Apple :: MBP - Fan Ramps Up After Waking From Sleep
Dec 15, 2009
I've noticed a strange occurrence with my MBP (unibody late 2009 model, 3 weeks old).
It's happened since purchase and It's intermittent and hard to isolate, but I'd like to hear if anyone has noticed this too or a potential fix. It could totally be normal.
Essentially what is happening is that my MBP's fan will sometimes ramp up to around 2700rpm after waking from sleep (typical unloaded speed is ~1900rpm). It will then slowly speed down to the typical fan speed a couple minutes afterwards.
It seems that it occurs only in battery mode and when:
a) It is used on material surface, ie couch or bed OR
b) It is woken quickly after entering sleep
I haven't noticed this happening when plugged into AC, perhaps because it's always on a desk when on AC?
What I've done to try : resetting the PRAM, logic, etc, reinstalled the OS (in case a software issue).
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Apr 3, 2013
My XPS (bios A05) always wakes up after sleep mode with the fan running full speed and never stops after that. This occurs even if the PC goes to sleep with fan off (ie low system load, low temperature). The only way to turn the fan off is a full reboot.
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Apr 20, 2009
i've had this issue a little more frequently lately, both in vista and ubuntu and i think it's a hardware issue. after putting the computer to sleep (vista) or suspend (ubuntu), upon wake up, the display does not come on, keyboard and mouse are unresponsive....
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Nov 21, 2014
My keyboard suddenly stopped working after waking my computer up from sleep. The on screen and touch keyboard still function normally as well as the mouse touch pad built into the laptop, but the physical keyboard does not. The LED for the CAPS LOCK button wont even light up when pressed. The keyboard back lights however do turn on and off when the computer is powered on or flipped between tablet and laptop mode.
I have tried restarting the computer on several occasions as well as doing a complete shut down. I have updated all drivers and even uninstalled all of my keyboard drivers to no effect. I have tried running a diagnostic, but I either get an error that says the diagnostic could not run or that no data has been collected by the testing. All other scans of my computer show no issues.
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Jul 18, 2013
I have an edge 530, i've had it about 2 weeks running windows 7 64.I have found that on default settings its fairly slow at waking up, i made one change which was to the wireless card, i unticked the allow my system to turn off wireless to save power (so it stays on). this seems to have made an instant difference and the laptop now wakes a lot faster.
The problem now is with having that option unticked, when my laptop does wake up the wireless is off when it wakes and will not turn back on, i have to manually turn it on. If i leave the power save option ticked for the wireless card it does auto connect when my laptop wakes.Seems a little odd as i thought unticking the option to allow my laptop to turn wireless off means it should just stay on but it seems to be having the opposite effect.all i wanted was for my laptop to wake faster and the wireless either stay on or auto connect after it wakes.
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Feb 5, 2015
We have purchased and deployed a number of Latitude E7440's and E7240's and we are running into an issue with some of the E7240's. When waking from sleep while on battery power, the machine will start to wake, the display will come back and I can move the cursor but within a second or two, the cursor will freeze and the machine will become totally unresponsive. This doesn't happen on AC. I've set the power plan to 1 minute and tested over and over again and it is reproducible every time. The only way to recover from it is to power off the machine via the power button and restart it.
Right now this is happening on the original end-user's machine and 1 other deployed E7240 we were able to get back and test. I have a couple of other E7240's deployed and I have an email out to the end users to bring them in so we can check them too.
I've upgraded the BIOS from A09 to A13. I've tried switching wireless control from Intel to Windows. I've updated to the latest drivers on the Dell support site.
Machines are i7, 256GB SSD with 8GB RAM running Windows 7(64) Enterprise
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Apr 1, 2014
My W540 seemed to have nightmares while in sleep mode because it keep waking up from time to time
BIOS ver 2.11
Windows 7
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Apr 19, 2010
Really odd issue. My touchpad does not respond at all after I wake the computer from sleep mode. The mouse buttons do not work and the touchpad is completely impossible to get to move. The only solution is to shut down the computer entirely and turn it back on.
Does anyone else have this issue? I've re-installed the mouse drivers and it keeps doing it. There is no way to re-create the problem; it just happens totally randomly (and usually very inconveniently).
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Feb 26, 2014
I'm not sure if any other user has experience this issue. I did a lenovo update couple weeks back and since then my wireless adapter would not work after waking up from sleep mode. It shows that the wireless adapter is connected to wireless network but the internet would not work. The only way i can make it work is by disabling the wifi adapter by putting the laptop in airplane mode and then bringing it back out from it. Disabling and enabling the wireless adapter does a quick fix and does allow me to use the internet without any issue for the time being. i have also uninstalled and reinstalled fresh drivers from lenovo website, still having the same problem.
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Mar 11, 2014
I have a brand new T540P with a Validity fingerprint reader.
Rougly 80% of the time, the Fingerprint reader is unresponsive at the windows login screen after waking the computer from sleep. It works 100% of the time when booting from an off position, however. Once logged in, it also works 100% of the time. The issue only arises when logging into windows.
Things I have tried
-uninstalling/installing device in device manager and finger print manager pro software
-setting fingerprints through both fingerprint manager pro software (lenovo) OR through the built in windows fingerprint control panel options
-disabling "allow windows to turn off this device to save power" in device manager.
I should note as well that I have another T540P that I ordered as a replacement. Both models experience the same issue.
Is this a platform wide issue affecting all T540P models?
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Apr 17, 2009
Alright so I just want to know if I should be worried or not about this:
Lately, when I open the lid, the drive starts "moaning". You know that sound as if you just inserted a CD or DVD into it. It does it three times with a couple of seconds gap in between.
It still reads just fine, I just tried it with a DVD, but I'm still concerned about the sound.
Usually there is just a small and short sound when opening the lid, just like when booting up, when (as much as I can figure) the head realigns to center.
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Jan 1, 2010
I have a MBP (Oct 2008 Model 2.53Mhz with 4gig ram)
I have recently had a problem where the computer (when lid is open and computer goes to sleep) will not come out of sleep. The sceen stays blank and will not wake up (odd, when screen is closed-- it will wake up from sleep mode, just not when computer goes to sleep with lid open). No key actions will prompt a wake up and I have to do a hard shut down with the power button.
Computer is running "Snow Leopard" (installed when Snow Leopard was released) and everything else has been running fine.
I have done a "Permissions Repair" to date
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Aug 17, 2009
How often do u recommend shutting down a mac? I usually just keep it in sleep mode until i want to use it again. is this bad?
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Mar 14, 2009
I can't put my MBP in to Sleep mode when DVD,or usb CDMA modem connected. It just turns on after few minutes. Is there any way to get normal Sleep mode without disconnecting USB devices?
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Feb 13, 2010
im running leopard on my imac, is there any way to make it ask for a password after coming out of sleep?
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May 11, 2009
I have my MBP set to put the screen to sleep after 5 mins of inactivity and system to sleep after 10 mins.
This works fine when not plugged in, but when connected to the power the screen goes to sleep but not the computer.
I am not running any apps in the background except Quicksilver...
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Feb 2, 2009
I have a Macbook Pro (17" Penryn model just before the unibody one) and it's been working great so far until recently...
Lately it's been randomly going into sleep mode and waking up just as randomly as if nothing happened. Someone told me its a RAM issue, but i'm sure it cant be that since that will usually shut the mac down instead of putting it on standby.
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Jan 9, 2010
It's been doing this for a while... Whenever it boots up, returns from sleep, anything, it does this. There is no disk in the drive...
[url]
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May 18, 2009
My xps 16 uses 100% of CPU memory after woken up, and it's like that for a long time. I am really concerned. I have a T9550 2.66ghz cpu, and the system is brand new
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Dec 5, 2009
when i put my computer into sleep sometimes i slide it onto a table, or put it in my backpack (inside a case) and now and then it will be back on when i go get it again.....
I tested it out and opening and closing the lid/pushing buttons doesn't wake it, the only thing i can do to wake it is push the power button which is sunk in (its an sr series)
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Dec 7, 2014
I have an XPS 12 that is the 9Q33 Haswell based model. Every time I wake the ultrabook up from sleep mode, my sound no longer works. The services says that the windows audio service and the realtek audio service are running. But to get sound again I have to either restart both services or logout or reboot.
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Apr 6, 2010
Does anyone know how to disable the mouse from waking the computer. I have tried the following with no luck
1) Control Panel - Mouse - Hardware - Properties - Power management. unchecked the "Allow this device to wake the computer". Doesn't work
2) Install Logitech latest drivers and does the same thing.
3) Under power management, I disable the "USB suspend setting"
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Mar 18, 2009
I got the new aluminum macbook 2.4ghz and it is taking a long time to go to sleep. I cant figure out what it is. I close my lid and the apple logo takes about 4 seconds until is shuts off and another 30 seconds until the light starts to fade in and out. I've shut the lid of another macbook at an apple shop and they go to sleep instantly.
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Dec 30, 2012
I purchased the Lenovo Z580 laptop last month. It is a very good laptop, very silent and well built. Coupled with Windows 8 (64 bit), its a very new experience all together, especially the uptime after restart, connectivity etc. Superfast!
I've been traveling around the world offlate and after I was back home recently, uunfortunately, I'm facing a wired problem with the Wifi since then.
Nature of the problem: After restart, sleep, turn PC on:
1/ Wifi shows full signal status at the start screen.
2/ I enter password to login and it takes to W8 start screen. I then goto the desktop mode.
3/ When I launch a browser I can't connect to internet but the wifi status says 'Internet access'. But after few seconds, I see grey wireless symbol (without any signal bar) with a star on the left corner of the wifi symbol (Not connected mode).
4/ The network I connect to is no longer visible. Only 2 networks are detected. One is an open network and the other one is a different network. Usually several networks are within the range when I'm connected to my network.
5/ After 4-5 minutes, everything becomes normal i.e. the wifi adapter connects to the network.
I've tried router/modem power cycle, disable/enable wireless network adapter and they haven't solved the problem yet. Also noticed something in the Wi-Fi Status (wireless adapter settings window) accessed via Control Panel. Speed initially was 39.0Mbps and eventually changes to 72.0Mbps, drops to 65.0Mbps...
I don't have this problem with the other laptop and tablet I own.
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Nov 12, 2013
Why a fresh vanilla install of windows 8.1 pro would keep waking up from standby? Which even viewer can I look at to figure this out?
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Dec 20, 2010
For the last two days or so, my Lenovo G560 laptop (running Windows 7, 64-bit, BIOS 2.10) has had problems with its (wired) network adapter after waking up from hibernation. It is shown as disconnected (same as if the cable was physically detached). The only major change I performed in the last few days was installing Service Pack 1. However, the problem only appeared about two days afterwards, so I'm not sure if this is related at all.
In such cases, IPCONFIG reports the following for the NIC:
Ethernet adapter Local Area Connection:
Media State . . . . . . . . . . . : Media disconnected
If I try IPCONFIG /RENEW, I get
Windows IP Configuration No operation can be performed on Local Area Connection while it has its media disconnected.
Hovering over the tray icon says "Not connected". Troubleshooting of course doesn't find anything. Also, there are no weird entries in Event Viewer (unless they're hidden somewhere in other views). Basically the behavior is identical to when the network cable is physically disconnected (unplugged).
Also, unplugging the network cable, waiting a few minutes, and plugging it back again doesn't do anything.
For now I have two workarounds:
-rebooting the system
-right-clicking Local Area Connection (under Network Connections), selecting DISABLE from the menu, waiting for a few moments, and then choosing the ENABLE from the context menu.
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Aug 14, 2009
I left my 15" (late 2008) MacBook Pro in sleep for a few days, and when I opened it again today there are red dots flickering across shades of black on my external monitor, with both the 9600M and the 9400M. Since so many people leave their MacBook Pro on all of the time (I don't usually), I'm assuming that I haven't damaged anything. My MacBook Pro didn't seem hot, either. After restarting my MBP (and installing the new updates), the flickering red dots are still there.
Do you think that this will go away if I leave the system off for a day or that the logic board/video card is permanently damaged? I really, really don't trust that the Genius Bar could do a repair without damaging my MBP, and I really never take it anywhere so I wouldn't have a way to bring my MBP in that I would be happy with without spending money on a case. What are the chances that I could get a replacement MacBook Pro or a $2500 credit? I figure that a Mac Pro or an iMac would suit me better, anyway, since I don't travel with my MacBook Pro. My MBP is in pristine condition (you literally wouldn't be able to tell between mine and a brand new MBP) partly because I always have it hooked up to an external keyboard, mouse, and monitor, and because I prefer it that way, it helps resale as well. I wouldn't want to be dissatisfied with a repair for a $2500 system, which I could already see happening, so I'd really just like a replacement system if this problem doesn't go away...
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Jan 14, 2009
it happened two times today, the screen went totally black, the fans stop working and the "sleep lights" turned on and off. Soon after the disc drive made the sound that id usually makes when turning the computer on.
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May 9, 2010
I just received my MBP 13" yesterday. So far I love it. However, I noticed an issue. Last when I put my MBP to sleep, it had about 30% battery left. However, when I woke up this morning and opened my MBP, the battery went down to 13%.
When I put the laptop to sleep, I had a pdf file open along with itunes (paused). I have never used Mac OS, so maybe I not doing something correct. Also, I noticed when I open the lid (after I put the notebook to sleep) it just goes directly back to the desktop as opposed to on windows it prompts to the login screen when waking it up from sleep mode.
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May 23, 2009
My friend's macbook (white plastic, 2.0, napa/core2 before santa rosa platform) isn't starting, and I have no idea why. He initially asked me to replace the top and bottom casing. I accepted, and ordered the parts. Around the time they were supposed to come, I took the computer apart completely (required for the repair), but one of the parts was delayed, so the computer sat splayed on my desk for a week. I didn't exactly stack textbooks on it, but it also wasn't covered in anti-static wrap. So, now, I finally got the part and put it back together, and the computer doesn't start. At all. The screen doesn't go grey, the 'sleep' light doesn't turn on, the fan doesn't start - nothing. The magsafe light is green, so the power is going in. It's also worth noting that I have no battery for it, so it's all on A/C.
Does anyone know what's wrong? My two hypothetical solutions are (a) I need a battery, or (b) the logic board is dead due to static.
How likely are each of these scenarios - especially the logic board one? How possible is it that it was static overloaded?
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