N500 won't wake up from standby when on battery

i have a lenovo 3000 n500 laptop, and whene i set my laptop in standby whit the battery power it's never wake up until a restart the computer,but whene the computer sitting at the AC power it wake's up normaly.
cant some one help me with this,pleas.
Moderator: Edited Subject to describe problem.
Message Edited by bananaman on 06-13-2009 02:47 PM

Hey Zyzx,
I have seen this type of condition before in a USB connected printer. How do you have the printer connected to the Windows XP Home Edition desktop PC? (USB or Network connected)
If the printer is connected by a USB cable, then you may try a different USB port on the PC and uninstalling/re-installing the USB Controller on the PC.
To perform the uninstall/re-install of the USB controll follow the steps listed below.
Boot into Safe Mode on the PC
Click on the Start menu of the PC
Right Click on My Computer
Select Manage out of the list
Select Device Manager in the list on the left
Right click on the section titled "Universal Serial Bus controllers" and select Properties
Uninstall the section and restart the PC to perform the re-install
I will look into this issue more for you and get back with you.
-------------How do I give Kudos? | How do I mark a post as Solved? --------------------------------------------------------
I am not an HP employee.

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Hey Zyzx,
I have seen this type of condition before in a USB connected printer. How do you have the printer connected to the Windows XP Home Edition desktop PC? (USB or Network connected)
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-------------How do I give Kudos? | How do I mark a post as Solved? --------------------------------------------------------
I am not an HP employee.

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Hey Zyzx,
I have seen this type of condition before in a USB connected printer. How do you have the printer connected to the Windows XP Home Edition desktop PC? (USB or Network connected)
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-------------How do I give Kudos? | How do I mark a post as Solved? --------------------------------------------------------
I am not an HP employee.

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I just got maaaaaan!!
works fine, but won't wake up from hibernate or standbye !! unless yur gonna wait for awhile!! 15min or something like that!!
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thank you for your help and the fast replay, i really really appreciate it.
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no USB flash memory connected or anything else !
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i also did recovery from the recovery CD that comes with it, also no good !!
i noticed that if u disconnected the battery the unit needs shorter time to be able to wake up or boot. about 5 min.
wut kills me is that the unit works perfectly and i like it !!! i only got this issue with it !!
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Solved!
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Does it awaken from stand-by if you press the Fn key? That's been the ThinkPad standard for as long as I can remember.
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Hi,
sorry for the delay, but I was on a business trip.
@Bsteely: Sometimes it wakes up immediately because of loosing connection to the keaboard when I send it to sleep. I suppose at the beginning of the sleep mode it into sleep mode, the keaboard connection is closed, then the keyboard "thinks" there is a problem and sends a message to the mini and the mini just wakes up again showing that the connection to the keyboard was lost but established again! This even happened as I had unselected the checkbox "Allow Bluetooth devices to wake up this computer" in Preferences -> Bluetooth -> Advanced.
But there are also times when the mini does not wake up so quickly. It just wakes up after hours. I had a look at Console.app as you suggested. Very weird to me indeed Well there I found something like "Wake reason = OHC2" or "Wake reason = OHC1". Unfortunately I cannot find older logs there.
@Boece: Hi and thanks for helping!
Well, I will try the update as soon as I can. By now I have no external harddisk to first save my data before doing the big update. But I am going to buy one soon.
Well turning off the monitor is OK, but the harddisk can wake up anytime while the mini is turned on as the OS might need to do something from time to time. And I don't want my computer to consume electricity even if it is such a small one like the mini. I'm a kind of green dude (but not from Mars ). And the sleep mode is interesting for me as I have very often many different Internet sites and some applications running, so I don't need to close them before turning off and open all of them again when turning on the mini.
Regarding other IR devices: The only IR device now is the keyboard. I even took out the batteries and the mini still woke up over the night!
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Cheers
Quartz84

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