Hi, I am a noob who was given a newer laptop Toshiba L55 A5226 with a 5400 HD.
I had, what I thought was a clever plan at the time, to use my old laptop's 7200 HD with Ubuntu to replace.
Both HDs worked perfectly fine prior to the replacement.
First, there was an error claiming no bootable drive when I tried to start the Toshiba.
I didn't know the bios password (and neither did my friend who had the laptop sitting in a garage for years) so I don't know how but I was able to get it to boot off a live ubuntu usb and "Try Ubuntu"
I was able to see the 7200 HD (so the HD hasn't crashed) and even able to copy some files but it kept giving me errors that I did not have root permissions to the HD.
I did have a password for root on the HD but I never seemed to have the opportunity to put that password in.
I tried repairing the Grub per instructions here.
https://www.howtogeek.com/196740/how...-it-wont-boot/
GRUB wasn't working so I repaired it
https://www.howtogeek.com/114884/how...ntu-wont-boot/
Then I entered recovery mode & clean, dpkg fine.
system summary showed that several of the parameters were not matching but could not be fixed.
It all seemed to work except that fsck claimed that /dev/sda5 was mounted and so failed.
I did access root to try to fix and MAY have successfully unmounted sda5.
whatever I did, the system restarted.
Now, however, regardless of whether I press shift or other keys it goes to a screen with Toshiba splash as well as Ubuntu.
But then the screen appears to freeze and I have left it there for an hour without progression.
when I try to turn off, some process seems to be running sda5 but can't see because it just flashes the info and just shuts off
the live USB ubuntu does not boot, and attempts to go to the bios are met with a claim I must put in the supervisor password or F11 to get limited access.
I have tried removing the bios battery for two hours and looked for but not found the "two contacts" that I must bridge to get the bios to reset.
I even tried this Ctrl then Tab then Ctrl then enter thing I saw on YouTube but it was not successful.
So at this point I seem to only get to the Toshiba/Ubuntu screen or the Bios supervisor password screen.
Please advise. thanks.
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