As I read more and more on various blogs (iFixit included!), I find myself driven more strongly to advocate repair and refurbishment as being preferable to discarding and replacing our electronics. Every item that we can save by replacing just the faulty components equals resources saved and planetary disposal/reclamation capacity conserved.
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"How do you fix a Mac backlight?"に関する回答Hi Matthew! Great question! (1) This issue IS fixable despite what the big bitten fruit may claim. (2) This issue will require more knowledge and tooling than a Pro-Tech kit alone. This repair will require board level diagnostics and micro-soldering to repair most likely - although it is certainly possible that replacing the display panel alone may resolve the issue. (3) I would advise testing with a known-good display panel and then proceeding from there. Cheers! Joshua
"cost for power supply"に関する回答Hi Troy! It appears that a PSU for your Late 2015 27” Core i5 iMac can be found here for $74.99 used. Of course, Apple does not sell replacement units directly, so the secondary market (like eBay) is your only choice…
"Mac doesn’t reach Home Screen, just a flashing question mark disc"に関する回答Hi James! Your mac is not seeing the operating system. This can be a failed hard drive or a bad operating system installation.
"Error code on Canon PrixmaMX320"に関する回答Disconnect the printer and check if both the cartridge and the printer are clean. Then put the cartridge back in the printer, if the error persists press and hold down the STOP/RESET button for at least 15 seconds.
"Very Weird Boot Up Issue - Ram Error"に関する回答IT seems likely that there is something wrong with one of the common factors - one of the things that is *not* getting changed. Is it possible that some of the grounding foil in the iMac housing is making contact with the board in a sensitive spot? Did you replace any removed polymide(?) tape…? Sometimes that magic tape is actually magic, lol… Also, do you have a photo of that original failed cap on the first logic board?
"MacBook Pro still overheats after replacing thermal paste."に関する回答This is most likely a failed GPU. This unit is in the right age group and the described symptoms match pretty well.
"Charger will not plug into Chromebook"に関する回答Hi! This is repairable - the question is whether or not it can be done for a reasonable amount. Find a local shop with a good reputation that does soldering work. They should be able to give you a quote pretty quickly - as a comparison - we do any laptop power jack for $149 at our shop here in Portland, OR.
"Not working at all"に関する回答In the event of sudden loss of functionality, you likely have one of two things going on: (1) If the unit was dropped, perhaps the USB-C charging port has physical damage. (2) The M92T36 charging chip may have failed.
"My touchpad does not click - however if I tap it works."に関する回答Sometimes the battery will swell in these causing the trackpad click to not work any longer. I’d suggest bringing it to any competent local shop (not Apple) for a quote.
"Laptop shuts off when I unplug the charger"に関する回答Your battery is bad from the sounds of it. It may be saying that it is at 96% capacity, but it likely is not accurately self-reporting any longer.