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I have a MacBook that only has a Bluetooth card currently installed. The regular Airport card hookup on the motherboard is not soldered in. The customer wants to upgrade it with a wireless card. Has anyone here seen this before and was able to upgrade it? I could just solder the connector to the...

https://youtu.be/x19kwG-wJRI Would something like this do the necessary functions for troubleshooting clock signals and data lines? If so, $30 and 3 hours of my time will be much more manageable than $300+ for a real oscilloscope. This guy also has a video on making a variable lab bench power...

How much sleep do you guys typically get (or aim for)? I find myself spending 7-10 hours sleeping and yet I'm always tired. Tonight I'm going to attempt a polyphasic sleep cycle, taking 90 minute naps at 9am, 6:30pm, and 1:30am. This should reduce my sleep time down to 4.5 hours, giving me...

I have an A1278 2009 MBP that would not charge a battery. It will run off the battery, although the customer reported it suddenly powering off when on battery power. When the battery is plugged in not charging, the charger light remains green and never switches to Amber. When it is charging, the...

I have an 820-3476 Board with supposedly no water damage. I cleaned some corrosion from inside the thunderbolt ports. I found some corrosion near one of the debug connectors, so I removed it. Later I thought it may be a BIOS Issue so I replaced the bios chip. Initially this board had an orange...