Quote:
Originally Posted by fjtorres
Interesting.
But those computers still boot normally, right? It's just the display that won't work? So attaching a monitor would let you log in and roll back the update, no? The hardware wasn't actually fried? Or was it?
BIOS updates can and do brick systems but driver issues don't normally go that deep. Software breaking hardware can happen but it is rare and usually on purpose. (STUXNET, for example.)
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It was laptop based, so I assume* you could connect an external display as long as your laptop had a suitable video port, but, the only way to fix the corruption would be to flash the correct EDID back. Unless you happen to have already backed up your monitors EDID or have access to the correct info to flash back, it's a problem. It's not fried but it's also not just a simple driver uninstall/rollback fix.
There's a bit more info (at least in the latter parts) in
this thread and
this one.
BTW I'm not suggesting this is/was Cinisajoy's issue. I posted it really as an example that updates can cause "damage" that isn't fixable by safeboot or reinstalling.
* The second post of
this thread suggests that booting with an external display may be possible in some cases but not in others. If it's possible to boot without a display, then it should still be fixable, but if you just get stuck in post due to no display connected, it'll be beyond the ability of many to resolve.