Lenovo P/Y/Z Series :: Z710 Power Management Can't Install Windows 7 64bit

Apr 24, 2014

Z710 power management can't install, win7 64 because "Windows can't verify the publisher of this driver software"
I pushed the "Install this driver software anyway" but the hardware still wasn't recognized after installation/reboot.
So I installed instead of that the Lenovo Energy Management Software Ver ...

This is working, but I dont know if it is a problem for my system becouse of incompatibility with the battery of Z710.

Any digitally signed driver for my Z710 or I can use the version without problem?

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Lenovo P/Y/Z Series :: Z710 - Update 8.1.1 Failed To Install

Jan 14, 2014

How do I get this to install ? All the other updates were installed on the same day with out a problem.

I have tried some fixes posted on the MS site and none have worked so far.

I have a z710 with OEM win 8.1 installed.

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Lenovo P/Y/Z Series :: Z710 Does Not Start When Unplug AC Power

May 7, 2014

I have problem with my battery. When i unplug AC power laptop is not started. It's running only when the AC is plugged in. Mabe it's a problem  with windows 8.1.

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Lenovo B / G Series :: G560 - Unable To Install Intel Rapid Storage Technology (IRST) Driver Using Windows 7 64bit

Nov 5, 2013

While trying to install Intel Rapid Storage Technology(IRST) Driver on my Lenovo G560 Windows 7 64bit OS it is not able to install and gives me some error regarding hardware not match or etc. error then i came to know that to install AHCI driver i have to change in BIOS Sata controller mode from 'Compatible' to 'AHCI' i tried so and then restart the system but it gives BLUE SCREEN error while windows startup logo and restart again, any solution to use Rapid Storage Technology on G560 and actually this driver was installed when i purchased the new laptop but after certain format and fresh windows installation its no more able to install, how to install it back..........

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Lenovo P/Y/Z Series :: Restoring Date For IdeaPad Z710 With Windows 8.1

Jul 16, 2014

I would like to restoring my PC but I cannot create restoring date earlier than 7 days.

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Lenovo Z710 P/Y/Z Series :: Get A Physical Or Digital Copy Of Windows OS?

May 20, 2014

I recently purchased a Z710 with 8.1. Is there a way to get a physical or digital copy of my Windows OS in case I ever need to reinstall? OneKey cannot be a replacement for this?

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Lenovo P/Y/Z Series :: IdeaPad Z710 With Windows 8.1 - Cannot Adjust Brightness

Nov 13, 2014

I can't adjust brightness ....

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Lenovo P/Y/Z Series :: IdeaPad P500 - Power Management System Isn't Compatible

Mar 1, 2014

Ideapad P 500 Touch - What driver do I use? I tried em8. driver. It will not work. It also has caused an error using my function keys on my key board.  Error message:
"Compatibility issue between your power management system and Windows
Your power management system isn't compatible with this version of Windows.
The model name of your power management system is Lenovo ACPI-Compliant Virtual Power Controller."

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Lenovo ThinkPad Yoga S1 Series :: Power Management Driver Disabled

Jul 19, 2014

I have since a few days my Power managment driver which doesn't recognize the battery any more.I have checked in the Windows Device Manager, which says: "Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged. (Code 19)".Can it be related to a very recent Windows update I have made? (I'm on Windows 8.1)

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Lenovo P/Y/Z Series :: IdeaPad Z710 - Dolby Home Theater V4 Doesn't Work After Windows 8.1 Upgrade

Jul 25, 2014

I started using my laptop with Windows 8 and everything was working fine. But then Windows upgraded to 8.1 and now I cannot get the Dolby Home Theater v4 to start, I always get the error message about driver.

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Lenovo X230 Series ThinkPad :: Battery Drains Quickly In Sleep Mode / Power Management Center Won't Run

Apr 15, 2009

I have my lenovo x230 laptop set to sleep when I close the lid. When I close the lid the "sleep" icon on the back of the screen lights up. But the batter will not last through the night on sleep mode. Within five hours or so, the battery is completely drained and I have to plug in and boot up the system. I've never seen such poor batter performance during sleep mode on any other laptop I've ever owned. 
Another thread in this forum blames the USB port that allows you to charge mobile phones/etc. during low-power states and recommends disabling the "always power on" option fo this USB port in the Bios settings. At least my laptop still will not make it through the night in sleep mode. 
At this point, it seems my ownly option is to use sleep mode only when the laptop is plugged in and hibernation mode when on batter power, which is disappointing. I've never had to worry about this in the past with other laptops. Perhaps/probably related is the fact that the lenovo ThinkVantage Power Manager (v. 7.16) hangs at the splash screen when I try to open it, so I've been trying to manage the power through the windows control panel power settings.

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Lenovo X Series ThinkPad :: Windows 8 Pro 64bit - Max Ram For X200s?

Feb 23, 2013

I'm running a Windows 8 Pro 64bit on my Thinkpad X200s. What is the absolute more ram usable and recognized by the laptop?

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Lenovo P/Y/Z Series :: Y50 Video Lag On All Software Windows 8.1 64bit

Feb 11, 2015

I have noticed that on my Lenovo Y50 Windows 8.1 64 bit when I play video files (mp4 or mkv) on both VLC player or Windows Media player or this other Video app that is installed by default on Windows 8.1 they are all laggy. The only difference is how they are laggy on each software, VLC for instance gets like invert colour grey kind of lasting 3-5 seconds inserts. On WMP it slows down and then speeds up quickly to catch up every 15- 20 seconds lasting for a bout 3 seconds and very similar issue on Video app. There is no problem with online videos, only what's on my computer. 

I have checked my video drivers, seems to be up to date.

System Manufacturer: LENOVO
System Model: 20378
System Type: x64-based PC
GeForce GTX860M driver version 347.52
Processor(s): 1 Processor(s) Installed.
[01]: Intel64 Family 6 Model 60 Stepping 3 GenuineInt
el ~2501 Mhz


Lenovo Y50, 16GB RAM, GTX860M

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Lenovo P/Y/Z Series :: Very Slow Browsing Z710

Feb 9, 2015

Just purchased Z710 laptop. I am astonished at the poor performance while browsing the Internet. My 8 yr old Dell/XP outperforms this thing. I hope there is a relatively simple fix for this or I am in deep trouble. Pages slow to open, videos constantly buffering. Multi-tasking is out of the question.

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Lenovo P/Y/Z Series :: Z710 Noisy DVD Drive

Jan 2, 2015

My Z710 (purchased in April 2014) makes a horrendous buzzing noise when reading a DVD. It appears to be just the DVD faceplate. Oh, and the eject button doesn't work either... so you have to eject through the windows file mgr device control. Neither problem is earth shattering/fatal, but bugs me enough to write this post. Does Lenovo ship a replacement drive in cases like this? I wouldn't dare send in the entire laptop just to have the DVD drive replaced.
BTW, installed Win7x64 on a samsung pro SSD, and this thing is very snappy now. Love the laptop so far with the exception of the track pad which is just about unbearable.

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Lenovo P/Y/Z Series :: Z710 / Fn Buttons Is Not Working?

Jul 29, 2014

Only Fn+space work.

I have Windows 7 Ultimate 64 and why this doesn't work.

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Lenovo P/Y/Z Series :: Z710 - Touchpad On / Off Setting

Mar 13, 2014

The touchpad on/off function does not persist through system lock/unlock. For instance, with the touchpad disabled, locking my computer will re-enable the touchpad (as will signing back in to my computer account if I take the trouble to disable the touchpad before entering my password).
I permenantly use an external mouse, want to leave my touchpad disabled as it interferes with typing. Thus, I see this as a bug. Is there any way to change this behavior short of a bug report? Perhaps some buried setting?
Running Win 8.1, user is account password protected, but not linked to a Windows live account.
Edit: Laptop has a Synaptics touchpad.
Solution: Solved by going into Control Panel -> Mouse Settings -> Change Mouse settings -> Device Settings -> Settings (Device needs to be enabled for this to be accessible) -> Advance Tab ->  Touchpad Status
Under touchpad status, setting was changed to 'keep previous enable/disable status'.

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Lenovo ThinkPad W Series :: W540 / Windows 8 64bit - Fn Keys Not Working

Mar 9, 2013

I have a brand new W540 with Windows 8.1 running. Some Fn-Keys are working, for example Fn+F2 for the volume. But I have some keys which are not working: Fn+F5 or Fn+F6 should change the LCD brightness.
Why these keys are not working? All updates are applied (Lenovo and Windows)...

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Lenovo P/Y/Z Series :: Unauthorized Battery Message On Z710

Oct 26, 2014

I bought this Z710 new but I get a message saying "The battery is unauthorized". Also the battery indicator stays at "0% available (plugged in, not charging)." If I unplug the power cord, the laptop powers off cold. It has always been this way. This is a problem for me because I want to upgrade my BIOS but I can't because I get an error stating "Battry is too low (0 < 30 ). Please charge your battery to 30%." when I try.
How do I get this laptop to start interacting with its battery? I have already tried taking it out and putting it in again and rebooting.

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Lenovo P/Y/Z Series :: Z710 - N Key Doesn't Work 4 Out Of 5 Times

Jun 28, 2014

Laptop just arrived!  However, my N key doesn't work 4 out of 5 times.  I have slowed my typing down so I can verify I am pressing the key firmly enough and I am.  I have to press it multiple times for it to finally type the letter N. 

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Lenovo P/Y/Z Series :: Can't Boot From Disk Or USB On IdeaPad Z710

Oct 26, 2014

I'm trying to Install Debian GNU/Linux on my Windows 8 Ideapad Z710, and I can't even get my laptop to boot from external media. From the InsydeH20 Setup Utility, I've so far disabled Secure Boot, set Boot Mode to UEFI, enabled USB Boot, enabled PXE Boot to LAN, and set my EFI boot order to 1) EFI Network 0 for IPv4, 2) EFI Network 0 for IPv6, then 3) Windows Boot Manager (no other options). I'm not actually trying to boot from a network, I just want to boot from the onboard DVD drive or my USB DVD drive. When I boot with these settings, I get the error: EFI Network 0 for IPv4 (...) boot failed, then a similar one for IPv6, then it boots to Windows. Why can't I boot from DVD or USB?
Another thing I've tried is setting Boot Mode to Legacy Support and Boot Priority to Legacy First (with Secure Boot disabled) which results in my laptop booting to straight to Windows even when USB ODD is first in the boot order.

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Lenovo P/Y/Z Series :: Z710 Touchpad Hot Key Doesn't Work

Dec 16, 2013

i just got my z710 the other day. clone the drive (for a rainy day). Then formated and installed Win7 Pro 64bit. i managed to get everything else in working order except i would like to occasionally turn off the touchpad. i use a mouse for games and such and the hot key doesnt work to turn it off. BTW every other hot key does what its intended to do.

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Acer :: Aspire 5000 Series Power Management

Mar 5, 2009

So my friend gave me his laptop to fix, and everything is perfect... except that the acer emanagement program doesnt have any power management options, like slowing down processor etc.

What can I do? Where could I find the proper Emanager?

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Lenovo P/Y/Z Series :: Windows 8.1 64bit - USB 3.0 Ports Stopped Working Suddenly On Z510

Nov 15, 2014

I tried plugging several devices into a USB 3.0 port on my z510 this morning to no avail.  The USB 2.0 port is working(I have a mouse plugged into it and it works fine) but the USB 3 ports will not work at all.  I tried looking at device manager; it says everything is working properly.  Power management doesn't turn any of the ports off.
It was working fine 2 days ago.  Is it possible to turn the ports off?  Because nothing is being recognized.
I looked for drivers on Lenovo's site; no USB drivers for windows 8.1 at ALL.  What do I do?

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Lenovo U/S Series :: IdeaPad S510p - Frequent And Unpredictable BSOD - Windows 8.1 64bit

Apr 29, 2014

My Ideapad S510p has accrued over 10 BSODs over the past 2 weeks. It is totally random, not due to putting it in sleep mode, and apparently is caused by a failure in the ntoskrnl.exe and usbehci.sys.
I have tried looking for malfunctioning devices, and disabled bluetooth as it was apparently not working.
I also installed several new drivers. This solved nothing, and I am at a loss of what to do entirely.

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Lenovo P/Y/Z Series :: IdeaPad Z710 - How To Disable Function Keys

Jan 6, 2014

Lenovo ideapad Z710 .... How to disable function keys?

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Dell :: Windows 7 Power Management

Sep 11, 2009

I've installed Windows 7 on 2 machines, 1 on my XPS 1340, the other on a Thinlpad X60s.

The Thinkpad is a fresh install, but somehow has a power management scheme where the battery isn't charged automatically even when plugged in, and dims the screen when the computer is inactive

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Lenovo Y40 P/Y/Z Series :: ELan Touchpad Two Finger Right Click Doesn't Work In Windows 8.1 64bit

Dec 27, 2014

I just got a Lenovo Y40 and the touchpad uses the ELAN software. I already set up two finger option to open right click (pop-up menu).

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Lenovo P/Y/Z Series :: IdeaPad Z710 Battery Only Lasting For 1.5 Hours With Balanced Use

May 17, 2014

I've just purhased the above for my son who is in hospital having chemo at present. Very disappointed with the battery that is only lasting for approx 1.5 hours. I have it set to a balanced use and so far the laptop has only been used for surfing, etc.

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Lenovo P/Y/Z Series :: IdeaPad Z710 Turns Off If Screen Is Tilted Back

Jul 25, 2014

I just got my new Z710 today, and if the screen tilts too far back (not excessively far, maybe a few degrees past 90), the screen will turn black. If I leave the screen in this position, the keyboard lights will turn off too. Once I tilt the screen forward and click or hit a key, I'm greeted by the lock screen, and have to enter my password again.

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