P4sd-vl Fitted In Sony Pcv-rs406 No Boot Up

By siddler
Oct 9, 2007
  1. Hi all.

    My first post....My computer will not boot up....the MOB led lights up...I took all the cards out but still no joy.

    I took the ram out and powered up and can hear 3 beeps which continues until I power off....when every thing is replaced I cannot hear any beeps the fans are active as is the blue Vaio Logo on the front panel...any help would be appricated.

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