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 Z500 Brightness Adjust Function Doesn't Works - Windows 8.1

Oct 7, 2013

I open this post to report a brightness problem on Lenovo Z500 Ideapad. Yesterday I've upgraded to OS Windows 8.1 and when I adjusted the screen brightness it goes off, and brightness adjust function doesn't works. I've solved my problem reinstalling the Intel video drivers, downloaded from Lenovo Driver Support.

It seems that Windows 8.1 upgrade disables video drivers.

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Lenovo P/Y/Z Series :: IdeaPad Z500 - Screen Brightness Adjust Key Not Working

Feb 4, 2015

I own an Ideapad Z-500 notebook running Win 8.1.After updating Intel graphic adapter from Windows Update the screen brightness adjust key (F11 and F12) stops working and I cannot adjust my scrren brightness.I have to uninstall it and disable Windows update to keep using my laptop.

Here are driver details.

Name: Intel Corporation - Graphics Adapter WDDM1.1, Graphics Adapter WDDM1.2, Graphics Adapter WDDM1.3 - Intel(R) HD Graphics 4000
Pubblished: 01/11/2014

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Lenovo P/Y/Z Series :: IdeaPad Z510 Brightness Set To Zero When Turned On So Adjust It Manually All The Time On Ubuntu

Mar 14, 2014

I have lenovo ideapad z510 came with windows 8.Then I have installed ubuntu 13.10 on it. But when ever I turn on my laptop in ubuntu brightness set to 0 & I have to manullay adjust it.

How could i turnoff it s.t. it stays as it is.

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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 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 U/S Series :: S405 Windows 8 Cannot Adjust Brightness

Oct 8, 2013

I have had this computer for about 9 months and just recently have been unable to adjust the screen brightness. I have had this problem for a couple weeks and have installed all available updates and restarted the computer. I could not find any relevant information on this issue. My product is in warranty until December ....

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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 :: IdeaPad Z710 - How To Disable Function Keys

Jan 6, 2014

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

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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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Lenovo B / G Series :: Can't Adjust Or Change Brightness With The Hotkey

Jun 3, 2014

I can't adjust or change my brightness with the hotkey (F11 and F12) or even with the slider in settings. option brightness of my laptop doesn"t change it is stationary.

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Lenovo P400 P/Y/Z Series :: Touch Screen Brightness Won't Adjust

Apr 13, 2013

I used my brightness down button once and now it won't go back up. I can't adjust the settings at all, despite the graphic on the screen showing me the meter going up and down. I've checked all drivers, tried uninstalling and reinstalling lenovo energy management, and I've still got nothing. I've stopped short of a factory reset because that's super annoying having set everything up and then a couple weeks after purchase have to do it again.

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Lenovo ThinkPad W Series :: W540 Cannot Adjust Screen Brightness

Feb 8, 2015

I have a  W540 with 3K Ips panel and Windows 7 Pro 64bit.

I recently installed a new hard drive and installed windows 7 pro 64 (previously on the other hard drive was Windows 8.1 Pro 64 bit ( there I could change the brightness ) )

My problem is that I can not change the brightness .

I've already tried:

-Reinstalled all NVIDIA driver
-Reinstalled all Intel graphic drivers new
-Reinstalled Intel and Nvidia drivers simultaneously
-Remove Lenovo Power management
-Tried to install NVIDIA driver from the Lenovo and the Nvidia page
-Reinstalled Windows

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Lenovo P/Y/Z Series :: IdeaPad Z500 Brightness Can't Increase

Nov 24, 2012

I have a new z500 that I've downgraded to Windows 7 64bit. For the most part I have everything working. I accidentally hit the brightness + (yes, +) and it instantly dimmed the screen to where it is barely viewable. It seems that hitting that one key decreased the brightness to the minimum amount. I've rebooted, looked for a setting in the BIOS, hit the Brightness +/- and can't increase the brightness. It is interesting because the other hot keys work correctly. I've even upped the brightness in the Control Panel, but nothing seems to work. The screen is extremely dim whenever the machine is powered on (including the BIOS), not just in Windows. I tried a lot of intel chipset drivers, the available Intel HD 4000 drivers in Win8 and win7 too, but nothing working. How to up the brightness? 

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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 :: 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 7.0.3.4 ...

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 7.0.3.4 without problem?

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Lenovo ThinkPad L R/SL :: L520 - Can't Adjust Brightness

Jan 10, 2013

Another problem on my Lenovo Thinkpad L520: After installing the Lenovo Power Management Driver, I can no longer adjust the LCD brightness by using the FN+DEL/POS1 keys. Immediately after adjusting the brightness, it gets reverted to its old value, set in the Power Management software.
 
I tried the Windows 7 driver (1.65.05.21) and the WIndows XP/7/8 driver (1.66.0.22), both with the same result.
 
This is really annoying and I am very frustrated with Lenovo right now, since this is not the only problem I am having with the laptop.

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HP 15 R022TX Display :: Unable To Adjust Brightness And WIFI On Windows 8.1

Aug 7, 2014

I have installed Windows 8.1  and  install most of the drivers fro HP reccomended link. Even after that I am not able to adjust my brightness and WIFI .

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HP Pavilion N208TX Display :: Unable To Adjust Screen Brightness In Windows 8.1

Sep 25, 2014

I m using HP Pavillion N208TX with windows 8.1 64 bit version. i m not able to adjust screen brightness from f2 and f3 button and from the power setting also. when i press these buttons it shows the slider to adjust the brightness on top left corner of the screen but its does not adjust the brightness from low to high. i have already updated the Intel HD Graphic driver...

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Lenovo P/Y/Z Series :: Windows 8.1 In English On IdeaPad Z50-75

May 6, 2014

I bought my laptop from france so windows is in french ... I installed language pack core of system is still in french. How could I install legit windows 8.1 on it that is in english.
 
Not now but near future I want to replace that slow hard disk that is in it from shop to faster SSD and then again I need to know how to get that windows there ... back in the days it was easy, you had that number and you had the disk how does it work now ?

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Acer Aspire V5-431P-4653 :: Cannot Adjust Screen Brightness Running Windows 8.1

Feb 27, 2015

I am having an issue with my Acer Aspire V5-431P-4653 running Windows 8.1, namely, I cannot adjust the screen brightness at all. It seems to arbitrarily select a brightness level upon start up and from that point I cannot change it via the Fn and directional keys or through the control panel power settings. I have owned the laptop for a year and a half and this problem began roughly a week ago. 
 
Of note, when I attempt to use the Fn and directional keys the brightness icon that pops up stays at the frozen brightness level - it does not move at all. In contrast, when I open the power settings and attempte to change the brightness from there, the brightness slider will move wherever I drag it, but the screen's brightness itself does not change. At startup the screen's brightness may be at full, minimum or somewhere in between - but regardless it will not adjust.

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Lenovo T400 / T500 :: T530 - Unable To Adjust Screen Brightness Using The Power Manager

Oct 26, 2014

I can't adjust my screen brightness using the Power Manager. Updating to the latest release of the ThinkVantage Communications Utility did not solve the issue. I can't make the screen either brighter or dimmer.

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Lenovo P/Y/Z Series :: IdeaPad Z580 - Windows 8 And SSD Disk

May 13, 2013

About a year ago I bought a Lenovo IdeaPad Z580 with Windows 8 preinstalled. My question is this:
 
I  want to upgrade my hardware by replacing my current hard disk with an Solid State Disk. The problem is that in windows 8 there is not any program except the OneKey Recovery which obviously it isn't a Microsoft's official recovery application (such as the one in Windows 7). If I create a disk with OneKey then is there any way to use it to install windows 8 on the new SSD disk? How the pc is gonna recognize a backup disk created by an application which is not installed on it?

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Lenovo P/Y/Z Series :: Upgrade IdeaPad Z570 To Windows 8

Sep 29, 2014

i have a ideapad z570 running win 7. i want to use win 8 now, i want to erase the data from hidded partition, i want to edit the data in hidden partition such that, if One key is used later, it installs win 8. dont suggest visiting to lenovo service center.

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Lenovo P/Y/Z Series :: Windows 8.1 And Fedora 20 Dual OS In IdeaPad Z50-70

Feb 4, 2015

I have bought a Lenovo Z50 70 laptop with free DOS. I have sucessfully installed Windows 8.1 in it. I want to install Fedora 20 alongside with windows 8.1. But I have failed to do this after trying so many times.
 
I have noticed the following things in my laptop
1. In windows 8.1 recovery option on menu is displaying for UEFI firmware setting. ( I have installed windows 8.1 in legacy support mode in BIOS)
2. In BIOS setup (tapping F2 at the time of booting) no "Secure Boot Option" is displaying.

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Lenovo P/Y/Z Series :: IdeaPad Z50-75 - Can't Install Windows 8 - Not Booting From DVD

Dec 24, 2014

I've bought a Lenovo IdeaPad Z50-75 ( with Free DOS ):
 
Bios Version: A4CN24WW (V 1.03)
 
I am trying to install Windows 8 but it just doesnt work. not matter if i allow secure boot or disable it. no matter if i choose from the "OS Optimized Defaults : [Win8 64bit]"
 
I changed the boot priority so that the DVD-Reader is on the highest place (1). Got a working Win8 DVD, also got win7 professional, but i'd rather install Windows 8.
 
Even though Win7 is okay too if it'll work then.
 
I don't know what to do other than switching around between all those options. and it doesn't work at all.
 
Whenever i start the laptop and choose to start with the DVD-Reader it lights up and nothing happens.

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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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