Pc not sending signal to monitor

hello,
my monitor is not reciving singals from pc when i unplug the vga cable from behind the pc the monitor starts (saying not connected to pc) but when i plug it back again the monitor's light start's blinking and it does not start any possible solution why it is happening?

Extra- it happened when is installed new windows xp with sp3
2 answers Last reply
More about sending signal monitor
  1. system information ?
    reinsert gpu in other slot. update bios and firmwares.
  2. my specs are
    4gb DDR 3 ram
    Intel dual core processor
    150gb hardrive
Ask a new question

Read More

Monitors Cable VGA Components