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Shaagul
Blue Screen Again
Posts: 4
Registered: ‎02-04-2017
Location: IN
Views: 3,049
Message 1 of 8

LENOVO B490 (20205) BLANK SCREEN

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 ....

Retired Support Specialist
Posts: 3,772
Registered: ‎12-24-2015
Location: IN
Views: 2,929
Message 2 of 8

Re: LENOVO B490 (20205) BLANK SCREEN

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,

 

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"

Shaagul
Blue Screen Again
Posts: 4
Registered: ‎02-04-2017
Location: IN
Views: 2,912
Message 3 of 8

Re: LENOVO B490 (20205) BLANK SCREEN

I tried not working any other solution
Retired Support Specialist
Posts: 3,772
Registered: ‎12-24-2015
Location: IN
Views: 2,906
Message 4 of 8

Re: LENOVO B490 (20205) BLANK SCREEN

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"! 

Shaagul
Blue Screen Again
Posts: 4
Registered: ‎02-04-2017
Location: IN
Views: 2,891
Message 5 of 8

Re: LENOVO B490 (20205) BLANK SCREEN

Sir I tried no luck not working any other idea

 

Retired Support Specialist
Posts: 3,772
Registered: ‎12-24-2015
Location: IN
Views: 2,877
Message 6 of 8

Re: LENOVO B490 (20205) BLANK SCREEN

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"! 

Shaagul
Blue Screen Again
Posts: 4
Registered: ‎02-04-2017
Location: IN
Views: 2,864
Message 7 of 8

Re: LENOVO B490 (20205) BLANK SCREEN

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

Retired Support Specialist
Posts: 3,772
Registered: ‎12-24-2015
Location: IN
Views: 2,855
Message 8 of 8

Re: LENOVO B490 (20205) BLANK SCREEN

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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