i replaced r7803 and now have 3.35 both sides
i replaced r5704 but only getting 176 and 0.08
any help please please
i replaced r5704 but only getting 176 and 0.08
any help please please
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Hi Guys,
This Mac come with dead issues (severe water damage), now it’s turning ON except Trackpad and Keyboard not working.
Already check and write down DM for JT400 and JT201 don’t find any abnormal value (I don’t have unit for compare).
Already try,- Replacing Trackpad Flex Cable
- Replacing New Trackpad
- Replacing Little Board (Daughter Board)
- Try using New Keyboard
So I check “Power Load Switches” and this is all the numbers,
UC830 > 1 = 3.297V ; 3 =1.757V ; 4 = 3.798V...07-08-2025, 05:19 AM -
my system is p5ql pro asus mobo , logitech keyboard ps2 keyboard (more than 10 years) .
my place use to get some power drip for a second ,at that time , pc shuts and restarts itself , it dint cause any problem till now , once or twice i noticed , i am not sure if it was exactly at power drip time or normal time - both keyboard and ethernet lan stopped working , the keyboard would lose power i mean led lights-num lock caps lock would not stay on , no light at etherbet cable too..then i would restart the pc - then its all good .
few years back ps2 mouse stopped working, but ps2... -
Hi! I have this 2015 A1398 with 820-00426 board that's driving me crazy. It originally came because of charging problems (MagSafe Board roasted, also MagSafe cable, etc. After disassembly, clean and assembly, my assistant (literally) broke FL803 and other componentes. Obviously, no screen or backlight. After replacing them, and also the LVDS connector, and LVDS flex on the screen, the board started fine, charges, chimes, shows Apple Logo, but surprise: no more trackpad or keyboard.
Important notes:
-Click works, so, trackpad is alive.
-Already tried with another trackpad,... -
This specification for the HP ProBook 450 G5 + Essential 15.6-inch Case, Keyboard & Mouse Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 450 G5 + Essential 15.6-inch Case, Keyboard & Mouse boardview and 450 G5 + Essential 15.6-inch Case, Keyboard & Mouse schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users...09-06-2024, 06:21 AM
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This specification for the HP ProBook 450 G5 + Essential Top Load Case + USB Essential Keyboard & Mouse Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the 450 G5 + Essential Top Load Case + USB Essential Keyboard & Mouse boardview and 450 G5 + Essential Top Load Case + USB Essential Keyboard & Mouse schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you...09-06-2024, 06:21 AM
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