Dell Studio 1749 :: Extended Battery Life Gone
Jan 6, 2012
I had to reset my Studio 1749 to factory defaults and now the option for "Dell Extended Battery Life" within the Dell Battery Meter is gone. I don't know what needs to be reinstalled in order to get it back.
These are the changes that might affect the issue:
- Installed a different WiFi-Card (Dell 1520)- Installed a different Tuner Card (Yuan, provided by Dell)- Installed Service Pack 1 for Windows 7- Flashed BIOS to A08- Updated all Drivers and Utilities from the Dell Homepage except for the ATI-Driver
I think it is a useful tool if you use your notebook on battery, because it is able to control a few options that are not available in Windows 7 default power plans.
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Oct 29, 2008
How much battery life would be if I buy 9 cells extended battery with 6 cells already in xps?
total : 15 cells.
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Apr 12, 2009
#1 - What is the "Dell Extended Battery Life" option in the advanced power options? What does it do? The help article just says that extends the battery life.
#2 - With the facial recognition software, is there any way to take multiple "logon" images for the same user? Like sometimes I have the laptop on my lap
and sometimes it is on my desk and sometimes it is on the side so I can use with my external monitor and it seems like it won't log me in automatically unless I am in the exact position as when I enrolled it.
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Mar 8, 2010
Last Friday i received my new Studio 1749 with i3. As told by the documentation I put in the battery, put the power cable in the ac-adapter, pluged the AC-cable into the laptop and then pluged the ac-adapter into the wall outlet. I booted the laptop and once I was on the windows desktop had a look at the battery symbol. It showed that the laptop was connected to external power and that the battery was being charged.
I wen't away from the laptop to let it charge the battery for 12 hours as told by the documentation. After two hours i came back to have a look at the laptop and it was off. Curious I turned it on again. After booting up it showed the battery at 60% and the laptop running from battery. Yet the ac-adapter was connected to the laptop. I hadn't changed anything. I pluged the adapter cable in and out, but it wouldn't recognize that the was external power available. Turning the laptop off an on again didn't work either.
Now I feared for the battery. My guess is that at one point it started to run on battery power even though it was not charged for 12 hours. Then when the battery was depleted the laptop shut down. This might have permanently damaged the battery!
I guess as soon as the laptop was off the ac-adapter charged the battery again, and when I came in it was just at 60%.
So I turned it off removed the ac-adapter, removed the battery, put the battery back into the laptop pluged the ac-adapter back in and booted up again. Now it showed it was running from external power again. All fine. It charged the battery as well. Actually it charged the battery up to 99% and then out of nowhere the battery symbol changed and it was running from battery AGAIN! Even though it was still connected to the ac-adapter. This happens all the time. It is reproducable.
So I thought something might be wrong with the ac-adapter.
I powered down the laptop and removed the battery. Now with only the ac-adapter connected ,I tried to start the laptop. The control lights above the keyboard came on for 2 or 3 seconds and then the laptop turned off again. Trying to hit the power button again after that didn't give another reaction.
Conclusion: The laptop won't run just on external power with no battery in the battery bay.
I put in the battery again. AC-adapter still connected. Hit power. Laptop starts to boot. Then while booting I removed the battery. Laptop keeps on booting - finishes booting - runs nice and well at full speed not missing the battery - FOREVER.
So it won't boot with the battery removed, but it will run without it flawlessly??? Strange isn't it?
Next test: I put in the battery again while the laptop is running from mains. And now it charges the battery again until the point... you already know... it "forgets" that it is connected to the ac-adapter and starts running on battery power. So now I boldly removed the battery while the laptop was running. After all it was still connected to mains/ac-power.
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Apr 12, 2009
#1 - What is the "Dell Extended Battery Life" option in the advanced power options? What does it do? The help article just says that extends the battery life.
#2 - With the facial recognition software, is there any way to take multiple "logon" images for the same user? 44m .....
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Dec 5, 2009
My aunt has the same laptop as I, and I have her name in our family drawing for Xmas... and she's wanting a nice sleeve.
She already has a laptop bag, she just wants something smaller for a quick "up and go" where she doesn't need her accessories, charger, etc.
I've looked at a few and I think they'd be close -- it's just that the extended battery makes the back end awful thick, which worries me.
Soooo I was wondering if anyone has actually purchased or used a sleeve with their Studio 15 with the extended battery, and if so which brand/model.
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Apr 16, 2009
Why is the Studio XPS 13 so terrible on battery life? ~2.5 hours on power saving mode, 1 on high-performance. I believe the Sony Z rates around 3-5 hours on power saving, as does the Latitude 6400. Is it normal to have this low of a battery life for a 13.3"?
What is draining all the power? How does the Z pull 4-5 hours on its battery life?
I don't want to shell out for a 9-cell and also have to deal with the added weight... but this is ridiculous.
Also, are there any new deals for the 9-cell batteries?
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Dec 17, 2009
I know that everyone has different configurations and such, so while that does have an impact, I still want to know what is the general ballpark battery life you guys are getting. From what I am seeing, 2 hours is the average for the 6 cell, whereas the 9 cell is only 3?
I ask because as strange as it sounds, using BatteryBar indicates that the 6 cell that came with my 1640 has a capacity of only 5100mWh! That sounds very strange, because I know that on my XPS m1530, the 9 cell had a capacity of nearly 86,000mWh. I am having a 9 cell sent to me for my XPS 1640, and hopefully that will fix things. Maybe the battery's circuit board is reporting the numbers wrong/shrug.
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Jun 27, 2009
I am strongly considering taking my laptop onboard to try and kill off a few hours especially as i have a good 100gb worth of films & series on it, but i want to try and squeeze every last drop out of the battery!
I will obviously be turning the brightness right down and turning off the backlit keyboard, aswell as wifi etc, but is there a way to drop the cpu speed to 15-20%, or whatever the laptop needs to run a film?
I wont need the full 17" screen, is there any way to turn off 3/4 of it so that i am only using a portion of it? if not is there any colour to use as the background that wont draw as much power, as im guessing fullscreen will draw more power.
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Nov 2, 2009
Does anyone have a studio 15 with the newIntel® Core™ i7-820QM Processor? Intel says it runs max 45W. I cannot seem to find how long the battery life this laptop is? Does anyone know?
Dell product ..
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Nov 11, 2009
Anyone here has ever tested the battery life of Studio 14 with specs:
I copy paste from the dell.com.sg website: ...
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Nov 27, 2008
I thought I would check how long the battery hold out on my new studio 15, which I got two days ago. Surprisingly, only roughly about an hour. Is this normal? When I just unplug the power cord, it says 3 hours.. and then the remaining time of the battery dropped quickly inpproportionate to the physical time past. The whole time I was just surfing the internet, IMing and playing music. The battery is 56 WHr 6-cell Lithium Ion Primary Battery.
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Jan 25, 2010
I believe '1749' is the model number for the core i5 Studio 17 - anyone know when it will be released or whether the i5-540m will be available? Considering buying an XPS 1647 now but would prefer the 17" screen
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May 4, 2010
This is for the Dell USA site as of 5/6/2010....any other countries and/or times YMMV
There are some notable differences between the 1747 and 1749 being offered via the Dell Studio 17 selector
1749:
ATI 5650
i3-350M, i5-430M, i5-520M (No i5-540M or i7-620M. No Quad Core Options)
1066 memory (Makes sense since dual core i3,i5,i7's only support up to 1066 memory)
9-Cell battery as default option
1yr Warranty default
1080P "RGBLED" panel Description/Product Code = DH1080F / 320-8968
1747:
ATI 4650
i7-720QM, i7-820QM (No dual core options at all)
1333 memory support
9-Cell battery as default option
2-yr warranty default (No 1 yr option)
1080P "B+RG" panel Description/Product Code = CH1080F / 313-8043
Blue Ray RW drives are now an option for both @ $150.00
Intel 6200/6250 options are available for both
I'm definitely curious about the panel changes along with system board revisions to see if the 1749 supports Quad Core CPUs.
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Mar 5, 2010
As the title says i bit the bullet and ordered a 1749
Spec
i5 520m
4gb ram
1TB hd
Ati 5650
All for the paltry sum of £673.
This is the first lappy i have ever bought and i have done so to make space by getting rid of my ageing desktop.
Problem is i am now on the verge of buyers remorse so i am asking for a little input on my choice. I would really like the input of you guys who have been around Laptops for a while.
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May 6, 2010
First off i use to have a dell Inspiron 1501 then i upgraded to the Inspiron 1545 which i know both of these 2 machines are a very basic low end computer
I just ordered a Dell Studio 1749 and its in the process of being built as we speak.. but with these newer computers technology im not very familer with.
1. my first question i was wondering if anyone knew of the release date the Studio 1749 came out.
2. is the I5 processor better then the duo core .....
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Apr 18, 2013
I have a Dell 1749 into which I have installed two OCZ Vertex 3 MaxIOPS SSD drives. Boot times are pretty fast using a single, non-raid, drive but I was thinking of configuring the two drives in a RAID 0 configuration to boost speed a bit further. I could not find anything in the bios settings that would allow the SATA controller to go to a RAID configuration. I guess, therefore, that at least the laptop that I have does not have RAID capabilities. Were there any Studio 1749 system boards that did indeed support RAID?
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Feb 25, 2013
The CD will play the songs etc... but it wont eject the disc. Tried soft key on the "UBL + srs Premium Sound panel" above Key Pad, plus tried using software bottons ie... In "Media Centre", Right clic in Explorer+eject...etc...
Sounds like it tries to Eject but can't..... Don't want to dismantle the hole laptop to get at the CD/DVD Drive.
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Feb 13, 2010
I've recently received my dell studio 1749 laptop with the following specs,
- i5 CPU 520m
- 4 gigs of RAM
- Intel HD graphics
- 320 gig HD
The problem with this laptop is that the fan will start to whine every few minutes seemly without reason.
I've done some investigation and found out the following:
- there seems be a threshold of 35 to 36 degrees celsius. Once the CPU hits that temperature, the fan will start to cool it down to under 30 degrees
- the idle temperature of the CPU is always creeping up, even without load. If I leave the computer alone at idle with almost no CPU activity, the temperature will creep up to the threshold...thus triggering fan.
the cycle repeats itself every few minutes.
I've attached a picture to illustrate the problem.
Since this is my first laptop, I want to ask does the CPU temperature stay constant during idle? or does it creep up like mine?
Can the threshold be modified?
Is this normal with the dell studio?
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Aug 12, 2014
My daughter's 1749 laptop shut itself off and now when you plugin the power adapter, the light over the plug on the laptop blinks three times. It will not power on at all.
I have replaced the power jack in the laptop as well as the cpu and tried different known-good ram but nothing makes any difference. What does the light over the power jack blinking three times indicate?Â
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Jan 21, 2015
The touchpad on my Studio 1749 is erratic - it zooms in and out or scrolls when all I am doing is moving the cursor around the screen. I have updated drivers recently and run Dell Detect.
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Apr 20, 2010
I just bought a Studio 1749 with a Dutch US international keyboard. The US backlit keyboard is the only backlit one and not an option here.
The only difference is the missing € symbol at key number 5, for which I don't care so much.
Now I'm trying to find the US backlit keyboard at eBay or Amazon without success. Is there a way to find one aftermarket and get it shipped to Europe?
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Oct 19, 2011
I'll be using the computer and all of the sudden it turns off, it doesn't log off or say it's shutting down, I mean it literally loses all power. Then I try to restart the computer and you can hear the machine start to come on but then it dies again. I've tried charging it, I took the battery out and put it back in, etc. I'm just not sure what the problem is. I've only had the laptop for 1 year and 3 months and a few weeks before the year warranty expired the computer started to say that the battery life was coming to an end and so Dell had to send me a replacement battery. I've tried leaving the computer alone for days at a time and still nothing and of course it's no longer under warranty so I can't even call Dell without getting charged.
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Dec 24, 2012
Windows update changed my keyboard and pointing devices to standard ps/2.Â
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Mar 23, 2013
I returned from windows 8 to windows 7 64 on my Dell Studio 1749 because i had a Hibernation problem.Â
Now the problem is not solved, i've the same in my windows 7 64 (when the laptop hibernate, it freeze). I think it  is a bios error, and i want Reset it, but, if i try to  reinstall the last bios, installation program does not work and report: "the last bios is already installed).
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Apr 6, 2010
For those in the UK/Europe who ordered CTOs with the extended battery...
Did the extended battery come attached to the laptop in the box in place of the standard one, or is it sent separately, in addition to getting the standard one
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Mar 13, 2010
I was looking for 2nd Sony VAIO VGP-BPL13 Extended Battery for my FW590
SonyStyle, Newegg and Amazon is no longer available!.
Do you know a trusted place to buy one with a respectable price?
if there's no way, does sonystyle has another model can fit on the FW ?
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Oct 29, 2009
where I can get the extended battery for the FW590 for a reasonable price?
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Jan 21, 2009
Why is it that the sony extended batteries come out from the bottom of the laptop(the z-axis) instead of out the back(y-axis), I kinda feel the Lenovo approach towards extended battery makes a lot more sense...
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May 8, 2009
i've been looking for an extended battery for my vaio z; and it doesn't seem like it's easy to get a hold of one in europe.
i'm asking for the serial number of the battery so as to ease up the search (i.e., the vgn-xxxxx serial)
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