Lenovo P/Y/Z Series :: Y510p With Windows 8.1 Brightness Slider Not Working
Feb 14, 2014
I will keep this short, I have a Lenovo ideapad y510p with Windows 8.1 (I got it with 8.1, did not upgrade from 8) . I noticed a problem yesterday, where I cannot adjust the screen brightness. If I use the keyboard commands (Fn + Up and Fn + Down) The slider appears on the top left of the screen, as always, but does not “slide” It stays static.
If I move the slider on the Setting menu, I can slide the value but the brightness does not change and the value is not reflected on the slider on the top left of the screen.
I am not sure when this happened for the first time.
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May 19, 2013
Why neither the display brightness slider nor the F8/F8 brightness function keys cause any change to the display brightness? It used to work but for the past few weeks it's not. I thought that slider was able to override any preset power settings.
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Feb 10, 2015
I've got Y510p with USB 2.0 not working. By the time it malfunctioned it was under warranty and I sent it in the service center. They have claimed that it has been repaired (USB board has been changed) but it is still not working and my warranty ended like 3 days after I sent it back. Since then (1 month ago) I am returning it to the service center for 3 times (last one was today) and I feel they can't fix it. URL....
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Jan 3, 2015
When I recieved my Y510p about 8 months ago, the usb ports worked perfectly fine. Around October they stopped working properly. The only solution which I found to work was doing a system restore. When I did this, an Unrecognized Device in the Device Manager was no longer unrecognized, and was instead replaced by USB xHCL (or something along those lines). However, as soon as i restared my computer again, the ports broke, and the unrecognized device reappeared. Repeating the restore followed by a restart breaks the ports every time.
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Jul 30, 2014
I'm on a roll with my new y510p. Last night I got the unit new from Lenovo outlet, and the battery wont' charge past 33% (covered in another post) and now the wireless adapter isn't working.
I can't connect or find any wireless networks, though I could last night. And the windows networking troubleshooter can't find anything. What's more, when I go to the command line and type 'ipconfig /all' nothing appears, no network adapters at all.
I've rebooted several times and even tried the Intel wireless proset (believe that's what it's called) utility that comes with the laptop. It squawked on the hardware test-- something about not 'wireless hardware is not bound to transport driver'.
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Aug 27, 2012
I just bought my laptop. Installed Windows 7 clean 64bit on it.This is the laptop's product page. I can't change the brightness of my laptop's screen. I can't do via the [Fn+Up/Down] combo nor by the Windows Power Options interface.
I tried all combos of installing and uninstalling the Lenovo Energy Management. (I got v7.0.4.1 on my laptop).I tried un and installing Intel HD 4000 (Driver v8.15.10.2696). I get Lenovo ACPIVPC v7.1.0.1 (12/15/2011) when installing the energy management thing.I've tried to install as least as possible other Lenovo crapware.
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Jul 4, 2010
I have a W500, ATI Mobility FireGL V5700, Windows 7.
When I press FN+Home and FN+END to regulate brightness up or down, the brightness symbols turn on and goes up/down, but the screen brightness is not regulated up or down but stays constant somewhere in between.
What can I do to get "brighness" working?
It has never worked, the computer is 2 months old. I have upgraded from Windows 7, 32 bit to 64, but brightness is still not working.
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Feb 11, 2014
I tried to update my y510p to windows 8.1 twice now. But when the installation finishes i get a black screen with a cursor. I tried to boot in safe mode to install the right drivers, but it wont let me. It automaticaly boots and restore the previous version of windows.
So I'm wondering if i should take some precautions before i update to win8.1 (Like instaling the win8.1 display drivers?)
Maybe a better question is if I sould at all update to windows 8.1?
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Oct 17, 2013
Today I installed the windows 8.1 (realease version, from the windows store), and although my screen resolution is 1920x1080, the image sucks! It seens much pixelized and with less sharpness..
For example, look at this screenshot of my taskbar. Look at the chrome icon.
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Jul 18, 2014
I just got my brand new Y510P and realized that is unable to start Windows. Initially it displayed error "Windows could not parse or process unattend... [...unattend.xml] for pass [oobeSystem]..."
After reboot it start displaying another message - "Windows could not complete the installation... restart the installation".
The operation system is Windows 8.1.
Looks like I'm not the only person with this problem. System recovery doesn't work, obviously (as well as graceful Lenovo tech support).
I think that the problem caused by incorrect unattend.xml file which fails to install some unnesessary software and because of this error blocks Windows from finishing the installation.
I see no other way rather than install Windows from another source. I don't want to pay for another Windows license and rather send the laptop back to Lenovo, but maybe there is another way?
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Mar 15, 2014
I received my Y510P monday and the performance has been as expected. But Win 8.1 would often freeze, hang, even on restart and shutdown screen where I had to manually shut it down. I have found that uninstalling expresscache seems to have solved the hangups/freezes... I tried uninstalling, clearing my cache drive, and re-installing with latest expresscache version but still the same problem. Had to uninstall it. Is this a compatibility thing with win 8.1 or a hardware problem? I ran Seatools, and the SSD passes all the test EXCEPT long generic. Although SSDLIFE says that it is in perfect condition and should be good until 2022.
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Mar 29, 2011
I just got the x120e and I already went through and fixed it auto-brightening itself. After I hit the Fn + Home and adjusted it to my preference. It was not on the charger when I did that and I was in a darker room so I had the brightness down lower. Later on in the day, I plugged it in to charge and I went to make it brighter. The brightness is not changing however. All the oher Fn + F keys are working. Just not the two for brightness. The weird thing is, I shut the computer, waited for it to enter sleep mode then opened it up again and it was really bright and I had to pretty much squint, but again the keys were not working to lower it. I closed it again and opened it and it is again dimmer. The keys still aren't working.
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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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Feb 20, 2014
I recently bought the Y510p laptop and upgraded windows to 8.1
Since the upgrade i'm getting contant freezing, which could last 10seconds or 10minutes.
Any time i restart the computer it will hang, and the only way to kill is it to press on Power button.
Checked the eventviewer and i found the following warning appearing every minute:
Log Name: System
Source: iaStorA
Date: 20/02/2014 17:36:40
Event ID: 129
Task Category: None
Level: Warning
[Code] ....
After long research i came to conclusion that the ExpressCache is causing this.
The moment I uninstalled it, issues disappeared. System will restart without any issues, it won't freeze either.
Checked the following article: [URL] ....
Tried to re-install ExpressCache but the issue started to presist straight away, constant freezing and the above message in event viewer.
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Apr 15, 2014
Its been quite a while (3 months ) that ive upgraded my windows 8 to 8.1 . I didn't bother checking it till now that I cannot connect to any ethernet network at all. Ive tried evrything from disabling ipv6, updating network drivers and even resetting the routers like a gazillion times but i've had no such luck in any of the process ive done so far .
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Nov 25, 2013
So I purchased a y510p from a retailer yesterday and was very happy with it. First thing I did was update to Windows 8.1. After updating, I get VERY unreliable, weak wi-fi signals and limited connectivity on all wi-fi connections. My wireless card is Intel Centrino Wireless N-2230.
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May 27, 2014
I've got 2 separate but really annoying issues with my W540 20BH:
- display brightness keys not working: when waking up from Hibernation mode, sometimer (really, randomly!) the display brightness keys (Fn+F5/F6) don't work.... either if the display brightness is stuck on max, min or an intermediate level...Is there a way to shut down and restart the process which commands the Fn keys?
- audio channel commutation gets stuck. Normal behaviour of the audio configuration is:
1) speaker volume disabled, mic disabled
2) when plugging in a 4-pin headset, headset's volume is on, headset's mic is switched on; speaker volume is still disables.
3) when unplugging the headset, speakers' volume is still 0
After each boot, the audio channel is at 0, but doesn't commute to the headset when plugged in! I have to open Configuration Panel, realtek properties. With this window open, unplug and re-plug the headset. Now, the volume has its normal behaviour.
Any better way to configure audio channels and evenments, which is able to bypass realtek's manager?
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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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Nov 11, 2013
I had lenovo g500s recently with windows8 64bit preloaded. I got bored from windows8 and downgraded to windows7 home premium 64bit (a difficult procedure by the way)....
Windows 7 worked very fine after installing the device drivers, except for the LCD brightness that doesnt respond to any fine adjustments...
In the main page of windows power management, as well as the keyboard hotkeys, the slider either goes to the maximum or minimum brightness (no stages in between though in windows 8 there were > 6 stages)....
In the advanced settings screen, as far as i adjust brightness (for example to 50% on battery, 70% plugged in) this doesnt lead to any change in the brightness practically....
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Nov 12, 2014
Brightness on thinkpad doesn't work.
I have reinstalled my thinkpad W540. For display driver I have downloaded latest version from Nvidia. All other drivers are installed from Lenovo website.
OS: Win8.1 pro
When I push the F5 or F6, display brightness bar is shown, but nothing happens.
Already tried
- reinstall drivers after delete device in device manager
- reinstall programs after delete all drivers from nvidia and intel in program and features
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Nov 13, 2014
I can't adjust brightness ....
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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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Oct 26, 2013
My lenovo Y510P used to always be at 100% but I have realized it has been decreasing by 1 every day. I have it on Maximum Battery Life with the Energy Management application.
It is currently at 85% and I would have posted this sooner if I had payed attention. I changed it to Optimized Battery Health and it is now dropping, currently at 75%.
I always leave the laptop plugged in because I usually play games on it such as battlefield, dayZ, counter strike, etc.
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Jan 4, 2014
I've been playing Battlefield 3 for some time on Auto settings (most of them are Ultra) and my FPS were always in the range 65-85. Yesterday morning everything was fine, however at night when I opened the game again I had 10-15 FPS. I haven't changed anything in my laptop settings so I don't know why this is happening.
P.S: I only have 1 GPU (not the SLI version) so I know it's not a loss of power. But my battery settings are set to "Optimized battery health". Does it affect performance ?
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Sep 13, 2013
I have an Y510p laptop and I am not pleased with the hdd performance, so I wanted to add an SSD, but the slot is literally missing:
what am I supposed to do? I know that this laptop supports only M.2 SSD, and I am ok with that
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Jun 6, 2014
I bought Lenovo Y510P . and because of just hyper-v feature on win 8.1 pro also i need to upgrade windows. I found product key with a software and after that i open the "add feature to windows 8.1" . And when I choose "i already have product key" and put the product key , it does not accept . and says "this key won't work" .
So what i should do for getting windows 8.1 pro pack ? and why product key does not work ?
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May 6, 2014
Is it possible to overclock the GPU and CPU a lil' bit in my y510p ?? If yes, how much can i boost it up and if it's worth it though...?
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Apr 9, 2014
My Y510p has been freezing on startup, every startup. It can be completely inoperable for upwards of half an hour before unfreezing. It unfortunately has been occuring since the computer arrived (21 March, this year), so I doubt it has been caused by any software I've added. Given my limited knowledge of computers.
Lenovo Y510p Model 20217
Windows 8(64 bit), Intel Core i7-4700MQ CPU (2.40 GHz), NVIDIA GeForce GT750M, 8GB RAM
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Jan 10, 2014
I have a new y510p I just received this week. First thing I did was replace the 1TB HD with my own OCZ Vertex 4 256GB SSD Drive.When I power on the laptop for the first time, it does not find a bootable device (goes through network devices, then says no bootable devices). If I use ctrl-alt-delete to reboot the laptop, it then finds the drive on its own and starts booting into Windows.
I'd like to understand why this does not work on the first boot? I went into the BIOS and saw it says there that no drives are detected.This worries me slightly, as perhaps one day it will decide to no longer recognize the drive after the ctrl-alt-delete?
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Jun 9, 2013
Is there any way i can clone the stock hdd on my y510p to an ssd without losing one key recovery?
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