BIOS Update

NameOperating SystemVersionReleasedDownload
BIOS Update
27CN71WW.txt
2.61MB
Windows Vista 64bit,
Windows 7 64bit
7117 Feb 2011 Download
BIOS Update
27CN71WW64.exe
2.61MB
Windows Vista 64bit,
Windows 7 64bit
7117 Feb 2011 Download

Important information

Lenovo strongly suggests rebooting the system before applying the BIOS update.

Fixes and enhancements

The latest BIOS Version fixed all issues from previous ones.

Change history

27CN71WW64

The BIOS fixed 4G Ram solution.

27CN62WW

1. Updated N11PGS VBIOS

2. Fixed SVID/SSID loss issue when flashing bios completes

3. Added KL2G cookie for NV N11PGS

27CN58WW

1 Add NV 11PGS VBIOS to SBIOS

2 Updated ATI Madison-Pro: BR37033.001

3 Updated ATI Madison-XT : BR37035.001

27CN57WW

1 Updated kernel to 1.00.56

2 Modified Intel Widi function for Intel suggestion

3 Patch used memory that show 2.43G when plugged under UMA or ATI SG model

4 Fixed abnormal throttling function

27CN56WW

1 Updated KL2B cookie data for NV request

2 Updated NV VBIOS to 70.16.58.00.0C

3 Fixed P6000 CPU cannot enter S3 problem

27CN55WW

1 Combined NVIDIA VBIOS to SBIOS

2 Support TJ100 /TJ90 CPU thermal table

3 Support Intel 5150 wireless Lan

4 Removed SG item when VGA is NVIDIA

5 Only enable Intel port B for HDMI codec

6 Update Intel VBIOS to 2014

27CN54WW

Fixed 4 Core CPU shut down at 90.C issue

27CN53WW

1 Enable D3e mode

2 Fixed abnormal throttling issue

3 Modified thermal table for thermal team's request for KL3

Installation instructions

1. Locate the file 27CN71WW.exe that has been downloaded.

2. Double click the 27CN71WW.exe icon.

3. Click install

4. Click flash bios

5. Press Enter to start flashing. During the process, you are advised not to turn off the computer.

6. When the update finishes, the computer will automatically reboot for the changes to take effect.