Ideapad Z500 Touch Win 10 Brightness Problem

Hello,
the Z500 Touch has/had the problem with the regulation of the brightness with Win 8.1, but reinstalling the intel video driver solved this problem.
Now - with Win 10 - I have got the same problem, but reinstalling the (intel) drivers doesn't help. I just can't regulate the brightness: The brightness sticks at the lowest level.
Does anybody know how I can solve this problem?
Peter

I'll try that. [Edit: Doesn't work for my Z500 touch. I copied those files but it didn't help. In addition, I'm not ableto reinstall the Win 8.1 Intel Video driver, because Windows 10 tells me the Realtek bluetooth or something like that program doesn't run with Win 10 :/] I've got another solution: Just set the driver of the on-board graphics to the previous version and the brightness problem is solved, but because of me having a graphics 4000 the performance with this "trivial" driver is just bad so that it's just a workaround.

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Hallo Nina345,
der Touchpad Treiber von Synaptics ist für das Touchpad unter der Tastatur, das hat mit dem Bildschirm selbst nichts zu tun. Wann hast du das Upgrade auf Windows 8.1 durchgeführt?
Ich gehe mal davon aus, das bei dem Upgrade etwas schief gelaufen ist. Die Touchfunktion des Bildschirms, wird nämlich von einem Microsoft-Treiber des Betriebssystems geregelt.
Geh bitte einmal in den Geräte-Manager und schau als erstes ob dort bei irgendwelchen Geräten ein gelbes Ausrufezeichen oder dergleichen mit angezeigt wird.
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hi luifej,
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Hi Petersont52,
Welcome to Lenovo Community!
As per the query we understood that you are facing issue with screen brightness in your Lenovo S415 laptop.
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Click here for the graphic driver for windows 8.1.
Click here for the graphic driver for windows 8.
Click here for the energy management for windows 7
Click here for the energy management for windows 8.
Click here for the energy management for windows 8.1.
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Artist8 wrote:
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Cheers!
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[Environment]
Lenovo IdeaPad U310 touch, Windows 8 (also tried Windows 8.1)
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Flashed BIOS using official Lenovo bits (65cn99ww.exe). No errors occured
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Cannot enter BIOS to view or change any settings.
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Thanks
Solved!
Go to Solution.

All,
When I navigate to the U310T (touch) on the support site, I'm not finding a BIOS update.
It may be that we have removed it. The U310 (non-touch) does still show BIOS 65 available here for Windows 8/8.1 and BIOS 21 on the same page for Windows 7.
Is it possible that you have a touch model and applied the non-touch BIOS?
Mark
ThinkPads: S30, T43, X60t, X1, W700ds, IdeaPad Y710, IdeaCentre: A300, IdeaPad K1
Mark Hopkins
Program Manager, Lenovo Social Media (Services)
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My iPod Touch 5 brightness suddenly turned dim but when I go to my brightness and wallpaper page in settings it is at the middle (Normal Brightness). Is this a bug in ios 6 or something?

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Need help with installing Ubuntu on Lenovo Ideapad Z500.

I just bought a new Lenovo Ideapad Z500 yesterday. It came with Windows 8 pre-installed. Now, I also want to install Ubuntu over it. The disk is partitioned as follows:
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hi rohitjain-rj,
Welcome to the Lenovo Forums.
On a Z400 Touch running on Windows 8 preload, shrinking the the C-Drive under Disk Management and creating multiple partitions on the unallocated space and then reverting the partition back to original made the One Key Recovery work as normal - haven't tested this yet on the Z500 as there's no available unit but chances are, it may also work.
In installing Ubuntu, have you tried to install Ubuntu via Wubi ?
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Boot Tab
Boot Mode - Legacy Support
Boot Priority - Legacy First
Exit Tab
OS Optimized Defaults - Other OS
Regards.
neokenchi
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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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Ideapad Z500 Touch Win 10 Brightness Problem

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