I have a Lenovo SL400. Also a Sceptre 24" LCD monitor, which I hook up to the laptop using VGA. W7 professional x64, if it makes a difference.
It worked fine for a week, then yesterday things started going pear-shaped. If the monitor is attached on startup, it'll be fine (duplicate displays) until the logon screen. I type in my password, and then the desktop flashes for about half a second, then the monitor goes black. The monitor then proceeds to tell me "no signal". During this time, I can see the mouse cursor on my laptop, though.
So I disconnect the external monitor, and the laptop is fine.
On the other hand, if I connect the monitor while the laptop is already running, both screens go completely black, and I have to do a hard reset for anything to work.
Help?
It worked fine for a week, then yesterday things started going pear-shaped. If the monitor is attached on startup, it'll be fine (duplicate displays) until the logon screen. I type in my password, and then the desktop flashes for about half a second, then the monitor goes black. The monitor then proceeds to tell me "no signal". During this time, I can see the mouse cursor on my laptop, though.
So I disconnect the external monitor, and the laptop is fine.
On the other hand, if I connect the monitor while the laptop is already running, both screens go completely black, and I have to do a hard reset for anything to work.
Help?
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