFromUSB
The only option (which BTW I've tested & it works) is to use a 3-rd party bootloader with a USB Boot option like PLOOPKexec https://www.plop.at/en/plopkexec/index.h...
It can be installed over the top of all systems on existing HDD. U need to connect internal T22 HDD to another PC, ulpoad bootloader and it will boot every time T22 starts giving You option for USB boot at that time)
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You should enable legacy USB support from BIOS
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Thanks for the help. I upgraded the BIOS and tried many options. Unfortunately, no matter what I try, there is no "boot from USB CD" option. There is an option in the BIOD to disable the floppy controller, thereby allowing USB diskette drives to be assigned as A: but unless I can fool the computer to think that the CDROM is a disk drive, it looks like there is no way around this... Unless anyone has any other suggestions?
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