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  • Lenovo G770 Settings Graphics Dedicated Memory in BIOS

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    Share With Friends (Updated 6-8-2010)
  • Article ID:
    208
  • Date Created
    Wednesday, December 31, 2014
  • Last Updated
    Wednesday, December 31, 2014
  • This Article Has been Viewed
    2738 times
  • Short Desc
    Lenovo G770 has the graphics dedicated memory set at 64mb in the BIOS, in order to change this setting, you will need a MOD or BIOS HACK.
  • Details
    The Lenovo G770 BIOS come default locked, this removes all the consumers ability to change settings within the BIOS, to fit their needs. Such things as the Dedicated Memory for the Graphics Card, as well as other much needed settings.
  • Recreate Issue
    Lenovo G770 comes with the BIOS Locked, the only way to unlock the BIOS is to run a MOD against the BIOS to unlock it. (Described in the Resolve Section below) this will then give the consumer the ability to change the dedicated memory for the graphics card.
  • Resolve Issue
    To Resolve this issue.
    First you have to run a MOD against your BIOS.
    To do this, please follow the information provided here thoroughly, and do not miss any steps, as we cannot be held responsible for any damage done to your computer.

    Download the BIOS from here
    LENOVO-40CN07WW_V3.06__UlkMenus«
    Launch the .exe file, and extract the .rom file.
    Then follow the information below.


    Format USB Drive to Fat32
    Rename the downloadable file
    LENOVO-40CN07WW_V3.06__UlkMenus.rom
    to
    PIWG1.bin
    Copy the .bin file over to your usb fat32 drive.

    Follow instruction below.
     
    (The first part here, is from my own personal experience with running the MOD on my BIOS.
    Read it first, then read the Numbered list below, and follow the instructions, which ever work for you.... GOOD LUCK.

    In the last step, once you cut the system back on, you do not have to hold down the FN+B key the entire time.
    I never did get a first Beep. It took about 2 minutes for it to start beeping.
    Once the beeping starts, give it about 4 straight beeps.
    Unplug the cable, and pull the battery out.
    Count to 5
    Put the battery back in, and boot the system.
    Press F2 to get into the BIOS, and you should have everything that you need.)


     
    1. turn off the laptop
    2. Unplug the power cord.
    3. insert the flash drive
    4. press and hold Fn-B key combination
    5. while holding Fn-B, plug in the power cord
    6. still holding Fn-B, press Power button
    the computer will spin up the fan but the screen will remain black.
    If it finds the appropriate file, it'll beep again, read it in,
    and will start flashing the BIOS. Once it's completed flashing the BIOS,
    it will continuously beep, the power button will not respond, neither
    will any key combinations.
    Unplug the laptop from the power, pull the battery to kill the laptop.
    Put the battery back in, press the power button and it SHOULD power up and run without issue.



    To change the dedicated memory for your graphics card, perform the following steps.

     
    Get into BIOS [F2]
    Go to [Advance]
    Then to [Video Graphics]
    Then go [Internal Graphics]
    Choose the 4th one down [IGD - DVMT Pre-Allocated] = 128 (Or higher, depending on your card)
    Save your setting before your exist the BIOS.

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