pins

I was taking a look at my new iphone 11 and noticed in the lighting port that the actual metal pins inside are not all at the same level/height. The left one and middle one are a tiny bit depressed compared to the others. it's a tiny tiny difference. It seems another iphone, of a friend, an...

I bought a late 2013 MacBook Pro on eBay and it came with a burn on the pins on the MagSafe DC-In charging port of the MBP, as well as on the pins on the cable of the charger brick. (Please check attached images at the end of the post) Judging from the fact that's it's the 2nd and 4th pin...

I am having a weird issue after I updated the CPU's on my Mac 1,1 to the quad core from the dual cores. If dimm 1 on the lower RAM board is occupied the system does not boot. The system turns on and the fans turn on as normal however there is no video out put and no chime, the white front LED is...