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T470 : strage behavior with random beeping

2019-06-30, 14:07 PM

Hello Guys ,I have a T470 : i5 7200u ,16 Gb ram , 512SSD
The problem with my laptop is that SOMETIMES and Randomly it starts beeping  and while that happens, some buttons on the keyboard gets stuck and the hole laptop starts acting wierd and becomes unusable .

 

To better describe the issue , I'm gonna do  one thing at a time:

 

keyboard : when it gets stuck , u can't write with it anymore as only ESC and ENTER buttons work , and E button actually writes  . 
Sometimes when your press ESC it starts beeping again

 

beeping : it's random , i know when a it refers to an error code ,it goes with a specific rythm, something repetitive that you can get the hang of it. In my case no the beeping it self is random it beeps now 2 beeps , after 10 second 4 beeps , after another random while it beeps again !! (while in use )

 

scenarios : Now when does this happens. ?? actually anytime except when booting (not during the boot or inside bios or anything like that )
# it can beeps exactly after the boot , where you enter your user password
# it can beep while watching a video :and when that happens the video stops by it self , the volume level decrease by it self , somethings wierd like that !!

and the  mouse primary button becomes secondary !!

 

I did an entire hardware scan with lenovo vintage : all good 
i reinstalled windows ,same problem. 
same problem accured with linux , things went crazy

PS :

I upgraded to 16 gb of RAM ( 2 corsair modules ) I Tested them and they were good to go

[BTW the problem started before the upgrades]
I upgraded to a 512 ssd ( from a 256 ) tested it and it was good

## I once had a rapair service : they changed the entire motherboard due to a power circuit malfunction ( and that was a very noticable beep and I was able identify the code )

My laptop still have arround 440 days of waranty 

If anyone have anyidea about what can possibly be the problem ,please let me know . 

 

Thank you for yout time and efforts 

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5 Posts

06-30-2019

TN

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Re: T470 : strage behavior with random beeping

2019-06-30, 14:25 PM
no it becomes muted and acts as a button is being held
I'm gonna try your proposition , i'll keep you posted on what ever happens
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Re: T470 : strage behavior with random beeping

2019-06-30, 14:29 PM

It is impossible to be  sure without seeing it, but this is probably a problem with the keyboard.  I am assuming no liquid was spilled onto the keyboard, though that will cause your symptoms.  Since you are still under warranty, call support.  The keyboard is hard to replace since the model is disassembled by removing the bottom cover and then taking parts out.  The keyboard is the last thing you get to,  In U.S., support is reached at 1-800-426-7378.  The same advice applies if you did have a liquid spill and purchased Accidental Damage Protection.


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
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Re: T470 : strage behavior with random beeping

2019-06-30, 14:38 PM

Hi @richk

 

Is the video wrong for T470 keyboard removal?  It does not show taking parts out for keyboard removal?

 

https://download.lenovo.com/lts/RTPW1570/FOF/RTPW1570-T470_REM_FRU_02_Keyboard.mp4

 


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 I do not work for, nor do I speak for Lenovo. I will not respond to unsolicited private messages. Questions belong in the forum so it may   help other forum members as well.
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5 Posts

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Re: T470 : strage behavior with random beeping

2019-06-30, 14:39 PM

Thank you but nothing was spilled over the keyboard
the thing is after restarting thing go back to normal even the keyboard , works perfectly .

only if the laptop beeps it starts to act strange .
I'm not in the US unfortunatly ,In my country waranty service is not smooth ( from experience )

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5 Posts

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Re: T470 : strage behavior with random beeping

2019-06-30, 14:44 PM
I tried your solution , the laptop didn't do anything unusual .
it got back to normal now , let's hope it doesn't beep again . if it does i'll let you know
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Re: T470 : strage behavior with random beeping

2019-06-30, 14:19 PM

The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc.


The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored - questions and answers belong in the forum so that others may contribute and benefit. ... GeezBlog

 

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2 Posts

12-02-2019

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Re: T470 : strage behavior with random beeping

2019-12-02, 20:34 PM
Emeer, richk, green5178
thnak you so far it works
hope it will last
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12-22-2019

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Re: T470 : strage behavior with random beeping

2019-12-22, 14:17 PM

I see a solution referenced, but dont see the actual solution......what worked?

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08-22-2020

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  • Message 10 of 11

Re:T470 : strage behavior with random beeping

2020-08-31, 11:25 AM

What happened with this? THere is no solution, yet you mark a solution here.


Please help, im facing the same issue.


Best,
Ash

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