the below links contain information that you need when you encounter hard disk failure, certain type of hard disk failure requires it to be sent to the laboratory to recover your data and in some cases, you can actually do-it-yourself.   https://www.howtogeek.com/173463/bad-sectors-explained-why-hard-drives-get-bad-sectors-and-what-you-can-do-about-it/   http://www.adrc.com/diy_rescue/win/hard_disk_clicking.html   http://harddriveclicking.net/category/click-of-death   ddrescue is a good tool to recover files from bad hard disks with logical errors if you know […]

the following youtube link is a good guide for disassembling imac for instance, hard disk replacement. https://youtu.be/zkcTFHc179Q the below snapshots are my own(Taking the faulty hard disk out and replacing it with a new one, reinstall and tested ok):  

there are some useful tools which every home computing individual should know about, refer to the links below: http://blog.nirsoft.net/ http://www.nirsoft.net/  

i am not trying to tell people that facebook videos can be stolen. it’s just some educational videos which can really be useful and if you don’t save the videos, it may turn out that that the links have been taken down the next time you want to access videos again. wonderfully, it’s easy to save videos of your interest using the simple steps below: […]

as the title suggest, when you are experiencing slow internet connection speed or something not so right with accessing websites. it’s not the wifi adpapter but something else. the below suggest some of the symptoms of a failing wifi adapter/chip if it is really failing:   http://smallbusiness.chron.com/symptoms-failing-wifi-card-71204.html   on the other hand, use the tips in the link provided below to find out what causes […]

CPU/GPU Bitcoin Mining. … Theoretically, you could use your computer’s CPU to mine for bitcoins, but in practice, this is so slow by today’s standards that there isn’t any point. You can enhance your bitcoin hash rate by adding graphics hardware to your desktop computer. recommended to join miner pools, it’s almost impossible to crack yourself. At current difficulty, if you mine in a pool, you will probably mine about 0.00001406 BTC per week. That means, […]

Entitlements, not product keys When you use the free upgrade to Windows 10 or pay for a digital retail version, you don’t get a product key. Instead, your computer uses what Microsoft calls a digital entitlement. “Upon upgrading to Windows 10, the activation state from a prior version of Windows (be it Windows 7, Windows 8 or a prior build of Windows 10) is seamlessly […]

Microsoft largely stopped offering free Windows 10 upgrades back in July 2016. However, there’s been an ongoing exception: if you use accessibility features, you’ve had an extension of that promo. And now, that last deal is coming to an end. Microsoft has quietly updated its site to reveal that free upgrades for those who need assistive technologies will end on December 31st, 2017.   https://www.engadget.com/2017/11/04/microsoft-ends-its-last-free-windows-10-promo-on-december-31st/

On the heels of Lenovo’s massive $3.5 million fine for preinstalling adware on laptops without users‘ consent, Hewlett-Packard is jumping in with both feet when it comes to installing spyware on its PCs without the consumer’s permission. The software, which was first identified on November 15 of this year, is called “HP Touchpoint Analytics Service” and appears to replace the self-managed HP Touchpoint Manager solution. According to the official productivity description, it […]

Host-Only: The VM will be assigned one IP, but it’s only accessible by the box VM is running on. No other computers can access it. NAT: Just like your home network with a wireless router, the VM will be assigned in a separate subnet, like 192.168.6.1 is your host computer, and VM is 192.168.6.3, then your VM can access outside network like your host, but no outside access […]