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2 Posts

09-24-2009

Washington DC

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T400 beeping WHILE sleeping - how to disable?

2009-09-24, 15:23 PM

My T400 goes to asleep and beeps a couple times every 5 minutes or so.  

 

Example:

5 minutes

beep...30 secs...beep...30 secs....beep...30 sec.....beep

5 minutes

 

Everything else is fine, it doesn't freeze or anything, resumes perfectly.  The beeping started after I upgraded all the drivers including BIOS (I was getting BSOD with IRQL_NOT_LESS_OR_EQUAL errors - but updating drivers seems to have taking care of that issue).  

 

Thanks. 

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3 Posts

03-09-2009

Philadelphia

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Re: T400 beeping WHILE sleeping - how to disable?

2010-01-17, 19:14 PM

My T400 is doing the same thing -- beeping while asleep. This is very annoying, as I will often put my computer to sleep before I go to sleep, and the beeping will wake me up in the middle of the night. That is, it doesn't start beeping immediately after it goes to sleep, but several hours later.

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8489 Posts

01-13-2008

US

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Re: T400 beeping WHILE sleeping - how to disable?

2010-01-17, 19:22 PM

Complete WAG:  do things like low battery alarm function while asleep?  If so, is your low battery threshold set way high?

 

Z.

 

 


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3 Posts

03-09-2009

Philadelphia

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Re: T400 beeping WHILE sleeping - how to disable?

2010-01-17, 19:25 PM

Not a bad guess, but it's actually plugged in to AC power when this happens! (And I thought it might be the power temporarily going out, as the machine will of course beep when you pull out the AC adapter, and beep again when you put it back in, but it turns out it doesn't do this while it's asleep.)

 

If I mute the volume before it goes to sleep it won't beep. But it's hard to remember to do this every time.

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69 Posts

07-31-2009

Hudson Valley

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Re: T400 beeping WHILE sleeping - how to disable?

2010-01-20, 22:59 PM

I recall seeing an unusual option in Power Manager which keeps the network adapter alive in sleep mode (I think it was called quick resume or something like that) and can be set to beep periodically when in this configuration.

 

Supoosedly it was for someone who had to move between conference rooms and didn't want to drop the network connection when closing the lid...   Don't know if this is your scenario, but it might be.  In any case, it seems odd it would enable itself spontaneously.

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332 Posts

12-01-2009

Czech Republic

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Re: T400 beeping WHILE sleeping - how to disable?

2010-01-21, 10:43 AM
Well, i think, this can be disabled in BIOS.
----------------------------------------------------
Lenovo T440s, 20AQ0067MC, Windows 8.1 Pro x64 UEFI, Samsung 840 EVO SSD 250 GB, 8 GB RAM
Lenovo T430s, 2356LQG, Windows 8.1 Pro x64 UEFI, Intel 520 SSD 180 GB, 8 GB RAM
Lenovo T420s, 4171-6SG, Windows 8 Pro x64 UEFI, Intel 320 SSD 120 GB, 8 GB RAM
Lenovo T400s, 2808-CYG, Windows 7 Ultimate x64
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