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puneet610
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Posts: 13
Registered: ‎02-08-2016
Location: UAE
Views: 3,834
Message 1 of 11

LENOVO G580 20157 BIOS PROBLEM

After updating the bios 62cn40ww the laptop performance declined, then I was advised to update to 62cn97ww bios version hoping to make it better, but it became worse. I need to know the bios version that came preinstalled from factory.

Can you give me a list of bios version for G580 20157? As I want to downgrade the bios to factory one.

sclexman
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Posts: 4,580
Registered: ‎11-22-2011
Location: US
Views: 3,802
Message 2 of 11

Re: LENOVO G580 20157 BIOS PROBLEM

What OS are  you running? ie,win 7 or 8. 32 bit or 64 bit?

version 40 is for win 7.

version 97 is for win 8

 

Did you upgrade from 7 to 8?

http://support.lenovo.com/us/en/downloads/ds036553

 

puneet610
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Message 3 of 11

Re: LENOVO G580 20157 BIOS PROBLEM

Hi sclexman

I am currently running Windows 10 64 bit with BIOS version 97.

sclexman
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Location: US
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Message 4 of 11

Re: LENOVO G580 20157 BIOS PROBLEM

puneet610
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Location: UAE
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Message 5 of 11

Re: LENOVO G580 20157 BIOS PROBLEM

 It's got 4gb RAM. I have tried Windows 8 and 8.1 as well, the performance was still bad. With the factory BIOS installed, the performance was good. But after the BIOS update the performance degraded. I don't remember the factory BIOS version.

sclexman
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Posts: 4,580
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Message 6 of 11

Re: LENOVO G580 20157 BIOS PROBLEM

A G580 review[not your exact model].  It states win8 should run just fine.

 http://www.notebookcheck.net/Review-Lenovo-IdeaPad-G580-Notebook.81260.0.html

 

You may have another issue, not BIOS related(?).

To be on the safe side, I would install win7 on your machine.

puneet610
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Message 7 of 11

Re: LENOVO G580 20157 BIOS PROBLEM

Yeah tried that, installed Windows 7 too,but couldn't regain the performance. Games started to lag, the laptop overheats even without any software or process running. I got the fans checked too, they are fine. 

sclexman
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Posts: 4,580
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Location: US
Views: 3,774
Message 8 of 11

Re: LENOVO G580 20157 BIOS PROBLEM

Since you run games, you may want to add 4GB of memory and stick with win 8. 

You need to task manager>performance to find your bottleneck. 

 

http://www.game-debate.com/laptop/index.php?la_id=531&laptop=Lenovo%20G580-20157

puneet610
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Message 9 of 11

Re: LENOVO G580 20157 BIOS PROBLEM

The games that used to work with factory BIOS version, doesn't work anymore. They just lag . I'll take your advice and try upgrading the RAM and see if there is any improvement in performance.

Abdelfattahben
Punch Card
Posts: 17
Registered: ‎09-19-2016
Location: MA
Views: 3,556
Message 10 of 11

Re: LENOVO G580 20157 BIOS PROBLEM

any update about the improvement in the performance?
any update about the Bios issues?

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