[win8.1] Sign in the computer gets blinking screen !!!

Ugonier

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1.JPG My monitor is 1600 x 900 (14-inch laptop) When I install the Graphic driver And windows8.1 recommended size is Medium Which was 125% by default !

When I change to smaller 100% then the problem cause Blinking screen(get black 0.5 secs) every time sign in the PC .

but if I use recommend size on win8.1 default 125% the issue goes away! PFFFF

any same issue ? any idea how to change 100% as default!

PS : [HKEY_CURRENT_USER\Control Panel\Desktop] LogPixels =96 (your PC may not have this value) deleted not working.

Thanks !
 
Last edited:

My Computer

System One

  • OS
    Windows 8.1 Pro WMC
    Computer type
    Laptop
    System Manufacturer/Model
    Sony
    CPU
    I5 520M
    Motherboard
    Intel HM55
    Memory
    8G DDR3 1333
    Graphics Card(s)
    ATI mobility redon HD 5650M
    Monitor(s) Displays
    sony
    Screen Resolution
    1600 x 900 (14-inch )
    Hard Drives
    System (plextor M5Pro 128G) Data 500GB HDD
    Browser
    IE11
    Antivirus
    MSE
It certainly sounds like a driver related issue to me; however, we'll need your system specs to see if this mystery can be unraveled.
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop
    CPU
    Intel G2020
    Motherboard
    ASRock B75M-DGS R2.0
    Memory
    8GBs @ 1333 MHz
    Hard Drives
    Samsung 840 EVO
    PSU
    400w
    Internet Speed
    57/11
See picture below.
It MIGHT help.

screenshot_4.png
 

My Computer

System One

  • OS
    Windows 8.1.1 Pro with Media Center
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Gateway
    CPU
    AMD K140 Cores 2 Threads 2 Name AMD K140 Package Socket FT1 BGA Technology 40nm
    Motherboard
    Manufacturer Gateway Model SX2110G (P0)
    Memory
    Type DDR3 Size 8192 MBytes DRAM Frequency 532.3 MHz
    Graphics Card(s)
    ATI AMD Radeon HD 7310 Graphics
    Sound Card
    AMD High Definition Audio Device Realtek High Definition Audio USB Audio Device
    Monitor(s) Displays
    Name 1950W on AMD Radeon HD 7310 Graphics Current Resolution 1366x768 pixels Work Resolution 1366x76
    Screen Resolution
    Current Resolution 1366x768 pixels Work Resolution 1366x768 pixels
    Hard Drives
    AMD K140
    Cores 2
    Threads 2
    Name AMD K140
    Package Socket FT1 BGA
    Technology 40nm
    Specification AMD E1-1200 APU with Radeon HD Graphics
    Family F
    Extended Family 14
    Model 2
    Extended Model 2
    Stepping 0
    Revision ON-C0
    Instruction
    Browser
    Opera 24.0
    Antivirus
    Avast Internet Security
It certainly sounds like a driver related issue to me; however, we'll need your system specs to see if this mystery can be unraveled.

OK you can see my System Specs Now ... but I don't think this is the driver problem or related..

cause before upgrade to win8.1 , the windows 8 works just great for me .
again why my windows8 is Smaller 100% (default ) and win8.1 gets wrong detected .

Thanks
 

My Computer

System One

  • OS
    Windows 8.1 Pro WMC
    Computer type
    Laptop
    System Manufacturer/Model
    Sony
    CPU
    I5 520M
    Motherboard
    Intel HM55
    Memory
    8G DDR3 1333
    Graphics Card(s)
    ATI mobility redon HD 5650M
    Monitor(s) Displays
    sony
    Screen Resolution
    1600 x 900 (14-inch )
    Hard Drives
    System (plextor M5Pro 128G) Data 500GB HDD
    Browser
    IE11
    Antivirus
    MSE

My Computer

System One

  • OS
    Windows 8.1 Pro WMC
    Computer type
    Laptop
    System Manufacturer/Model
    Sony
    CPU
    I5 520M
    Motherboard
    Intel HM55
    Memory
    8G DDR3 1333
    Graphics Card(s)
    ATI mobility redon HD 5650M
    Monitor(s) Displays
    sony
    Screen Resolution
    1600 x 900 (14-inch )
    Hard Drives
    System (plextor M5Pro 128G) Data 500GB HDD
    Browser
    IE11
    Antivirus
    MSE
OK you can see my System Specs Now ... but I don't think this is the driver problem or related

OK. Then I will not be of any use to you because I do think it is driver related. Good luck.
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop
    CPU
    Intel G2020
    Motherboard
    ASRock B75M-DGS R2.0
    Memory
    8GBs @ 1333 MHz
    Hard Drives
    Samsung 840 EVO
    PSU
    400w
    Internet Speed
    57/11
Anyway ` this issue does not effect of using the PC . but it's just feel uncomfortable when sign in.

That's all . Thanks
 

My Computer

System One

  • OS
    Windows 8.1 Pro WMC
    Computer type
    Laptop
    System Manufacturer/Model
    Sony
    CPU
    I5 520M
    Motherboard
    Intel HM55
    Memory
    8G DDR3 1333
    Graphics Card(s)
    ATI mobility redon HD 5650M
    Monitor(s) Displays
    sony
    Screen Resolution
    1600 x 900 (14-inch )
    Hard Drives
    System (plextor M5Pro 128G) Data 500GB HDD
    Browser
    IE11
    Antivirus
    MSE
Anyway ` this issue does not effect of using the PC . but it's just feel uncomfortable when sign in.

That's all . Thanks

Ugonier, I'm going crazy, I did a clean install of windows 8.1, installed just my graphics drivers and the flickering is still there when I change to 100%... This is so stupid. Have you found a solution?

PS: Also, after changing to 100%, 125%, ticking the box to change scaling for all displays, etc. and changing BACK to 125% (Recommended), the flickering IS STILL THERE! argh!!! This is insane!

Help!
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    Laptop
Hi! I had exactly the same problem for a long time which was pretty annoying but I have found the solution at last. I have Windows 7 SP1 x64 but I believe this will work also with Win 8.

If you set your DPI to %125 then you should do the same thing to your login screen. Login screen's DPI is %100 as default.

To do this, open Regedit (Start, run then type regedit) then navigate to HKEY_USERS\.DEFAULT\Control Panel\Desktop and add a DWORD value (right click, new, DWORD Value). Call it LogPixels and set the base to decimal.

Now, you can insert a DPI into the value field for the corresponding DPI. %100 DPI is 96, %125 is 120, %150 is 144. So you should insert 120 if your system's DPI is %125. I use 120 as well because my DPI is too set to %125.

I hope this will help!
 

My Computer

System One

  • OS
    Windows 7 x64
    Computer type
    Laptop
    System Manufacturer/Model
    Monster
    CPU
    i7
    Motherboard
    MSI
    Memory
    8 GB
    Graphics Card(s)
    GTX 870M
    Browser
    Mozilla Firefox
    Antivirus
    None
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