Tech DC Support

D.C. Computer Services:
- PC & Mac Computer Support
- Computer Training
- Computer Maintenance, Diagnostics, Repair, Recovery and Upgrades
- Website Development
- Network Administration
- TV / Home Theater Install
- Music Studio, Video Studio and Photo Studio Set Ups

Email info@techdc.com
or call 202-709-3805 for
home and office tech support
in Virginia, D.C., and Maryland

iMac 27 Screen Problems

Screen Busted

There has been a lot of concern online about screen problems with the late 2009 27 inch model of iMacs. Gizmodo has covered this extensively. I recently saw an Arlington, Virginia customer’s 27″ iMac that had developed screen problems. I used PiXel Check to change the screen to one color to see [...]

12 Tips for Protecting Your Computer from Snoopers

In the DC area especially, there are people who have reason to be concerned about computer espionage, either for work (national or corporate secrets) or personal reasons (divorce or blackmail). Here are 12 tips to guard against intruders snooping on your activities:

Use decent passwords. The easiest way for someone to access your email and [...]

Old Kindle and Kindle 2 users get no improved battery life

Kindle Battery Update.. Not For Most People

It has been widely reported that the recent Kindle firmware update improved battery life up to 85%. Unfortunately, this is not true for almost all Kindle owners.  The battery life improvement only applies to the recent Kindle 2 (Global Wireless) version that was introduced October 7, 2009.  The [...]

Aluminum iMac Hard Drive Upgrade

What you need

1. T6 and T8 torx screwdrivers 2. Phillips Head screwdriver 3. Microfiber cleaning cloth 4. Suction cups 5. External USB or firewire backup hard drive 6. New SATA hard drive. We recommend the 1.5TB Western Digital Green Drive

Step 1 – Backup via Time Machine

Before you start, you have to first [...]

Replace UPS Batteries

If you have computers or electronics that you don’t want to be killed by power fluctuations, it’s a good idea to have a UPS (Uninterruptible Power Supply). The battery in the UPS keeps your equipment running through blackouts our brownouts (reduced power).

Dead Battery

The main problem with a UPS is that its battery might [...]