Windows 7 Forums
Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.



Windows 7: Huge battery drain on FZ38M

24 May 2009   #1

Windows 7 Ultimate x64, Windows Vista Home Premium x32
 
 
Huge battery drain on FZ38M

I have a Sony Vaio VGN-FZ38M with the default battery, a VGP-BPS8. On Vista 32bit I could get a couple of hours on the battery on power saver, but on Windows builds 7000 and 7100 64 bit I'm only getting a maximum of 40 minutes! When I mouse over the battery logo in the Notification Area it says I have a few hours but it drains much quicker than that! Is this a driver issue, a 64bit issue or a 7 issue, and is there any way to fix it?

Thank you in advance.

My System SpecsSystem Spec
.

24 Jun 2009   #2

Windows7
 
 
Check drivers and Power Profiles

Hi,

I recently installed Windows7 on my FZ38M and I didn't notice any problem with it (yet). I haven't used it a lot with battery but I will try it.
During the install I remember that it didn't find the drivers for Vaio Power Management. Maybe that's your problem.

Anyway, please check that you are using the appropriate "power profile" like battery mode or something like that. It should reduce the frequency of the CPU and therefore increase your battery life. WiFi takes an important slice of your battery as well.
My System SpecsSystem Spec
25 Jun 2009   #3

windows 7 HP 64bit
 
 

I find the same with my Asus EEE PC901 Netbook.
I could get close to 4 1/2 hours with XP but im lucky to get 3 with Windows 7.
I guess its just working a lot harder.
My System SpecsSystem Spec
.


25 Jun 2009   #4

Win 8 Release candidate 8400
 
 
power usage

Quote   Quote: Originally Posted by Fliplip View Post
I find the same with my Asus EEE PC901 Netbook.
I could get close to 4 1/2 hours with XP but im lucky to get 3 with Windows 7.
I guess its just working a lot harder.
Hey all welcome to sevenforums

I think you should check the power options in control panels. Win 7 could use slightly more power than XP but more likely its set to performance instead of balanced. I like the performance power because I run my lap brick on ac about have the time

Hopes this helps and again welcome to SF. keep on asking questions we learn from the answers too.

Ken
My System SpecsSystem Spec
25 Jun 2009   #5

Windows 7 Ultimate x64, Windows Vista Home Premium x32
 
 

Well I checked and double checked and it's definitely on Power Saver. If it's on High Performance I barely get five minutes.
My System SpecsSystem Spec
25 Jun 2009   #6

windows 7 HP 64bit
 
 

Yeah, mine on power save as well. Even the CPU fan is on passive while running on battery.
My System SpecsSystem Spec
27 Jan 2010   #7

vista
 
 

Hi on my Vaio i experienced the exact same problem despite the laptop being less than a year old. Sont stated batteries are not covered under warrenty but i could buy a new one for a special price of 160???!!
I said no thanks but i have seen some decent replacements with guarantees for about the 70 mark.
My System SpecsSystem Spec
27 Jan 2010   #8

Windows 7 Ultimate x64, Windows Vista Home Premium x32
 
 

Recently my battery suffered further problems: It didn't say how much charge it had left at all. Taking it out and putting it back in again solved the problem, but although I haven't had time to check on Vista yet I suspect the problem is in the batteries, not the OS. Speaking of which, I really need to actually buy a copy soon - I'm still on 7100!
My System SpecsSystem Spec
Reply

 Huge battery drain on FZ38M





Thread Tools



Similar help and support threads for2: Huge battery drain on FZ38M
Thread Forum
Laptop won't boot fully after battery drain General Discussion
How often should I do a power drain? Performance & Maintenance
Is windows locked drain on battery General Discussion
Battery drain during hibernate Performance & Maintenance
Shower drain unblocker. Chillout Room
Battery Drain while powered off ? General Discussion
Battery Drain Hardware & Devices

Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 10:17 AM.
Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App
  

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33