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SaurabhR
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Posts: 3
Registered: ‎09-03-2019
Location: IN
Views: 533
Message 1 of 5

Unable to change bios settings -- Ideacentre 720

I recently set the supervisor and power-on passwords on my Ideacentre 720 bios (with secure boot on). The passwords I chose were both identical. After turning off and  accessing bios set-up, I used the password, and could enter the set-up. But now the bios is read-only and does not allow any change, except to change the power-on password (though not delete it completely). I changed the power-on password, thinking that making it different from the supervisor password may help. But again when I re-start the computer, the status is the same.

 

I tried entering the supervisor password when prompted while entering the bios set-up, as suggested in some other posts. But only the power-on password works.

 

So I am unable either to change anything in the bios set-up nor find a way to use the supervisor password to allow any other changes.

 

Incidentally, I decided to set the supervisor and power-on passwords recently because I was not able to boot. I got the message "Error 1962: no operating system found", and I was hoping to make some changes which will allow either Windows or Ubuntu 16.04 to be booted. By the way, I can boot linux using a USB drive.

 

I have been using the F1 or F12 key to go to the bios set-up. Is there any other way which will ask for supervisor password?

 

I will appreciate any suggestions which will help to get out of the read-only bios, and also finally Error 1962.

 

Thanks in advance

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Support Specialist
Posts: 479
Registered: ‎11-04-2019
Location: PH
Views: 316
Message 2 of 5

Re: Unable to change bios settings -- Ideacentre 720

Hi @SaurabhR

 

Welcome to Community Forums!


We do apologize for the late response.

 

Click here for the read-only Bios issue.

 

The error 1962 problem is caused of incorrect settings in the BIOS or the HDD is not being detected by BIOS . You have to fix this problem by changing boot priority in your PC BIOS.

 

NOTE: You can only Resolve this problem after  read-only Bios issue is resolved because you'll be changing settings on BIOS.

Change boot priority in BIOS

  1. When you see the Error 1962: No Operating System Found display, press and hold the “Ctrl + Alt + Delete” keys at the same time to reboot your PC.
  2. While booting, press the F12 key several times to launch the BIOS setup. After you see the Setup box, Hit “Enter”.
  3. Click on the “Startup” tab” > Select CSM and hit “Enter” key > Select the “Enabled” option.
  4. Locate “Boot Priority” and hit “Enter” key > Change current option of Legacy First to UEFI First.
  5. Hence, press the F10 key and choose “YES”. Then wait for your PC to reboot.

After your PC has been rebooted, the error message will be cleared.

 

Let us know how it goes

 

Regards​

 

 

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SaurabhR
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Posts: 3
Registered: ‎09-03-2019
Location: IN
Views: 304
Message 3 of 5

Re: Unable to change bios settings -- Ideacentre 720

Thank you for replying (even though late!).

 

Firstly, the main problem, of read-only BIOS is not solved. The link you have given does not help. I will reply to that separately.

 

The error 1962 is solved, and unlike what you have said, it was resolved WITHOUT solving the read-only BIOS issue. The point is that

on using F12 (once, does not need repeated use), I get the option to boot from a USB key. So I used Ubuntu 16.04 bootable USB key,

installed Ubuntu 16.04 using fresh partitions of EFI, Ext4 and swap, used boot-repair, and then the error 1962 disappeared. I could boot without the USB key. This solved the problem for a while -- the issue was with the hard disk, so the error kept reappearing because the file systems kept getting corrupted. Finally, with a new hard disk, the error 1962 problem is fully solved.

 

However, the BIOS continues to be read-only. Even though I know the admin password, it never asks for it. I can only boot with power-on password. The BIOS never allows me to change anything. Any different suggestions?

Support Specialist
Posts: 479
Registered: ‎11-04-2019
Location: PH
Views: 293
Message 4 of 5

Re: Unable to change bios settings -- Ideacentre 720

Hi @SaurabhR

Did a research and found the Lenovo Matrix and verified that this model that you have is not on the list of certified Lenovo computers that are compatible for Linux operating system. Being said that, your BIOS configuration may have been corrupted/bricked during the your installation of Ubuntu on your device. Click here for possible solution that you can go through.

 

Hope this help answer your query.

 

Regards​

 

 

Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.​

SaurabhR
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Posts: 3
Registered: ‎09-03-2019
Location: IN
Views: 102
Message 5 of 5

Re: Unable to change bios settings -- Ideacentre 720

Thank you for your link to possible solution. However, my situation was somewhat different, so I did not try the solution indicated at that link.

 

For the sake of someone else who may a problem like mine, I would like to say that my problem is solved, and in case it helps others, I would also like to say how it was solved. This means that my BIOS configuration was not corrupted/bricked.

 

My main problem was that I had set passwords for power and administration. Afterwards, the BIOS became read-only, and even though I remembered the administration password, it never asked me for this password. I was always asked for the power password. Eventually, I changed the hard disk which had problems. After installing the new hard disk, I installed Ubuntu 16.4 on the machine afresh. I did not need to make any changes to the BIOS configuration. However, after installing Ubuntu, I went to look at the BIOS configuration out of curiousity. I found that now I could change the configuration. So I could delete both administration and power passwords, which I did not need.

 

In short, it seems that a corrupted or failing hard disk was the problem for BIOS being read-only, and a new hard disk solved the problem.

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