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HWMonitor Pro allows you to track the various components of your computer and keep it in good condition. The CPUID HWMonitor Pro is a great tool to help you figure out these factors and also provide the solution. Similar resistors on MBUS_SMC_1_S0_SCL/SDA lines R5360 and R5361 have indeed 1.98 kOhm just like on the schematics (2kOhm).Measuring the temperature of the CPU and keeping track of other hardware is important for the performance of your computer. My biggest concern is the values of pull up resistors R53. I would expect a complete symmetry (in diode mode) of SDA and SCl to ground. Since I dn't have a good known 00165-A board, I cannot say if these values are correct. In diode mode (red probe on ground) I have the follwoing readings: SMC_3 SCL: 0.685, SMC_3 SDA:0.591 SO here there is a slight discrepancy. These are conencted between SMBUS_SMC_3_SCL/SDA and 3.3V S0 line.Īlso, resistance between legs 9 and 10 of U5810 (SMC_3 SDA and SCL) is 300 ohms. Pull up resistors R5390 and R5391 are 2 kOhm according to the schematics, but in reality I measure with a good multimeter 0.99 kOhm and 0.97 kOhm. I have found some discrepancies between resistor values on the schematics and actual values on the board. LIO board s not the soruce of the problem. I'm continuing chasing the problem of multiple 128 deg C reporting. This cable is connected to J9500 connector on the mainboard. I never examine this before, since audio, USB and power was working fine. But it is obvious there is some dirt on the flex cable. I would never expected this based on the values from HWMonitor. So it is possible that Palmrest sensor (and others) share the same interface as LIO board. I have ordered and waiting for a new flex cable to check. I have used alcohol and a toothbrush to clean connecter, but problem still exists. Since everything was the same (except audio and of course USB) this is indication to me that problem is more likely with flex and/or LIO board.Īfter close examination of flex cable, I have found something, shown in the attachment. Except for lack of audio, there were no other signs of additional slowdown. The MBA booted as usually and HWMonitor showed exact same valies as already posted here. I have made a test, disconnected flex I/O cable and start with battery.
#Hwmonitor pro connection failed how to#
How to proceed further? Should I check if supply voltage is present on U5810? This chip is on the other side of the board and is not easy accessible.Īny help is welcome, this problem is really a puzzle for me. then starts laptop and post HWMonitor readings? So, I kindly somebody here, who have the same MBA with the same motherboard, is it possible to disconenct the trackpad.
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44, this chip is for TBT, MLBBOT and TBD Temp Sensor) I believe that issue may be with U5810, if all those 4 sensors are connected to the same chip. This comes as a big surprise, because I expected problem would be solved with a new trackpad.
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I have connected the new trackpad, and issue still exists. I have obtained new trackpad with new flex cable (actually used, but disassembled from working computer). disconnected web cam connector and issue is still thereĢ. Below keyboard cable is liquid presence indicator and it is white, meaning water wasn't there.ġ. HWMonitor shows that 4 sensors are failed (actually 5, but "meomory proximity doesn't exist in reality). Later I have found out that CPU speed is limited to max 1.0 GHz, but according to the specifications it is 1.6 GHz I5-5250U with Turbo boost up to 2.7 GHz, 4 GB RAM, 128 GB SSD.
#Hwmonitor pro connection failed full#
The laptop worked normally for a few hours and then fan just ramp to full speed.Īt first I didn't notice any performance issue (YouTube, Netflix etc worked without glitches). I have repaired the board 820-00165-A, by replacing U8030. I have an old problem, but starting a new thread in order to present all relevant information for this particular macbook in one place.