boots up and comes with a lock picture.i think its a bios password on this note book ,,,,,,,any ideas to remove it
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Re: macbook pro retina 13 A1502
any one -
Re: macbook pro retina 13 A1502
read and post bios here, maybe i can helpIm Back... sort of...
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Re: macbook pro retina 13 A1502
the bios chip is new type.....cant read it with normal programmer...............any other solutionComment
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Re: macbook pro retina 13 A1502
just change the efi with a new oneComment
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Re: macbook pro retina 13 A1502
What is the bios chip part number?
May be your programmer does not support that bios chip.Comment
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Re: macbook pro retina 13 A1502
bios dump that's the only way to remove the EFI passwordComment
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Apple MacBook Pro Retina 13' A1502 820-3536-A Schematic...10-12-2024, 11:43 AM
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Hi everyone, I want to share my tech experience with a MacBook Pro A1502 late 2013 that won´t turn on.
The computer arrived dead, when connected to Magsafe no lights on the connector.
Here some Measures at some testpoints on de LB 820-3476-A :
PP3V42_G3H 1.7V
PPBUS_G3H = 0V
PPVBAT_G3H_CHGR_RE = 0V
PP3V3_S5 = 0V
PP5V_S4 = 0V
P5V1_SW = 5.5V
PP3V3_S0SW_SSD =0V
PP3V3_S0SW_SSD_FET =0V
PPDCIN_G3H_INRUSH = 16.10V
PPDCIN_G3H_CHGR = 16.10V
PP5V_S5 - 0v
PP3V3_S5 - 0v
PP3V3_SUS - 0V
PM_RSMRST_L - 0v...04-09-2025, 07:11 PM -
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