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Token Ring
Posts: 139
Registered: ‎01-29-2009
Location: United States
Views: 175
Message 1 of 4

W700 questions

I'm still using my trusty W700 with Windows 7 Professional RAID 1.

It's been on it's docking station since day 1.

I have two questions.

1) Being that it's always docked is there any reason to believe the CMOS battery needs to be replaced anytime soon?

2) If I choose to finally upgrade to Windows 10 Professional before January 2020 are there any outstanding issues

I should be aware of? Specifically will my RAID 1 setup continue to run?

Should I just stay on Windows 7? It's not given me any problems.



Community SeniorMod
Community SeniorMod
Posts: 8,971
Registered: ‎01-01-2010
Location: US
Views: 153
Message 2 of 4

Re: W700 questions

I don't think being docked adds or shortens the CMOS battery life.  The CMOS battery and the main battery are now about 9 years old, so they will be ending the end of their useful life if they haven't already been replaced.  Staying on win 7 is a personal choice and it depends on many factors.  I have an even older T60 running on windows 7 that I need a couple of times per year to run a piece of software that is licensed on that machine, will not rin on 10 and is no longer available.  In general, I have upgraded everything else I have to windows 10.  I would expect that a RAID 1 set would work fine, BUT W700 is not an officially supported system.  I always suggest getting a good backup before doing anything related to configuration and in this case, I think it is really important.


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
Token Ring
Posts: 139
Registered: ‎01-29-2009
Location: United States
Views: 150
Message 3 of 4

Re: W700 questions

Thank you for your candor. 

All the best,


Posts: 354
Registered: ‎10-19-2008
Location: US
Views: 146
Message 4 of 4

Re: W700 questions

I'd second that point about the batteries.  Try to locate one or more authentic Lenovo battery packs to have as spares -- the more widely available thrid-party ones are often inferior in capacity and longevity.  CMOS batteries are more standard and should be easy to find.


In my experience with the W700 (which I still dearly love but rarely wake-up, as my P70 serves as main-driver), Windows 10 Pro seems to work fine, even though Lenovo is not making new drivers available.  I haven't updated from Anniversary Edition so cannot speak to latest builds.


If you really want to be safe, buy a couple of new 2.5" drives, make an image copy of your current system and experiment with upgrading those, leaving the original set intact.  Laptop hard drives cost next to nothing these days.  You can buy the drive caddies, if you prefer to simply swap-out a new set of drives without bothering to remove all the tiny screws, etc. 

Here is a link to one supplier (although there are like more online):


Best of luck.  


P70, Xeon 1505 CPU, 64 GB ECC RAM, Samsung 970 Pro 1 TB + 512 GB NVMe Drives, 1 TB HDD, DVD-RW, 4 K Display, NVIDIA Quadro M4000
W700 model 2757-CTO (8 GB RAM, Crucial MX-100 SSD + Hitachi TravelStar 1 TB 7200 RPM Drives, Bluray R/W, NVIDIA Quadro FX3700M, WUXGA); Windows 7 Ultimate SP-1, W700 Mini-Dock

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