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Preyash007
What's DOS?
Posts: 2
Registered: ‎01-29-2019
Location: GB
Views: 195
Message 1 of 3

Thinkpad Yoga 460 no display

Hi,

 

my lenovo yoga 460 have no display suddenly. cpu fan is running and system has poweron. 

 

for testing done below step.

 

remove ram -- will get ram missing beep.

disconnect battery and run from ac power -- no display on screen and from HDMI.

install another RAM -- no display.

 

 

any one have more idea?

 

please help.

 

many thanks,

 

Preyash

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JDGillis
Bit Torrent
Posts: 2,649
Registered: ‎12-11-2015
Location: US
Views: 180
Message 2 of 3

Re: Thinkpad Yoga 460 no display

You might try the following.

 

  • Disconnect AC power
  • Disconnect main battery
  • Disconnect Coin Cell battery (see page 78 of the Hardware Maintenance Manual)
  • Press and Hold the power button for 5-10 seconds
  • Let the laptop sit for a 5-10 minutes or so to ensure that the CMOS clears.
  • Reconnect everything and try booting up.

Did you recently do a BIOS update?

 

Best of Luck,

 

 

Preyash007
What's DOS?
Posts: 2
Registered: ‎01-29-2019
Location: GB
Views: 152
Message 3 of 3

Re: Thinkpad Yoga 460 no display

hi,
laptop was working day before and suddenly no display when try to start on next day morning.
i done everything you sugest but no luck. also i conect usb keyboard but there is no light on key board.

any other sugestion?

thanks,
Preyash

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