crwdns2933897:0crwdne2933897:0

tabletop powering but does not show on the screen

my table top hp is powering on and the monitor is also powering on but it does not pass light on the usb ports and vga cable. What can i do.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
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crwdns2942205:01crwdne2942205:0:

mine does not do both

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