VirtualBox Delete Oldest Snapshot
Issue: Deleting the oldest snapshot of virtual machine in VirtualBox is often difficult, sometimes there is error with detail "more than one child hard disk". Solution: Open VirtualBox control panel,…
Demystify iCloud Sync
Issue: Uploaded keynote file to iCloud through safari, after a day the iPad still could not see it when clicking the "+" sign at top left corner of Keynote in…
Google Chrome Not Start Only Flicking
Issue: Starting Chrome in Windows 7 guest from Virtualbox happens to see only flicking windows with flashing rate around 2-4 rounds per sec. Solution: Turn off hardware acceleration in Chrome…
Ugly Font Appearance in Linux
Issue: Suddenly found that the Serif fonts appeared in Linux is uglier than those appeared on Mac OS X. Solution: Configure Desktop by enabling Use sub-pixel rendering, and choose Slight…
Laser Printer for Linux
Issue: Installed Linux driver for Brother DCP-L2540DW printer driver, then found out that printing for one page or double-sided page is fine, but it always shows error "ERROR NAME; memoryfull"…
Windows XP Backup Utility
Issue: Suddenly cannot backup using Windows XP built-in backup utility. Error: "Error returned while creating the volume shadow copy: 80042301". Solution: Use suggestion from Adi Oltean as follows: There are…
iPhone WhatsApp Intermittent Missing Message Input Window
Issue:Suddently found that the message input window was missing. Instead there're only labels as Earlier and Later appearing at the bottom of screen, and you cannot find a way to…
CentOS Not Bootable after Install Kernel-devel rpm
Issue: OS unbootable and show the following message: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) Solution: At waiting to boot loader click any key…
OpenSuse Chinese Input Issue with SCIM
Issue: Using SCIM happily to input Chinese characters with my previous Linux distribution - Ubuntu, but using SCIM in my current OpenSuse is painful as the screen refeashing always crawls…
OSX 10.9 Upgrade Issue
Issue: Get error message: "This copy of the Install OS X Mavericks application can't be verified. It may have been corrupted or tampered with during downloading." Then it could not…