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Fix 10.11.4 mysterious trackpad reset problem after reboot
Just encountered a mysterious problem after upgraded to 10.11.4 that every time MBP reboots and logins, my trackpad settings like tap-to-click are lost. It’s mysterious because during the very beginning time after login it worked as normal, but a few minutes later trackpad settings were reset automatically. It also affected the Mac AirPlay to AppleTV which…
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Fix iTunes Restore iPad2 Error 9 Problem
One of my relative’s iPad2 got stuck in the iTunes logo interface and stayed unusable for a while. Just tried to get it restored by iTunes via USB. However, it failed, always auto rebooted after progress bar showed under the Apple logo. Tried with DFU mode and restore process still failed with “Unknown Error 9”.…
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Annoying iCloud Photo Library Upload Stuck Problem
My iPhone6+ got stuck when uploading some photos automatically to iCloud Photo Library. It’s quite possible if the phone’s available free space is lower than 400MB when using optimizing size option, which might be required by the mysterious blackbox photo upload process. But after cleaning up disk space, it still paused at the “uploading xx photos”…
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Fix 10.11 key chain prompt with deny only
Just encounter a strange problem of key chain access. When prompting for access to credentials, the dialog can only be dismissed by Deny. In the console, “Ignoring user action since the dialog has received events from an untrusted source” was logged. According to this post, 10.11.1 contains a security patch to prevent synthetic clicks on keychain…
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Fix broken miredo in El Capitan
OSX 10.11 introduced System Integrity Protection feature protecting the /usr/sbin folder, which will break existing miredo functionality to connect teredo tunnels. Steps to fix it: Copy/move upgrade-migrated miredo command line tools from /Library/SystemMigration/History/Migration-XXX/QuarantineRoot/usr/sbin/ to /usr/local/sbin Edit /Library/LaunchDaemons/miredo.plist to use new /usr/local/sbin/miredo instead of /usr/sbin/miredo Re-enable miredo in prefpane Since El Capitan also force kernel driver signing, if your…
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MX Master bluetooth pair problem with Yosemite
Just bought the latest Logitech MX Master mouse, which is quite powerful for Yosemite to natively support Mission Control and Spaces with its mouse gesture button, together with the interesting Smart Shift scrolling feature. But also encountered the problem of pairing it with my MBP Retina on Yosemite 10.10.3. One discussion thread in the logitech forum…
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Fix safari or chrome scroll lagging in Yosemite
Just found some lagging when scrolling content in Chrome/Safari, especially after a few scrolls, the web page will pause about 0.5s then leap to the target position, which is quite annoying. After a few google around and testing, the Better Touch Tool v0.9995 is found to be the culprit. After disable it, all browsing returns…
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Fix Mac App Store An Error Has Occurred
Just encountered a frustrating problem when updating Numbers in the Mac App Store. There’s “an error has occurred” message in the Updates list as well as Purchased app list for Numbers after a seemingly success but actual fail update. Then, opening Numbers app will fail, showing an alert that the app is still updating. Go…
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fix himedia player to add nas files into media library
My HiMedia 910a player doesn’t support adding nas files (samba/nfs) into its media library. Browsing thru folders is quite tedious for media enjoy time. And 900 series players seem auto overwrite some system files when booting. Therefore customize your own firmware is the choice. Following is the solution after two days of search and configuration:…
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Setup Test Analytics on GAE with Google Apps Account
Test Analytics is a quite good project from Google for testing analysis practice. It is open sourced at http://code.google.com/p/test-analytics/. However the documentation is quite limited and not straight forward for configuration and setup. Just spend quite a few hours to make it run on GAE with Google Apps account. Here is the steps: Create target GAE…