Dell :: SXPS 1645 Unexpectedly Wakes Up From Sleep Or Hibernation In Windows 7
Jan 18, 2010
For the last several days my Dell SXPS 1645 laptop running Windows 7 Professional randomly wakes up from either Sleep mode or Hibernation mode at any time during the day. The most it seems to stay off is for ~6 hours. It does not happen when I properly shutdown the PC. I checked the task scheduler, and nothing is scheduled to run at most of the times it wakes up, and none of the tasks are set to wake up the PC if scheduled to run. In the system logs, Windows 7 recognizes that it was waked up, but the "Power-Troubleshooter" event entry looks like this:
The system has resumed from sleep.
Sleep Time: ‎2010‎-‎01‎-‎18T11:10:00.659235300Z
Wake Time: ‎2010‎-‎01‎-‎18T17:43:26.545117000Z
Wake Source: Unknown
Any idea what could be causing this? I'm positive it's not a "Wake-on-LAN" feature as that's fully disabled and I'm only using WiFi anyways. I'm not sure if this happens when the laptop is only plugged in or if it happens on battery as well. (I'm continuing to see if there's a trend on this one)
Some background info: I'm running the original Dell build on the laptop with some of the bloatware removed via Control Panel. I've modded the ATI driver to the latest Catalyst version, which does seem to record the odd event error shortly after power-on (I noticed it when checking the power on event logs)... not sure if that's related.
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Jan 9, 2014
I just bought my new laptop. I have it for around 10 days. Everything was ok at first but after 3-4 days I decided to update to Windows 8.1. After that the laptop never wakes up after going to sleep no matter what I do.
It seems that others have the same issue. I tried uninstalling and reinstalling both display drivers, I removed a bluetooth device that had an error with 8.1 but I couldn't resolve the wakeup problem. I ran the power troubleshooter, nothing. Hybrid sleep in advanced power settings was already off.
It's really frustrating to have to do a hard reset everytime
My machine is an Inspiron 15 3537, i7 4500U, AMD 8850M, 8GB RAM, 1TB HD.
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Feb 9, 2013
When i put the laptop on sleep mode. sometimes it wakes up automatically, even though the lid is closed. what can be the possible issues?
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Oct 18, 2009
My 1410 has a very strange problem. If I put it to sleep with the lid open, it will properly stay asleep for hours and hours.
However, if I then close the lid, it will always wake up within 5 minutes (I can tell by the status lights). This happens regardless of the lid-closing action I have specified in Windows (hibernate, sleep, none).
If I tell it to hibernate on lid-closure, it will hibernate properly. If I tell it to sleep on lid closure, and close the lid, it will go to sleep and then quickly wake up again. What the hell could be doing this, and how can I fix it?
The laptop is a bone-stock aspire 1410, running windows 7-64, with up-to-date drivers and the latest BIOS (happened with old BIOS too).
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Feb 18, 2012
So, is it normal that by pressing Fn Key + any other key (on the keyboard) - computer wakes up from sleep?? Or is something wrong with the OS?
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Jan 19, 2010
My SXPS 1645 came with Windows 7 Home Premium, but I wiped the drive and installed Windows 7 Ultimate off of MSDN. What I'd like to do is use the Home Premium installation for my parents' admittedly ancient Dell Dimension 2400.
That system needs to be rescued from the gates of hell anyway, so rather than reinstall Windows XP, I figured it'd be worth seeing how well 7 will run ...
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Nov 2, 2009
I am convinced that the fingerprint reader is fine. There must be some issue with the driver perhaps, something incompatible with a recent Windows 7 software update?
Â
Laptop working fine. Â I put it to sleep when I'm done and use the mousepad to wake it up. Â The fingerprint reader LED will blink, and I can swipe my finger to log on.At some point, after a few times of putting laptop to sleep and waking up, the fingerprint reader does not respond. Â No blinking LED. Â I swipe my finger and the reader does not respond at all -- doesn't even tell me that there was a bad read.If I log off and log back on again, no change. However, if I do a reboot, everything is fine--the fingerprint reader is working again. Â Â
My system is an HP dv6-6145dx.  I am running Windows 7, with latest updates.  The built-in fingerprint reader is running on HP Simple Pass 2011 v5.1 and Validity Sensor driver version 4.3.205.0.  When I attempt to launch the Simple Pass interface, it loads the database but then the application vanishes.  I tried uninstalling and then reinstalling the software, but this does not make any difference with the issue I noted.
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Dec 30, 2009
This is interesting... a friend of mine just tried to order the SXPS with the i7-820 processor and got denied by Dell. Apparently, the 1645 has been fully discontinued, and Dell will no longer be placing the i7-820 processor in any SXPS form factor. They quoted that due to hardware and power issues as the reason behind discontinuing the 1645 (and replacing it with the 1647) and killing i7-820 support. The sales rep said the only offering will be the Studio series for the i7-820.
As a 1645 owner with the i7-820, this is kinda scary that this laptop has been discontinued this quickly as well as the offering of the 820 series chip. We ended up calling a second time, and another sales rep confirmed the same story.
Anyone get similar information from Dell on this? I'm also wondering if this is a "Dell Canada" thing...
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Jan 20, 2009
Whenever I switch my Dell Studio back on after putting it on sleep or even Hibernation, the computer switches on but the screen remains switched off. Its like something happened and the computer doesn't switch on again.
I have to hold the power botton for 6 seconds in order to shut off my notebook completely in order to restart it again.
Can anyone help me with this? My friend told me that it might be vista however, my other friend who also owns a studio 1535 like me, never experienced this problem .....
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Jan 22, 2015
I have a late 2011 model XPS 15 that no longer wakes up from sleep or hibernation mode, at least only the screen doesn't. Â The computer will start up but the screen stays black, not even the backlight will come on. Â I can hear it working but nothing happens. Â
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Feb 24, 2013
I've had my Dell Insprion N5110 for about a year now with little issue, but lately this really annoying problem has arose. Every time I just close my laptop (to put it in sleep mode, essentially) and then open it back up... it wont turn on. The power bottom stays completely lit up (not blinking, like it would in sleep/hibernation mode) but no matter what I press, it wont turn on. I end up having to completely shut it down every time. i did update for BOIS and VGA nothing happen
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Feb 23, 2013
So I've had my Dell Insprion N5110 for about a year now with little issue, but lately this really annoying problem has arose. Every time I just close my laptop (to put it in sleep mode, essentially) and then open it back up... it wont turn on. The power bottom stays completely lit up (not blinking, like it would in sleep/hibernation mode) but no matter what I press, it wont turn on. I end up having to completely shut it down every time.
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Jan 28, 2010
Hi at the moment i have a dell sxps 1645 and i wold like to know about the bios because im on the A01 bios at the moment and im not experiencing any crashes or anything else apart from the throttling ;( is it worth upgrading to the A03 or A05?
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Jan 4, 2010
SONY F11 $1999 - 7% discount for being a student = Total $1859. (without TAX)
Genuine Windows® 7 Professional 64-bit
Intel® Core™ i7-820QM processor (1.73GHz)
16.4" VAIO Premium Display (1920x1080) NVIDIA® ...
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Dec 17, 2009
This is a problem with the P55 chipset and connecting the iPhone in Win7 64-bit versions. Did anyone get this to work on their SXPS 1645 as of yet? Or are we all waiting for a BIOS update from Dell for this? I've tried tons of different things, and for the life of me can't get it to work.
I'd like to get my iPhone working.
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Nov 5, 2009
Is having an i7-920XM (55 W TDP) in an SXPS 1645 a good idea? I understand that the TDP of the 720QM and 820QM are both 45 W, but do you people think the extra 10 W required to cool it will pose some risk to the other components?
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Feb 14, 2013
I have a Inspiron 14R for about a year and half now. This computer has done this since day one for some reason:
When I put the 14R in SLEEP mode, the computer remains in sleep mode for about 2-3 hours, then the computer shuts itself off, or goes into hibernation mode on it's own. The computer has Windows 7 Premiuim.
I have the power saving modes all set too SLEEP, and none in hibernation in any of the selections. I cannot for the life of me why this computer does this. I have a Lenovo I bought about a year later using Windows 7 Premium with all the same settings in the POWER section, and while in sleep mode, it STAYS in SLEEP mode, no matter the length of time in that mode. Any setting I need to turn off, and where to find it?Â
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Dec 2, 2009
How do I tell if mine is 130 W or 90 W? I have 2 adapters: the 1st came with my older 1640 and says 90 W on the front, while the newer one that came with my 1645 does not say anything related to W. The part # is WK890 and everything else is about Amps, Voltages, Made in China, etc.
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May 25, 2010
I ordered my Studio XPS 1645 on May 17, and it is dated to June 3rd for arrival.
Does Dell usually take that long or it's over-estimation on their part?
Has anyone else received it during their system during this time?
BTW I live in Toronto, Canada and, as of today, May 25, the status says "In Production"
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Nov 16, 2009
I'm wondering about certain aspects of the notebook. I know, this laptop wasn't designed for gaming. It's more of a multimedia notebook, which is why bought it.
Though, I'm also trying to get some games for PC. Youtube videos show this laptop runs very good latest games, like Street Fighter IV, Resident Evil 5, Call of Duty: WaW-MW-MW2, Far Cry 2, Unreal Tournament III, etc.
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Mar 14, 2010
ftp://ftp.dell.com/bios/1647_A05.exe
ftp://ftp.dell.com/bios/1645_A08.exe
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Feb 14, 2010
So ever since the technician came out and upgraded my processor from the i7 720 to the 820, the fan has been coming on louder and more frequently than when i first got the laptop. Any ideas as to why? Is this something that can be easily fixed?
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Feb 18, 2010
It's been over a month since I purchased my unit from Dell Malaysia and just yesterday I faced this very unusual problem with my keyboard. Keys 6 7 y u h j n m were not functioning. Did any of you experienced the same problem?
I am currently here in Jeddah, Saudi Arabia and in case any of you knows how I can manage to avail Dell's warranty service from he I would love to hear from you.
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Feb 25, 2010
Please note that my GPU Throttles down when it hits 84C. This cycle will continue up and down as the system system downclocks the GPU.
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May 21, 2010
So I when I first got this laptop a few weeks ago I instantly installed lucid lynx.
So I am dual booting between W7 and lucid. The odd thing I see is that the grub menu seems to take a random amount of time to come up.
Sometimes it takes a few second to get to the OS list - other times it takes more than 10 seconds. Also - sometimes the OS list will come up - but the keyboard will to be recognized for another few seconds (like 5 or more seconds)...
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Dec 31, 2009
Is the sound quality better on the Dell Studio XPS 1645 than the Alienware 15x?
I am researching the Alienware 15x, with the possibility of returning the 1645 and getting the Alienware.
It seems there are clear tradeoffs. I am not really into gaming, but would prefer a laptop that has complete use of the i7 performance.
It appears that the Alienware does not have the same performance restrictions as the Alienware; however, it looks like many Alienware owners are dissatisfied with the internal laptop sound and the track pad.
I am not looking to hook external keyboards, or an external mouse, or an external speaker system up to the laptop.
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May 20, 2010
I have just ordered 720QM SXPS 1645 and waiting for it to get out of the 'In Production' time...
So, I was just curious about its performance...
Can anyone who has a Studio XPS 1645 (preferably i7) post their start-up / shutdown time?
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Dec 14, 2009
Get it at http://files.fredfx.com/Dell%20Studio%20XPS%201645/
Anyone know where I can get this? It's not on the Dell support site, and for some reason I can't continue past Dell SmartSource after a certain step.
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Dec 31, 2009
Seeing as the prices have come within about $300 of eachother for these machines, I was wondering if there is a major advantage going with Alienware over Dell on the laptops with the i7 CPUs?
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Jan 2, 2010
Has anyone tried this or even thought to try this? I want to know if besides differing capacities if there are different speeds/classes of the device that are faster than others. Is NAND flash super fast, or just USB drive fast? There's that extra internal WWAN slot that I wouldn't mind filling up with this stuff once I find out the details.
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