 Certificate validation
I'd associate "no valid certificate can be found" with a browser connection to a secure web server, not with a laptop connection to a router network.
I assume it's a Microsoft Operating System on the laptop? If you Start/Run cmd and type "ipconfig /all" what do you get? If you can copy/paste that into a reply here we can see how much of the negotiation for an IP address has been completed.
Or anything else that looks relevant like a wireless network screen dump, or a screen dump of the connection process failing. tinypic.com is useful for showing those here.
__________________
My System: Tim
Processor(s):
Athlon 64 3500+ | Motherboard:
Asus A8N-VM CSM | RAM Memory:
Corsair PC3200 CL2 DDR-400 2GB | Graphics Card(s):
nVidia Geforce 6600 512MB | Sound Card:
Cherry RS 6000 M keyboard | Hard Drive(s):
Barracuda.7+ 2x200GB 58MB/s sustain | Optical Drive(s):
Samsung DVD-ROM TS-H352 | Case / PSU:
Thermaltake Soprano | Cooling:
Stock | Network / Internet:
Telewest 2x20Mb/sec | Monitor(s):
SXGA flat panel | Operating System(s):
Slackware (2.6.27.7) (Fluxbox) | | 
31st Dec 2008, 08:42
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