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panty
Paper Tape
Posts: 6
Registered: ‎02-07-2016
Location: IL
Views: 327
Message 1 of 6

G510 BIOS stuck, can't change settings

Recentely the time on my OS gets reset to a wrong time everytime, and when I go to the BIOS, I see that it keeps resetting there.

 

Edit: Also, I can't change any other settings besides the time, as it gets stuck everytime I touch other settings?

Is the battery the cause? Or maybe a virus? Other thing?

Is it hard to replace the CMOS battery there?

 

Ty!

SeniorGuru
Posts: 2,346
Registered: ‎11-07-2014
Location: US
Views: 293
Message 2 of 6

Re: G510 BIOS stuck, can't change settings

It does sound like the back up battery is failing.  You can use the support tab to look up your system, download the maintence manual and look thru the PDF for the back up battery (search it) and it should be easily replacable.

 

Good luck.

 

CB


I do not work for Lenovo, I only provide suggestions based on my personal willingness to help others. All advice and comments are based on my experience, and do not reflect Lenovo policy, terms or conditions.
Retired Support Specialist
Posts: 915
Registered: ‎07-05-2016
Location: GB
Views: 286
Message 3 of 6

Re: G510 BIOS stuck, can't change settings


@panty wrote:

Recentely the time on my OS gets reset to a wrong time everytime, and when I go to the BIOS, I see that it keeps resetting there.

 

Edit: Also, I can't change any other settings besides the time, as it gets stuck everytime I touch other settings?

Is the battery the cause? Or maybe a virus? Other thing?

Is it hard to replace the CMOS battery there?

 

Ty!


Hi Panty

 

Definitly sounds like the CMOS battery is dead or dying. HERE is the hardware maintenance manuel for you G510

 

Hope this help you and let us know how you get on


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panty
Paper Tape
Posts: 6
Registered: ‎02-07-2016
Location: IL
Views: 279
Message 4 of 6

Re: G510 BIOS stuck, can't change settings

Thanks guys, before I do that, I noticed 1 more thing: When I disconnected everything from the laptop, I was able ot change the BIOS settings, is it still a failing CMOS battery symptom? (Maybe many connected devices on startup require more battery power?)

 

**Where on the manual is the CMOS replacement part? Couldn't find

 

 

Retired Support Specialist
Posts: 915
Registered: ‎07-05-2016
Location: GB
Views: 274
Message 5 of 6

Re: G510 BIOS stuck, can't change settings


@panty wrote:

Thanks guys, before I do that, I noticed 1 more thing: When I disconnected everything from the laptop, I was able ot change the BIOS settings, is it still a failing CMOS battery symptom? (Maybe many connected devices on startup require more battery power?)

 

**Where on the manual is the CMOS replacement part? Couldn't find

 

 


Hi Panty,

 

Unfortunately the manuel doesnt show the battery itself, Normally on any laptop, it is a CR2032 but the best option would be to follow the manuel to take the machine apart and youo will see it on the main board.

 

Hope this help you and let us know how you get on


=====================================================================================
Did someone help you today? 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.

Community Moderator
Community Moderator
Posts: 4,286
Registered: ‎11-18-2012
Location: US
Views: 270
Message 6 of 6

Re: G510 BIOS stuck, can't change settings

Welcome to the Lenovo Community Panty !

 

I've included a link below to CMOS batteries they sell on eBay for your model.  It will give you an idea of what to look for. 

 

http://www.ebay.com/sch/i.html?_from=R40&_trksid=p2047675.m570.l1313.TR0.TRC0.H0.Xlenovo+g510+cmos+b...

 

The picture found on this website will give you a location of the CMOS battery.  It is plugged in the lower left hand corner of the motherboard that is pictured....

 

https://www.aliexpress.com/item/Laptop-motherboard-for-Lenovo-G510-VIWGQ-GS-LA-9641P-DDR3-Fully-test...

 

With any replacement CMOS battery, always check to see that the wire color pattern on the battery's plug is the same as your original. 

 

 



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