IBM ThinkPad T30 2366 Notebook "circle light" Questions

My IBM Thinkpad T20 when powered on makes 4 beeps and nothing else happens? The only lights that remain on are the battery light and the circle Z. Any suggestions? change the RAM with new one

...circle z light stays on, screen goes black, harddrive can be heard screaching to a halt, and does not accept any key entries - machine then refuses to fully turn off. What a ****!!!! After repeated ...

...light That looks like a circle with a Z in it stay on and battery light and plugged in light stay on nothing else happens doesn't go any further Please Help I suggest you try a manual reset. Please ...

...not boot up! When i press the power button all the lights come on then only the crocked Z with a circle and d battery lights stay on! What should i do? Try to remove your keyboard and fix it back. ...

...light that looks like a circle with a Z or N in it. An I have a black screen. I hear the system running but nothing ever comes up. Please Help! I need this computer for school.. Thanks diid u change ...

...light that is on is the circle withe z in it... thanks fo the help... This is going to be one of three things, 1- bad battery, remove the battery and try starting on the adapter only. 2- bad memory ...

...light bulb, or half filled in circle. for the volume control hold the "fn" or "fcn" key and push the key that looks like a wave ")))" or an arrow with a + next to it. each vendor seems to use ...

...light symbol. It's looks like a circle with a z in it. Batteries can develop a dead short and cause a no start. Try starting without the battery. Other things you can try is checking the power supply ...

there are only two......one is the power light and the other is a circle with something like a z in the centre.What does this light signify? T42...IBM Try to push either caps lock or else numbers lock

unfreeze pc There is a green light on my t43 which shows z in a circle but the pc does not responding hold power for 10 seconds to power off remove battery restart