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firmware

I can’t log in: what to do when you forget your password, or its doesn’t work

You suddenly can’t remember your password, or your Mac won’t accept what you think is your password. What do you do next?

June 30, 2017 Macs, Technology

Startup tones, EFI, and fixing failed firmware updates

A guide to different tones sounded at startup, how to cope with EFI ROM update problems, and MacBook Pro 2016 issues.

April 26, 2017 Macs, Technology

Last Week on My Mac: Compromised, or conned?

Hackers claim 300 million compromised iCloud accounts, and Wikileaks claims details of techniques being used by CIA to spy on Mac and iOS users. Fact or fake?

March 26, 2017 General, Macs, Technology

Persistence: EFI, SMC and NVRAM (formerly PRAM)

These store key information for your Mac. Resetting the SMC and NVRAM is no panacea, but can transform an apparently dying Mac.

August 23, 2016 Macs, Technology

Firmware passwords: a mixed blessing

Coupled with FileVault’s whole disk encryption, this can stop others from accessing your data. But there are disadvantages too.

July 1, 2016 Macs, Technology

Updating the firmware of a Promise Pegasus R4 RAID

Keeping it up to date is important, but there is a slight twist (as ever).

May 4, 2016 Macs, Technology

Q&A: Broken Boot Camp drive

Trying to install Ubuntu on my Boot Camp partition crashed my iMac, and it will not now boot from its install optical disk. How can I recover it?

July 22, 2015 Macs, Technology

Q&A: Add memory, get panics

After installing additional memory, my iMac keeps falling over, usually with a kernel panic. Is this a problem with Yosemite?

June 30, 2015 Macs, Technology

Q&A: restoring firmware after interrupted firmware update

After an interrupted firmware update, my iMac refuses to start up. What can I do?

June 17, 2015 Macs, Technology

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