[ltp] Hard lock on T42p

Richard Neill linux-thinkpad@linux-thinkpad.org
Sat, 30 May 2009 16:41:46 +0100


John wrote:
> IBM T42p, running Debian, not quite up-to-date sid, dual booted with
> XP Pro.
> 
> Recently I tried suspend (Fn-F4) for the first time. It appeared to
> suspend, but would not wake up again. Eventually I just held the power
> button down.
> 
> Since then, the laptop is almost totally locked up: I get an initial
> flash of the lights, then only the Power On light (tilted Z). Not even
> the initial IBM display, much less grub. No Knoppix. The fan is
> on. Everything stops immediately if I hit the power button.
> 
> I'd appreciate a hint on how to proceed. Even the right words for
> google would be a help. Could it be a hardware problem?


Try a hard reset. Take the battery out and disconnect the mains. Wait 20 
mins. Then hold the power button down for 30 secs.

Then reinstall battery, plug in AC, and try again.

Good luck

Richard