11-24-2017 03:55 PM - last edited on 11-25-2017 07:57 AM by Majestic
As per subject, after installing Ubuntu 17.10, the BIOS has been changed with two results:
1) it's not possible to save new BIOS settings - after re-booting, the old settings are restored
2) not possible to boot from the USB - not recognized anymore so for many users without a cd-rom (as per Lenovo Y50-70) we cannot change OS
I've reported this major bug on Ubuntu bug tracker here: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1734147 please reply if you are affected too.
If you cannot see the post, login in and then search the post named: "Ubuntu 17.10 corrupting BIOS - many LENOVO laptops models"
So far the following models have been affected:
Mod's Comment: Please do not start multiple posts on same issue as this only splinters the discussion. Instead, keep your current discussion updated with any additional information. Your duplicate has been removed. Thanks !
11-24-2017 11:49 PM - last edited on 11-25-2017 07:49 AM by Majestic
I've had the same problem. After trying different solutions, I had to remove the bios chip with hot air, read the content with a usb programmer, and flash a new chip. So now i can remove the secure boot and saving on exit...
I know this is an extreme solution, but I hope I can help someone find a simpler solution.
Mod's Edit: OP had two threads on same issue. Merged this reply into existing discussion.
11-25-2017 02:44 AM
Same problem with lenovo G50-70. After upgraded to ubuntu 17.10 bios cannot be changed. I cannot see USB boot option.
I have a CD-rom on my PC but I cannot boot from CD either. Any help ? Or will I have to use windows 8 forever ?
After upgrade to ubuntu 17.10 I had problem and had to delete linux and got back windows 8.
11-25-2017 10:06 AM - edited 11-25-2017 10:12 AM
ı have same problem with my Z 50-70 after upgrading to ubuntu 17,10
and i have a "volsnap.sys" error on win10 after the upgrading
** i cant boot from any cd or usb
11-30-2017 09:51 PM - edited 11-30-2017 09:57 PM
Disaster, i managed to resolved by reflashing my BIOS.
2 Ways of doing it.
A. Solder out, use usb programmer and load the firmware, solder in back to mobo. (i did this method)
B. Use bios recovery option
- Download the correct firmware from lenovo website (https://pcsupport.lenovo.com/my/en/products/LAPTOPS-AND-NETBOOKS/LENOVO-Z-SERIES-LAPTOPS/LENOVO-Z50-...)
- Use 7zip to extract the installer and to obtain the flash file. (isflash.fd)
- Follow the HowTo guide from https://www.bios-mods.com/bios-recovery/insyde-bios-recovery/
12-01-2017 05:06 AM
Same problem on my Lenovo G50-30
I had ubuntu installed and since then i cannot access bios settings.
laptop just boots to "Ubuntu boot entry not found", also tried removing HDD and Ram as told and still no luck.
12-03-2017 06:47 PM
Tried clean install Ubuntu 17.10 on IdealPad 110-15ISK had similar experience with weird bios issue. In fact at one point I boot into bios and got all the hidden settings displayed. Things like over clocking CPU, and other clock settings. Many new menu's not typically shown. I set everything to default settings and hoped for the best. Lucky on re boot bios came back with just clock and date off. Yes, something really wrong here with bios being so profoundly affected. I managed to get back to Windows 10 through USB install image. Definately not trying Ubuntu for a while. A long while.
12-05-2017 10:44 AM