[ltp] T23 screens takes 1 to minutes to fully come up

linux-thinkpad@linux-thinkpad.org linux-thinkpad@linux-thinkpad.org
Mon, 27 Aug 2007 23:05:36 -0400


---- Mark Stosberg <mark@summersault.com> wrote: 
> 
> I've worked with a few other T23s, but mine is the only one that exhibits
> this odd hardware behavior: 
> 
> From a cold boot or restoring from a suspend, the screen remains almost all
> black..with the correct graphics barely visible. Then, after a minute or
> two, the screen will suddenly pop to full brightness. 
> 
> I know it's a hardware thing because the issue exists even as the BIOS
> splash screen is booting. 
> 
> Has anyone else seen this? I'm wondering if the monitor connector is just a
> little loose or something. My primary concern is to guess whether this a
> stable condition, or a sign my screen is dying a slow death. 
> 
> Once the screen "warms up", it otherwise works perfectly. 
> 
>   Mark
I've never had a T23, but on many other Thinkpads this has been
either a problem with the inverter or the power connections to the
inverter or both.