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5 Posts

02-04-2017

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LENOVO B490 (20205) BLANK SCREEN

2017-02-04, 17:33 PM

hello bro's I  have Lenovo b490 (20205) after change all BIOS setting to defaults my Laptop Blank Screen but fan , h.d.d , charging working fine I press power button turn on but turn off immediately then power on but no display how to fix pls help me brothers ....

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3815 Posts

12-24-2015

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Re: LENOVO B490 (20205) BLANK SCREEN

2017-02-06, 9:08 AM

Hi there, Shaagul        -

 

Thank you for writing in to the Lenovo Forum - happy to have you here today.

 

You can start by flushing out all static, remove battery and AC adaptor and hold down power button for about 15 seconds.

 

Try re-seating the HDD modules & check if issue still persist or not. Click here for HMM

 

Update us how it goes.

 

 

 

 

Regards,

 

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5 Posts

02-04-2017

India

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Re: LENOVO B490 (20205) BLANK SCREEN

2017-02-07, 3:12 AM
I tried not working any other solution
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3815 Posts

12-24-2015

India

2177 Signins

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  • Posts: 3815
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Re: LENOVO B490 (20205) BLANK SCREEN

2017-02-07, 6:33 AM

Pull CMOS battery and wait ~1min. Push power button with everything unplugged to discharge any lingering voltage.

 

Update us how it goes.

 

 

 

 

Regards,

 

Tap that kudos button if I helped 
if you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! 

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5 Posts

02-04-2017

India

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Re: LENOVO B490 (20205) BLANK SCREEN

2017-02-07, 15:58 PM

Sir I tried no luck not working any other idea

 

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3815 Posts

12-24-2015

India

2177 Signins

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  • Posts: 3815
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Re: LENOVO B490 (20205) BLANK SCREEN

2017-02-08, 6:02 AM

There could a chances of motherboard failure. I would recommend contacting Lenovo service centres and applying the normal phone techniques to get it replaced promptly.

 

Schedule a Call-back for faster support

English 24 hours a day 7 days/week 

During business hours, you may also engage with live chat support.

 

Update us how it goes.

 

 

 

 

Regards,

 

Tap that kudos button if I helped 
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! 

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5 Posts

02-04-2017

India

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Re: LENOVO B490 (20205) BLANK SCREEN

2017-02-08, 17:17 PM

 sir this is not motherboard problem I remove ram I hear beep sound  .

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3815 Posts

12-24-2015

India

2177 Signins

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  • Posts: 3815
  • Registered: ‎12-24-2015
  • Location: India
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Re: LENOVO B490 (20205) BLANK SCREEN

2017-02-09, 5:49 AM

Please click here to know better about beep patterns.

 

Update us how it goes.

 

 

 

 

Regards,

 

Tap that kudos button if I helped 
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! 

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1 Posts

12-03-2019

India

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  • Message 9 of 10

Re: LENOVO B490 (20205) BLANK SCREEN

2019-12-03, 7:25 AM

i have do nothing happened

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2 Posts

04-13-2021

India

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  • Message 10 of 10

Re:LENOVO B490 SPLASH SCREEN NOT ENTERING INTO OS (WIN 7)

2021-04-13, 13:49 PM

Dear Team,

 

While turn on the laptop, it simply shows logo repeatedly. Not get into OS.

 

Kindly resolve this issue asap

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