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What are magic packets for waking computers? The Answer
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Can I disable these two settings without negative consequences? I have disabled Allow this device to wake the computer on the Power Management tab, but these settings appear to be separate. I would prefer that my laptop not be woken up remotely under any circumstances. This rather cryptic description is a bit low on details. WakeOnMagicPacket – Defines if a network adapter is enabled to wake a computer on the magic packet.My wireless adapter (Intel Dual Band Wireless-N 7260) has two settings in Device Manager that I do not understand.Īfter a bit of research, I found this Microsoft TechNet article which defines the feature as follows: For all you know, they may have an unofficial fix for this already.SuperUser reader AlainD wants to know what magic packets for waking computers are: However, I would also open a call with the motherboard manufacturer and report the issue you are experiencing when multiple WOL packets are send to their hardware. Nevertheless, as you have already opened a call with Symantec, you should be able to make some progress on this as the cause appears to be pretty clear. Since there are dozens if not hundreds of different makes of motherboard out there that would appear not to suffer from hang problems when used with Ghost Solution Suite, I would tend to point the finger at the motherboard manufacturer, but in fairness, as I don't have a copy of the WOL standard, I cannot say whether there is provision for sending multiple packets or not. However, the fact that you have found that sending multiple packets to your machine causes the same hang as Ghost does appear to indicate that Ghost is also sending multiple packets. I don't actually know whether Ghost sends multiple packets or not - I was just trying to work through a diagnostic regime which would identify a possible cause based on your problem description. (yes, clutching at straws but you never know.) One final thought - when you test with a third party magic packet generator, have you sent one packet or have you also tried sending the same packet consecutively while the machine is powering up? I am wondering if a stray WOL packet could be causing an unexpected or unhandled interrupt to the processor if received while the first WOL event is still being handled. I would therefore suggest that you also open a conversation with the motherboard manufacturer in case they can shed any light on possible causes of this problem, as my instinct tells me that there could be a bug in the bios. It's like finding that I can flick the switch in my front room and the light comes on, whereas when my wife flicks the same switch, but the light does not come on.
WAKE MAGIC PACKET SENDER GENERATOR
If, for some reason, the power supply is not turning on fully, and one or more of the voltage rails is remaining off, then perhaps the processor is not getting all the power feeds it needs and is consequently hanging.Īs WOL is an "on - off" switch, I cannot understand why one magic packet generator works and another magic packet generator does not. If this is a correct understanding, have you left the apparently hung machine to its own devices for, say, 30 minutes to see if any error messages are eventually displayed? Can you hear if the hard disk is spinning up and any case cooling fans come on when the machine is sent a WOL packet from Ghost? If the machine is powering up upon receipt of the Ghost packet then WOL is working, but I am at a loss to explain why the bios is hanging. When you send a WOL packet from Ghost, the machine changes from a power down state to a power up state, but instead of booting to hard disk, the machine appears to hang. Just to make sure I understand the sequence of events correctly, when you send a WOL packet using a third party utility, the machine changes from a power down state to a power up state and then boots correctly to its hard disk. I am unfamiliar with the DH55TC motherboard - who is it made by and what bios version are you running on it? It is an Award bios or is the bios author unspecified?