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Windows 7: Startup Repair Error Code: 0x490

15 Jan 2011   #1

Windows 7 Ultimate 64-bit
Startup Repair Error Code: 0x490

Hey guys,

Yesterday I brought a new modem/router, the Billion 7800N. I hooked it up and everything worked perfectly once setup. I turned my computer off and went out but when I came home and turned it on, it just sat at "Loading Windows".

I've tried all the Startup Repair options, I used Startup Repair, System Restore, Command Prompt, but none of those fixed the problem. Looking like my last resort I went with a format and fresh install of Windows 7 Ultimate x64. Everything went very smooth, so I installed the necessary drivers and basic programs and restarted the computer so that I can make an .img of C: drive. Well the computers starting up, gets to "Loading Windows" and just sits there, just like before.

How can this happen again with basically nothing installed?
Could the Billion modem/router be affecting my computer, causing this error?

My System SpecsSystem Spec
15 Jan 2011   #2
Microsoft MVP

Windows 7 Ult. x64


Are you able to boot in Safe Mode?

If so, open an elevated Command Prompt and type:

sfc /scannow

to test and attempt a repair on your system files.

I use a Billion 7401VGPR3 and don't have this issue, so I think it might be something else. I see a lot of references to this code in relation to the Master Boot Record, but I don't know much about this error.

Perhaps a more experienced memeber might be able to confirm this, and/or offer better advice.

My System SpecsSystem Spec

 Startup Repair Error Code: 0x490

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