Topic Title: ATI Mobility Radeon HD 5470 - Black screen on startup
Topic Summary: Lenovo G565
Created On: 09/01/2014 03:46 PM
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 09/01/2014 03:46 PM
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Posts: 1
Joined: 09/01/2014

Graphics Card
ATI Mobility Radeon HD 5470, 512 MB, no overclock

AMD Catalyst Driver Version, and Driver History
I cannot remember the order so I sorted it by version numbers
8.76? (from Lenovo)
14.4 (this one does not even detect the card so no driver was installed)
Used Device Manager to uninstall the drivers in safe mode, then Driver Sweeper in normal mode for additional cleaning.

Operating System
MS Windows 7 Home Premium x64 OEM CZ
also tried MS Windows 7 Ultimate Service Pack 1 x64 CZ (see bottom)

Issue Details
Black screen after windows startup (after Windows logo screen, before login screen), the pc hangs, has to be rebooted
Going to safe mode and uninstalling drivers via device manager allows to start Windows normally.
  If I install Catalyst and reboot the PC it goes back to black screen.
The issue happens even reverting to factory settings from DVDs, which would suggest that the card is damaged, but I managed to get it working on different OS (see bottom).
Sometimes the pc starts while using 640x480 resolution from Windows Boot menu, sometimes it will start after using last known good config, sometimes with "disabled driver signature enforcement"... but in 90% of the time it wont start.

Motherboard or System Make & Model
Lenovo G565 laptop

Power Supply
Default Lenovo adapter 20V 4.5A (90W)

Display Device(s) and Connection(s) Used
built-in LCD

Applications and Games
MS Windows 7 Home Premium x64 OEM

CPU Details
AMD Phenom II Tripple-Core N870, 2.3 GHz, no overclock

Motherboard BIOS Version
InsydeH2O rev. 3.2, BIOS version 36CN24WW (V2.10)

System Memory Type & Amount

Additional Hardware
Additional 4GB of RAM (the laptop came with 4GB)

Additional Details
Removed RAM
Swapped RAM positions
Restored the PC to factory settings from backup DVDs (several times).
I was able to get the card to work by installing MS Windows 7 Ultimate Service Pack 1 x64 CZ, installing Catalyst 13.2, uninstalling the driver from Device Manager in safe mode, reboot and installing Catalyst 12.8 (rebooted the PC 10+ afterwards to check the resolution). I was unbale to to reproduce the resolution on Windows 7 Home Premium OEM x64 CZ (after the factory reset).

It is not my laptop, according to the owner the issue started after udating Catalyst drivers (he does not remember the version).

Internet reserarch showed that a bios could be an issue.

Catalyst CC info (gathered after initial laptop setup with the default drivers):

Driver Packaging Version    8.76-100719a-102897C-Lenovo
Provider    ATI Technologies Inc.   
2D Driver Version   
2D Driver File Path    /REGISTRY/MACHINE/SYSTEM/ControlSet001/Control/CLASS/{4D36E968-E325-11CE-BFC1-08002BE10318}/0000
Direct3D Version   
OpenGL Version   
Catalyst™ Control Center Version    2010.0719.1349.22889   

Primary Adapter       
Graphics Card Manufacturer    Powered by ATI   

Graphics Chipset    ATI Mobility Radeon HD 5470   
Device ID    68E0   
Vendor    1002   

Subsystem ID    3969   
Subsystem Vendor ID    17AA   
Graphics Bus Capability    PCI Express 2.0   
Maximum Bus Setting    PCI Express 2.0 x8   
BIOS Version   
BIOS Part Number    BR36165.010   
BIOS Date    2010/08/20   

Memory Size    512 MB   
Memory Type    DDR3   

Core Clock in MHz    750 MHz   
Memory Clock in MHz    800 MHz   
Total Memory Bandwidth in GByte/s    12,8 GByte/s   

 09/11/2014 11:51 PM
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Posts: 1
Joined: 09/11/2014

i have same problem bro when ever i install my amd driver it hang at the windows logo  and if i uninstall the driver through the safe mode it works fine 

faceing this problem from past 3 weeks  and no solution

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