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Y510p Screen Stays Black Upon Wake-up From Sleep O.


In summary: What Works    Graphics with full acceleration QE/CI (using Intel GPU only) Audio using AppleHDA HDMI Audio Ethernet (LAN) WiFi / Bluetooth (after replacing the Intel card (incompatible) with Within windows , you can try to check for system file integrity using sfc /scannow on elevated CMD . then ask you later thanks you.Click to expand... It works pretty well with both CI/QE enabled. have a peek here

Attached are all the files needed. About Us| Advertising| Media Kit All Rights Reserved, Copyright, TechTarget| Read our Privacy Statement Login _ Social Sharing Find TechSpot on... This seems a little tough. Only in SSDT-3.

Lenovo Y700 Screen Wont Turn On

Compare register values when "working" and "not working"... The time invested in reading and following up would be much more than iterating over the changed ones.Yes, it took me more than a month to figure out Haswell backlight...So something But... Use them to finish the first time initialisation and creating the account.

I installed the kexts and made some tests for some variables using ACPIPoller. You can also use ACPIPoller.kext to have the dump happen every second. However, there are issues prevents configuring those Nvidia GPUs correctly. Lenovo Y700 Screen Flickering I thought I was having a slightly different issue from you guys as mine always showed the banding, but I just switched to UEFI Boot in the BIOS and now I

CSM enable/disable can affect how the IGPU is initialized by BIOS. RehabMan Moderator Joined: May 3, 2012 Messages: 141,901 Mobo: Intel DH67BL CPU: Core i7-2600K Graphics: Intel HD 3000 Mac: Mobile Phone: Mar 3, 2015 at 4:25 PM #870 RehabMan Moderator Joined: Overview: This guide will always be incomplete (this is not a mac anyway) and I will refine it overtime time as needed This guide is intended to help the very newbies I tried the fix posted in OP.

The work introduced here is gathered and collected from many sources. Lenovo Y700 Remove Battery Since Lenovo Y510P have Windows installed in UEFI mode, I will simply install OS X in EFI mode and use Clover EFI bootloader to be able to boot either OS since Also Y410p seems to have this problem. You can use vanilla kexts for this guide.Click to expand...

Lenovo Y700 Black Screen Of Death

Refer to the IGPU PRM Linux/opensource docs for the Intel hardware: I hope we can do this (I was hoping to avoid it as it is a big mess). First we create a space to install OS X in. Lenovo Y700 Screen Wont Turn On I installed FakePCIID.kext, FakePCIID_HD4600_HD4400.kext and FakePCIID_Intel_HDMI_Audio.kext (Debug versions). Lenovo Ideapad Black Screen Problem There's a few recent posts from people who decided to update drivers and have got into a mess.Click to expand...

The only improvement that can be made is to enable Legacy Support in BIOS which will replace the transition glitch with black screen. navigate here Forcing or waiting for screen to blank/sleep then waking up restores display See comments 8 & 10 for further info, demonstrations ** Please note that this bug is being filed on if so, could this mean a driver patch is needed (the guys tried few patches in this thread and all failed)? Start installing Clover on the USB (the partition “MacOSX Installer”) with these options: Install for UEFI booting only. Lenovo Y700 Black Screen Fix

Only black screen no boot menu or screen. Usually, init code must follow strict guidelines regarding order.I tried to change the value of the register manually by setting the same value before display off/on. This is not an issue with Y510p only but also reported with Y410p and now G510 as well. Check This Out If it was the same as reported in the registers dump then it is at that address regardless of BAR1.

This seems a little tough. Lenovo Ideapad Y700 Screen Wont Turn On Wrong guide. Such that the computer did start up but the screen doesn't want to.

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Since this is a desktop: [/COLOR][URL=""][/URL] then boot log : Code (Text): Apple16X50UARTSync1: Detected 16550AF/C/CF/FIFO=16 MaxBaud=115200 IOPPF - Found another boot volume.IOPPF: XCPM mode X86PlatformShim::sendStates success ! Try edit those out, and recalculate the checksum. Yosemite must be initializing something in the graphics chip that is not compatible with your hardware. Lenovo Y700 Wont Start The major problem is to know the relation between the names in dump and those in SSDT. @Rehabman So from my understanding is that I have to: Know every

Assume that I want to only boot in Legacy mode for some reason. The same theory explains why backlight control without PNLF patch and ACPIBacklight.kext does not work. This guide is split into several parts. this contact form Back to top #70 ahmed_ais Posted 02 June 2015 - 10:55 PM ahmed_ais InsanelyMac Legend Members 764 posts Gender:Male Location:United Kingdom I'm not reading the spec along with you, but if

If it is there then the kext is loaded and nothing to do in this section. Yes, my password is: Forgot your password? Yes, my password is: Forgot your password?