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PPBUS_G3H 12.6v PPDCIN_G3H 20v PP3V42_G3H 3.42v SMC_RST_L 3.3 PP3V3_S5_AVREF_SMMC 3.3 SMC_BC_ACOK 3.3 PP3V3_RTC 3.3 PCH_SRTCRST_L...

Hi Gents! Water damage A1990, 820-01827-A Stuck at 5v. Short on PPBUS_G3H. The problem was U7220 (CPU PHASE IC 2) changed the IC. U3200 outputs: LDO3_3, LDO1_8A Now I have 20v and stuck on 0.052 AMP, but missing VBUS (U3200) shows 0v... How is that possible? Thanks

Resistor R7005 keeps blowing up.. History: Water damage Checked all the caps and resistor around U7090.. all ok..

820-4924 Issue: Fans Spin goes wild Troubleshoot: Changed SMC twice. Checked Thermal sensor (proximity Sensor/fin stack Checked Current sense resistors

Macbook Pro retina 820-4924 ISSUE: Pulsing PM_SLP_S4_L on DMM. from 0.02v to 2.9v and then 0.02v CPU/PCH internal voltage regulators 1.05V is pulsing on DMM. No fan Spin Troubleshooting done: Checked the following power rails. All of them have 3.3v as it should be and clock is OK. Question...

Have a Macbook pro retina 820-3635-05 Issue: - Fan runs high - keyboard spacebar doesn't work troubleshoot: Have checked all current sense, everything seems fine. Also, checked around the Fan connector, it seems fine also. Changed the SMC from a 820-4924 Could this be the issue? What...

Hi, does anyone knows how to reinstall operatingsystem on old Powermac G4..? It says its not INTEL based..

Hi, yesterday my client computer was working. Today it stopped working, and no power is coming on. Where should I start troubleshoot the problem?

Hi, my client macbook Pro retina Macbook pro Retina A1502. Trackpad and Keyboard jams/stuck sometimes and does not work to click on. When I use external keyboard and mouse its working fine. What could be the problem?

How much heat is the best for soldering ? in celcius? thank you

Hi, my client macbook air is water damaged. Ive done ultra sonic. The light is coming on dc jack. But i cant start the laptop when pushing start button on keyboard. Is there anywhere i can jumpstart the laptop? or is there any other problem u might suggest I do beforehand? Thanks

No backlight on Macbook Air. My customer spilled water on keyboard. Computer "chime" starts up fan is on, but no image on screen.. Only black screen! Any suggestion? thanks

Computer boot up. But no backlight on screen. Screen is black!... If i use a lamp / light, i can see the admin on the dark screen under.

I happen to rip off one pad on 30pin imac 27" A1312.. Is there a way to fix it?

Macbook pro 13" board number 820-2879-B No image - Only black screen. When i press the start button, harddrive qucikly starts & then shuts off quickly, then starts up again.

[SOLVED]Motherboard 820-2936-B Wont draw any electricity from magsafe charger suddenly? Hi, the mother board 820-2936-B does not draw any energy/electrocity from the magsafe anymore.. Does anyone know here the issue can be? somethign got shortet to ground? Ive tried changing the little...

Hi louis and team, I have a client macbook pro logic board 820-3115-B that wont boot to OSX. Ive tried install with USB, command + R etc.. Nothing works.. Ive even tried with SSD disk that work on other machines, and then use it for this one, and it doesnt register or find the ssd disk. Do...