T420s Bios - No RTC utility to self-boot?
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Spiderbird
- Posts: 3
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- Location: Irving, TX
T420s Bios - No RTC utility to self-boot?
Hi there,
I've been looking up and down the Lenovo website for a BIOS update that allows you to set an RTC alarm to wake/boot at a certain time/date. I can't seem to locate it in my Thinkpad 420s BIOS "Power" menu, and I'm beginning to suspect that the T420s can't do this.
is this feature not available with this particular laptop/BIOS combo?
Thanks in advance!
I've been looking up and down the Lenovo website for a BIOS update that allows you to set an RTC alarm to wake/boot at a certain time/date. I can't seem to locate it in my Thinkpad 420s BIOS "Power" menu, and I'm beginning to suspect that the T420s can't do this.
is this feature not available with this particular laptop/BIOS combo?
Thanks in advance!
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ajkula66
- SuperUserGeorge

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Re: T420s Bios - No RTC utility to self-boot?
Welcome to the forum!
As far as I know, there's no way of enabling the feature that you're interested in.Spiderbird wrote:
is this feature not available with this particular laptop/BIOS combo?
...Knowledge is a deadly friend when no one sets the rules...(King Crimson)
Cheers,
George (your grouchy retired FlexView farmer)
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Cheers,
George (your grouchy retired FlexView farmer)
AARP club members:A31p, T43pSF
Abused daily: R61
PMs requesting personal tech support will be ignored.
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Spiderbird
- Posts: 3
- Joined: Mon Jan 26, 2015 11:11 pm
- Location: Irving, TX
Re: T420s Bios - No RTC utility to self-boot?
Ahh crud. I thought as much. Thanks for clarifying that.
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RealBlackStuff
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Re: T420s Bios - No RTC utility to self-boot?
The only usable/viable option is Wake-On-LAN, where you need to set an external PC/Server to send a Magic Packet via LAN cable to that T420s at given time(s).
Check your Bios/Config/Network Setup/WOL.
Check your Bios/Config/Network Setup/WOL.
Lovely day for a Guinness! (The Real Black Stuff)
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Check out The Boardroom for Parts, Mods and Other Services.
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Spiderbird
- Posts: 3
- Joined: Mon Jan 26, 2015 11:11 pm
- Location: Irving, TX
Re: T420s Bios - No RTC utility to self-boot?
Yep, was going to go down that route but looking for stand-alone wake up without the need of a second comp.RealBlackStuff wrote:The only usable/viable option is Wake-On-LAN, where you need to set an external PC/Server to send a Magic Packet via LAN cable to that T420s at given time(s).
Check your Bios/Config/Network Setup/WOL.
Going the route of waking up from sleep mode instead of shutting down completely. Will use Task Manager to do that on Friday and manually reboot Sunday night.
Thanks for the response!
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