Blue Screen Lenovo G40

Blue screen occurred during Windows 7 installation (Message: 0x000000A5) – Lenovo G40-30/G50-30

Symptom

Lenovo G40-30/G50-30 may encounter the issues that cannot install Windows 7 or blue screen occurs during Windows 7 setup process with the message of 0x000000A5.

BSOD message: 0x000000A5 (0x00000011, 0x00000008, 0x…, 0x…)

Affected configurations

The above symptom may occur to the following systems:
Lenovo G40-30 Notebook
Lenovo G50-30 Notebook

The above symptom may occur under the following condition:
Running Windows 7 Setup disc / USB key

Solution

1. Shutdown computer. Press NOVO button, then press Arrow down key to select [BIOS Setup] and hit the Enter key.
   
   Fig.1
   
   Fig.2
2. If the BIOS version is lower than A7CN27WW, please update BIOS to a7cn48ww or above. You can download the latest BIOS from here. Copy a7cn48ww_32.exe to the root path of your FAT32 format USB disk. Try to boot to your USB disk via Novo button or press F12 while booting. Click a7cn48ww_32.exe to upgrade BIOS to A7CN48WW.
3. Switch to [Exit] page. Select [OS Optimized Defaults] and set to [Win7 OS].
   
   Fig.3
4. Select [Load Default Settings] and select [Yes].
   
   Fig.4
5. Press arrow key to switch to [Configuration] page. Select [USB Mode] and set to [USB 2.0]. After Windows 7 installation, please upgrade USB 3.0 driver and change back USB Mode value.
   
   Fig.5
6. Press arrow key to switch to [Exit] page. Select [Exit Saving Changes] option and select [Yes] to save the changes.
   
   Fig.6
7. When Lenovo LOGO appears, press “Fn+F12” to enter “Boot Manager” menu, select the USB key / ODD to setup Windows 7.
   
   Fig.7

Need additional information, visit the Windows Support Center

https://support.lenovo.com/ar/id/solutions/ht100535