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Strange behaviour

Started by Martin Foerster Jan 11, 2005 at 9:30 AM 9 replies 1.7k views

Original Post

Jan 11, 2005 at 9:30 AM

OK, here's a short story: I was visiting a friend and brought my PC (only the tower) along. He already prepared a display and keyboard for my computer. When I plugged all in, I started my computer, and Win2000s login-dialog appeared, so I took the keyboard which I thought would be the right one and entered my admin-pw.... ...guess what happened now!! The other machine did a nice & smooth blue-screen-reboot, because I typed on the wrong keyboard... everytime I type may pw on this WinXP-PC it reboots! Funny he?

boolean

265

boolean

Jan 11, 2005 at 9:40 AM

If he types in his password does it work ok?

Martin Foerster

Author

Martin Foerster

Jan 11, 2005 at 9:51 AM

Yes it's ok.

The point is:
His machine was running normal applications and so on, he is already logged in.

boolean

265

boolean

Jan 11, 2005 at 10:05 AM

So technically you got his keyboard and just started mashing keys, thinking you were typing a password in on your computer? lol, I wonder what you did to it!

benryves

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benryves

Jan 11, 2005 at 10:10 AM

Quote:
Original post by boolean
So technically you got his keyboard and just started mashing keys, thinking you were typing a password in on your computer? lol, I wonder what you did to it!

There's a registry key you can add that forces the PC to BSOD after you press a key combination [grin]

Martin Foerster

Author

Martin Foerster

Jan 11, 2005 at 10:11 AM

Correct, no edit-control or something, just typed my password in -> reboot.

I also checked for sys-keys (Alt,Ctrl etc.) - nothing...just 7 letters!.

I won't post my password here, although it may be worth trying on other machines.

benryves

526

benryves

Jan 11, 2005 at 10:24 AM

Quote:
Original post by Martin Foerster
Correct, no edit-control or something, just typed my password in -> reboot.

I also checked for sys-keys (Alt,Ctrl etc.) - nothing...just 7 letters!.

I won't post my password here, although it may be worth trying on other machines.

You sure it's not a problem with the keyboard?
My old password ended in SSS - and for some reason if you type SSS really quickly on this keyboard I'm using (as I type my password very quickly anyway) it'll only send a single s. Maybe your keyboard sends a weird scancode in a certain sequence which causes the machine to reboot? Improbable, I know...

Martin Foerster

Author

Martin Foerster

Jan 11, 2005 at 10:27 AM

There were no problems with the keyboard as far as I know.

What about that shady reg-key?

benryves

526

benryves

Jan 11, 2005 at 10:34 AM

Quote:
Original post by Martin Foerster
There were no problems with the keyboard as far as I know.

What about that shady reg-key?

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\i8042prt\Parameters
Add a new DWORD value and name it CrashOnCtrlScroll, value 1.

Hold down the right Ctrl key and press Scroll Lock twice. Unless that's in your password, I doubt that's it!

Perfunction

Jan 11, 2005 at 10:44 AM

Start->Run type eventvwr press enter
Explore the system events

Martin Foerster

Author

Martin Foerster

Jan 11, 2005 at 10:52 AM

That's a good idea...I will try that when I visit him again...
and post my observations here

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