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Q&A: MacFixIt Answers

MacFixIt Answers is a feature in which we answer questions e-mailed in by our readers.

This week people wrote in with questions about the PCI Express Expansion Slot Utility not working on some Mac Pro systems, the option to bounce e-mail messages not being present in Mail, how to install OS X Lion on an external hard drive, and an explanation for the "ACLs found but not expected" error in Disk Utility. We welcome alternative approaches and views from readers, so post your own suggestions in the comments!

Question: PCIe expansion slot utility not working MacFixIt reader Frank … Read more

Thunderbolt gearing up to stick around

Apple's last major connectivity advancement was in the late '90s with FireWire, which was used as a replacement for the SCSI bus on Mac systems; however, the licensing and complexity of the port made it a less attractive option than alternatives like USB for many device manufacturers, especially given the ease of implementation and eventual speed of USB 2.0. While FireWire has extended beyond its initial 400Mbps speeds to offer 800Mbps, and potentially up to 3,200Mbps, in the face of current alternatives the technology does not seem to be advancing much beyond its current implementations.

Given the … Read more

Mac Pro audio issues being tackled by Apple

Several recent reports surrounding a number of issues with Apple's top-of-the-line desktop computer, the Mac Pro, suggest the gang in Cupertino are acknowledging the problem and working on solutions. Some Mac Pros with the Nehalem processors have been experiencing high CPU usage and poor performance during audio playback. These issues are made worse by the processing not being recorded in Activity Monitor and thus not activating necessary fan operation to reduce heat.… Read more