HP X13-04657, is 2007 PC THOSE this PC has CCFL back lamp strip that is dead.Vista era PC, laptops. are hard to work with now, 17 years old.is this not a HP COMPAQ presario HP X13-04657 (wrong name!) sorry !became HP in 2002. so is HP but manuals are super hard to find now. that x13 is part of the microsoft license code vista. (so is distraction to what it is)the real name of the Laptop is and was Presario CQ61 laptop CQ61 the PC has bottom sticker that shows the real names of PCs.CQ61-219TU is real name of on CQ61, there area many different sub codes, and they are not all the same.CQ61-306AX this had CCFL (cold cathode florecent lamps) that love to fail 3 waysdead, blinks ,dime or yellow = white.was made until 2009 and evolved, to LED backlamps.-410 is CCFLI will answer for CCFL as those just love to fail,but the the test is so easynow the answer for ANY laptop this old. 2007 and older. black screen all the time, and BIOS screens dead, answers only me. here. remove the main battery (large) it simply snaps off the bottom.the power pack is next we run the PC on your power pack AC to DC it must make the screen glow with something, do not use the wrong pack as in mixed up with others.now the lap top seems on, even the fan blows, LED glowpoint a flash lamp at the screen ,dark' room , and of you see any kind of LCD data on the screenthe CCFL lamp below #1 is bad.this is phase 1 testing, as other things can fail too. The keyword below is Mercurythis tells me it is those pesky CCFL glow tubes. 2007 is the year some PC went to LED back lamps. yes I was correct the service manual I did find proves they made both lamp types
