Blank Screen After Change BIOS Graphics Apperture Size

masruri3

Commendable
Feb 19, 2016
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0
1,510
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Help, accidently i change my graphics bios apperture to 512 mb. After that my Notebook wont boot just black Screen without any Sound, but my fan is running with some of indicator.

What should i do?
Can hard reseting bios by take off cmos battery fix it?

My Notebook Lenovo g400s i5 gt720m non-touch
 
Hi,

If you changed some settings in BIOS that caused the problem, the only way around it to yes reset BIOS by removing the CMOS battery off the laptop then put it back in and that should reset it. :) If these will not work here are more troubleshooting steps.
- Start with a hard reboot, unplug it's AC adapter then press and hold the power button for 20 seconds then try booting it.
- If it doesn't work reseat the RAM, remove them all for couple of second then put them back in making sure everything is seated properly.
- Again if these doesn't work but you can hear the laptop on but with no display, connect an external monitor and see if it would display anything because if it does that means it's the built in display that is faulty.
- Next to try is if your AC adapter is still okay by trying another AC adapter that has the same voltage and see if it would work.
 
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