mes config qui vont tout sur le net sauf le celron 600 il boude le net

1er config
AMD Athlon 64 3700+@2970mhz(s939)(stable @1.488v)
Zalman CNPS 7000B cu
Gigabyte GA-K8NF-9
1go ddr400 PQI
200gosata
Sapphire Radeon X700 Pro 256Mo
M-Audio Revolution 7.1
Antec PLUSVIEW 1000AMG
alim Enermax 500W Liberty ELT500AWT
ecran BENQ FP93GX
winxp pro

2eme config
AMD Athlon 64 3000+@2025mhz (s939)
SNK-P0014AP4
1go ddr400 samsung
Sapphire Pure Performance
cg integre x200 128mo
200 go ide
win xp

3eme config
amd Athlon 2600xp(soketA)
Thermaltake Xaser 3 vm2000 lanfire
alim Q-TEC 550w
1024ddr400 elixire
ati9800 128mo
200go ide
linux mandriva2006

4eme config
celeron 600
256mo pc 100
80go
geforce mx420 64mo
winxp

ordi portable
acer ferrarie 3200
AMD Athlon 64 2800+(s754)
768ddr 333
ati 9700 128mo
100go 5400rpm 16mo
winxp pro sp2

@+cit71