Can only log in on safemode, normal log in page flashes black

dhymel

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When I turn my computer on normally, it gets to the page to enter my password and about 5-10 seconds later while loading, the screen begins blinking black as if it is repeatedly trying to load the user list and password box. I left it like this for hours to see if it would load after a long time and came back to the screen still blinking.

I did a manual restart and was able to start the computer in safemode and this is the only way it will work. My laptop runs on Windows 7 home premium 64 bit.

I have tried updating drivers, clean reboot, and a system restore.

Does anybody have an idea of what's wrong? I can upload a video of what's happening when I startup if needed.


Thank you, DHymel
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
Alienware
OS
Windows 7 Home Premium 64 bit
While running in Safe Mode... did you go to an Administrator Command Prompt and use the command...

scannow /sfc

THAT does a scan of ALL the computer System Files and prompts you when/if it finds faults
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
custom build
OS
Windows 7 Home Premium 64 bit
CPU
intel e7500
Motherboard
gigabyte g61
Memory
8 gb mushkin ddr3
Graphics Card(s)
asus hd6670
Hard Drives
wd caviar 250 gb
Antivirus
Panda Cloud
Browser
chromium 26
Hello,

Boot again to safe mode and we will put your computer into a clean boot state. That will hopefully let you boot into normal mode to troubleshoot the problem.

Follow the steps below to place your computer in “clean boot”
Click the Start orb on your Desktop
Type msconfig in the Start Search box, and then press ENTER.

If you are prompted for an administrator password or for a confirmation, type the password, or click Continue.
On the General tab, click Selective Startup.
Under Selective Startup, click to clear the Load Startup Items check box.
Click the Services tab, click to select the Hide All Microsoft Services check box, and then click Disable All.
Click OK.

When you are prompted, click Restart and let the computer boot in normal mode.

You can follow this tutorial :ar:http://www.sevenforums.com/tutorial...ation-conflicts-performing-clean-startup.html
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Bulid/Self made
OS
Windows 11 x64
CPU
i5 2500K @ 3.3 GHz
Motherboard
ASUS P8 Z77 V pro
Memory
16 GB DDR 3 @ 1600Mhz
Graphics Card(s)
MSI 1050TI 4GB OC version
Sound Card
On Board (Realtek HD audio)
Monitor(s) Displays
Samsung 22" LCD
Screen Resolution
1920*1080
Hard Drives
Seagate 1 TB, WD 1TB, Seagate 2 TB ( I use a lot of space)
PSU
coolermaster 750 W
Case
Coolermaster HAF912
Cooling
Coolermaster hyper 212 EVO
Keyboard
Samsung
Mouse
Dell Wireless
Internet Speed
Wireless 50 Mbps
Antivirus
AVG 2016 Internet Security
Browser
Google Chrome
@sammyone

command prompt says "'scannow' is not recognized as an internal or external command."

@Archer, I have tried it before and when it restarts it does the same exact thing.
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
Alienware
OS
Windows 7 Home Premium 64 bit
I believe the command is "sfc /scannow" (without the quotes). Be advised this scan can take quite a while.
 

My Computer

Computer Manufacturer/Model Number
Dell Vostro 1000
OS
Win 7 Home Premium 32 bit
Memory
2GB
Hard Drives
64GB Crucial SSD
@md2lgyk that is in fact the command.

Once it finished it said "Windows Resource Protection did not find any integrity violations."
 
Last edited:

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
Alienware
OS
Windows 7 Home Premium 64 bit
Hi, are you using external graphic card or onboard. Please fill your system specs.

If it is external, remove the drivers for it and then try to boot in normal mode. If you are able to login with drivers removed, then you can install the latest one. Or, you can try to connect with your onboard card and check if the issue persist.

If it is onboard, also try to remove the drivers from safe mode and then try to logon.

Keep us posted.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Bulid/Self made
OS
Windows 11 x64
CPU
i5 2500K @ 3.3 GHz
Motherboard
ASUS P8 Z77 V pro
Memory
16 GB DDR 3 @ 1600Mhz
Graphics Card(s)
MSI 1050TI 4GB OC version
Sound Card
On Board (Realtek HD audio)
Monitor(s) Displays
Samsung 22" LCD
Screen Resolution
1920*1080
Hard Drives
Seagate 1 TB, WD 1TB, Seagate 2 TB ( I use a lot of space)
PSU
coolermaster 750 W
Case
Coolermaster HAF912
Cooling
Coolermaster hyper 212 EVO
Keyboard
Samsung
Mouse
Dell Wireless
Internet Speed
Wireless 50 Mbps
Antivirus
AVG 2016 Internet Security
Browser
Google Chrome
When I turn my computer on normally, it gets to the page to enter my password and about 5-10 seconds later while loading, the screen begins blinking black as if it is repeatedly trying to load the user list and password box. I left it like this for hours to see if it would load after a long time and came back to the screen still blinking.

I did a manual restart and was able to start the computer in safemode and this is the only way it will work. My laptop runs on Windows 7 home premium 64 bit.

I have tried updating drivers, clean reboot, and a system restore.

Does anybody have an idea of what's wrong? I can upload a video of what's happening when I startup if needed.


Thank you, DHymel
Try to upgrade the video driver. Upgrade it to "standard-VGA graphics adapter" and test.
Posting the video of what's happening will be helpfull as well
 

My Computer

Computer type
Laptop
Computer Manufacturer/Model Number
ACER ASPIRE 5742G
OS
Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i3 CPU M 370 @ 2.40GHz
Motherboard
Acer Aspire 5742G
Memory
4,00 GB
Graphics Card(s)
ATI Mobility Radeon HD 5400 Series
Sound Card
(1) AMD High Definition Audio Device (2) Realtek High Defi
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000BEVT-22ZAT0
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