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Posts: 9,096
Registered: ‎12-26-2009
Location: Toronto, Canada
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Re: Is a Fresh Win7 install on a W520 is a Death Wish?

It is sort of a firmware update. One that should be done with the system in a very stable state (nothing running, internet off, antiviruses/firewalls disabled, everything in the system tray closed, etc.) just in case. It also requires that you have the battery attached and the AC plugged in.

It fixes all of the CPU throttling issues, so under most circumstances, the CPU can clock up to full speed.
W520: 2720QM, Q2000M at 1091/1376, 21GB RAM, 500GB + 750GB HDD, FHD screen & MB168B+
X61T: L7500, 3GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
TPT1: 1839-23U
Posts: 307
Registered: ‎03-30-2011
Location: Canada
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Re: Is a Fresh Win7 install on a W520 is a Death Wish?

[ Edited ]

eladbari wrote:
i guess i can check the current version thru the bios itself.

You can check the current BIOS version by pressing the blue ThinkVantage key when you're in Windows.  It will show the BIOS version as well as other information at the top of the ThinkVantage Toolbox window that will open.

W520 i7-2720QM | 32 GB RAM 1333 MHz | FHD 1920x1080 | Quadro 1000M | Windows 10 Pro
Crucial M500 480GB mSATA + 2 x 1 TB Hitachi Travelstar 7200 rpm | BIOS 1.42