Recent content by totosql

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    820-2879-B green light, fan spin, no mouse light

    yes sr. is beeping whitout memory
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    820-2879-B green light, fan spin, no mouse light

    green light, fan spin, PPBUS_G3H, 12.53 PP3V42, 3.4 vocre 1.02 mcp, 0.97 , ddr vt 0.71 no video no chime
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    [SOLVED]I need some help

    Well I take one memory out upper first and I tap tap around the mobo boom frezze do funy stuff power off take lower memory out and install upper memory tap tap around no drama look ok I a take out memory and install 1 stick 4 gb upper slot no drama work thank you.... this was a MacBookPro9,2...
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    [SOLVED]I need some help

    hi duke quit question when the ram slots go bad is physics or logic
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    [SOLVED]I need some help

    Hello guy what kind of error is this one I got this laptop owner say sometime turn off so I check it it was dirty whit dust inside no water damage mark I clean the mobo I upgrade the hard drive put back and run normal for me but after the send a pic whit this error any idea i will put more...
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    [SOLVED] 820-2879-B power on but just beep every 5 seg, no chime, video, green light

    I did pram reset ? and star work ok no lag everything work fine now thank you bro...
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    [SOLVED] 820-2879-B power on but just beep every 5 seg, no chime, video, green light

    turn on login the os this one has the capitan and is fell some lag I wanna do hardware test can you help me whit that thank you this thing work's but no crime : )
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    [SOLVED] 820-2879-B power on but just beep every 5 seg, no chime, video, green light

    I did other step I was checking the cpu vcore and I check some res around look ok next to it was u6100 I start check some res around and walla r6153 10k res was open I changed boom I have logo Cooll
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    [SOLVED] 820-2879-B power on but just beep every 5 seg, no chime, video, green light

    I try mouse USB and yes I have light, but no crime no logo
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    [SOLVED] 820-2879-B power on but just beep every 5 seg, no chime, video, green light

    Ok well I was able to fix tha problem the beep ram was the MEM_RESET_L 1k res was open. no more beep they pick up the memory. and now I have white screen no chime any help whit this I will start to check the cpu vcore rail to see if a got something
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    [SOLVED] 820-2879-B power on but just beep every 5 seg, no chime, video, green light

    one beep every 5 seg until shut down or manual turn off, I changed the c6990 because look funny after that turn on the screen one time no crime after that same beep again I check the u6990 and got pin1 1.26v pin2 3.40v pin3 7.06 pin4 3.42 pin5 gnd pin6 18.73 pin7 nc pin8 18.73
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    [SOLVED] 820-2879-B power on but just beep every 5 seg, no chime, video, green light

    1 = 111.5 k 2= pin 1 .850 pin 2 nc pin 3 .786 pin 4 nc memory beep with and without
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    [SOLVED] 820-2879-B power on but just beep every 5 seg, no chime, video, green light

    red probe to ground .320 black probe to ground .770 both side l9695 pin1 .847 pin2 open pin3 .783 pin4 open y2815 red probe to ground
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    [SOLVED] 820-2879-B power on but just beep every 5 seg, no chime, video, green light

    [SOLVED] 820-2879-B power on but just beep every 5 seg, no chime, video, green light Hi I got this one today water damage (cofe juice)who know, no green light, check I have short to ground in F7040 fuse out, apply 12v to short side, u7000 got hot remplace, short gone green light...
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    [SOLVED] 820-2330-a doesn't turn on [BAD C7771]

    hi duke, if I have 0.875 V in that cap the gpu will be work ??? well this is a 820-2532A the tourn on you hear the chime and back light on, no logo
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