Ah, "error 0190" right? Although in my case the machine was totally dead (power button worked but no LEDs, hard drive/fan/etc. spun but it just hung there not doing anything else) 0190 refers to the main battery (that is, not enough charge to boot but can also occur for other reasons; can usually b...

Was the battery defective at all? I once put a defective/shorted battery in my T43 and it ended up being dead to the world until I completely disassembled and removed the CMOS battery/etc. And yes, you should definitely use new thermal paste on the CPU and GPU (I recommend Arctic Silver 5), it can'...

How did you "fix" the wobbly power jack? Tighten the jack-screw underneath the chassis-bar? Replace the jack and reconnect it properly? Reconnect CMOS/fan/modem-BT card + cables/modem-cable (both ends)/speakers/wifi card/antennas properly? Put the HD in correctly (label to the table)? If you remove...

tried, but it doesn't even do that blinking thing

It doesn't turn on; but first: I'm not a thinkpad user, and i repulse the idea of even using windows, in fact I am writing from a macbook. Problem is, I'm going to croatia in 5 days and I need a "steal-me-dummy"/backup laptop, because I don't want my 1200€ calculator to be stolen by some maid/burgle...