Laptop shutsdown during installation

[C@balen]

Hello,

I have been using our beloved distro since it's latest release back in April. Lately, I've decided to try the LXDE version because I've felt the KDE version was a little sluggish for my aging Toshiba Satellite A65-S126. Here's the problem: about 1/4 along the installation, the laptop would totally shut off, as if someone pulled the plug off. I tried it several times and it's the same thing. I even tried putting the KDE version disc (which I used before to install) and it's the same thing. I'm suspecting it's overheating, but I would like to hear if anybody else had this problem before. Thanks for reading my question! 

[uncleV]

Why should it overheat now when it didn't do it before in the same case?

May be some RAM issue or bad contact?

[C@balen]

Yeah, it puzzles me too. I really haven't tried re-seating the RAM sticks. I will do that and will post my results. Thanks

[C@balen]

Ok, sort of good news. I removed one stick and tried re-installing...VOILA! It went through. I couldn't be happier. However, I now lost functionality with my Logitech Trackball (usb) and my Netgear WP511 wireless card (which i believe is using Atheros 5xxx). This is weird because when i was trying LiveCD, both devices were working fine. I'm doing Synaptic updates right now, and hopefully they get fixed. Will post results later

[C@balen]

Man, this is getting annoying. I did the updates but it didn't help. I figure the USB and PCMCIA ports are disabled somehow. I tried putting a flash drive and it didn't show activity. I did 'lsusb' but did not show any results. Is there a way to test my ports? Pls help!