How to run an antivirus scan for free, no need to download.

Before calling IT support you may wish to run an antivirus tool which is built into Windows. Microsoft’s “coded name” for it is Windows Malicious Software Removal Tool. You do not have to download any program. The free Microsoft antivirus tool is already installed on every Windows PC. This is not a full-blown antivirus but [...]

Thunderbolt via USB 3.0 – 2.0 backup drives

Although the theoretical speed of USB 3.0 and Thunderbolt interface should be 10 times faster than USB 2.0, its practical speed is limited by the physical hard drive and only marginally better. Often, manufacturers advertise theoretical interface transfer speed. For example, Apple calls it I/O Performance and LaCie calls it Interface Transfer Rate. Also manufacturers [...]

11th.4.2012 by dimitri  No Comments Tags: ,    Category: Computer repairs at Sydney northern beaches

Australians face web blackout if malware not removed

If sometimes find that you are unable to connect to the internet or to some websites, you might be affected by malware which changes the DNS settings on your computer. Even if your anti-virus tells you your computer is clean, you might still be affected. To check your computer for this specific DNS Changer malware [...]

30th.3.2012 by dimitri  No Comments Tags:    Category: Computer repairs at Sydney northern beaches

How to repair a TV Antenna without an Antenna Installer

If after moving into a new apartment you find that the external TV antenna is not working, you may need an antenna booster power pack. An antenna booster power pack looks like a mobile phone or laptop power pack. Also, it is easy to get the power pack confused with the antenna booster. Antenna boosters [...]

20th.12.2011 by dimitri  No Comments Tags: ,    Category: TV antenna repairs at sydney northern beaches

Power Off computer or leave It On?

Why turn it OFF? Save Energy An average PC consumes 200 W of power while on – just like a light bulb. Let’s say electricity costs an average of 20 cents per KWh in Australia. By turning your computer off for 12 hours a night you would save 12 hours x 20 cents x 0.2 [...]

8th.10.2011 by dimitri  No Comments Tags: ,    Category: Computer repairs at Sydney northern beaches

Can you trust Firefox? Data loss bug in Firefox 6, bookmarks tags deleted.

Firefox 6 deletes bookmark tags. It took me some time to notice that I had been losing Firefox bookmarks tags. I reported the bug on August 26, 2011.  The status of my report in Firefox Bugzilla (bug tracking site) is marked as verified and fixed (but the fix was not present in Firefox 7 beta) [...]

18th.9.2011 by dimitri  1 Comment Tags:    Category: Computer repairs at Sydney northern beaches

Resolve windows error – Session “Homegroup Log” failed to start with the following error: 0xC0000035

Solution: Go to Control Panel – Network and Sharing Center. Choose homegroup and sharing options and click “Leave the homegroup”. Why did this happen? You probably attempted to disable Microsoft Home Group by changing “Home network” to “public network” in the “Network and Sharing Center”. It is easy to assume that if you press on [...]

17th.8.2011 by dimitri  1 Comment Tags: ,    Category: Computer repairs at Sydney northern beaches

Samsung LED TV model UA55D8000 problems review

1. Picture does not look good on DVD or other low def sources such as standard digital TV stations. It looks like an mpeg filter problem. This is especially visible in details in motion. The TV does not have noise filter settings. This problem was obvious to my trained eye and close proximity to the [...]

16th.7.2011 by dimitri  1 Comment Tags:    Category: AV installations sydney northern beaches

Windows Vista Service Pack 1 is no longer supported, download update

As of July 12th, Windows Vista Service Pack 1 is no longer supported. Means you wont get any more Microsoft security updates. Update to Vista Service Pack 2 (SP2) or upgrade to Windows 7 which is the fastest selling operating system in history. Visit this end of support page on Windows.com to learn more about [...]

12th.7.2011 by dimitri  No Comments Tags: ,    Category: Computer repairs at Sydney northern beaches

High definition audio chips HD realtek intel and creative sound blaster comparison

Onboard audio chips sampling rate introduced Creative Sound Blaster AC’97 from 16-bit/44.1kHz 1997 16-bit/48Khz 2001 Audigy HD ( High Definition Audio,  HD Realtek audio etc) from 24-bit/48kHz from 24-bit/96kHz 2005 X-Fi from 24-bit/192kHz 2002 Audigy 2 Intel HD from 32-bit/192kHz 2004 Sampling frequency most of Mp3 music, CDs is 44.1 kHz. DVD 48kHz references wikipedia [...]

28th.6.2011 by dimitri  No Comments Tags:    Category: Computer repairs at Sydney northern beaches