Author: Bob Lin

Situation: The use can watch TV only on his Sharp 70 inch TV. Other ports such as USB, HDIM don’t work. When you select them, it doesn’t take it or black screen.

We fixed the problem by reset it to default settings.

Light Painting Photography is photographic techniques of moving a light source while taking a long exposure photograph to illuminate a subject. What you need are camera that can take a long exposure and a light source for example flash.

In a night without light or a dark room. The settings are taking a few seconds to 30 seconds exposure. Use the light source to
illuminate the subject. Low ISO and Aperture. Here are some examples.

1. F32, ISO 100, 20 seconds.

2. F22, ISO 100, 30 Seconds.

Situation: After turning flash on and off, the Pixel 3 turn into black screen. Can’t turn off or on.

Troubleshooting: Press and hold the Power key for 30 seconds or even more and when the logo shows up on the screen, release it.

1. After windows 10 update, the user can’t start the Lightroom. The Task manager shows No Responding. Uninstalling and re-installing Lightroom fixes it.
2. It could be Visual Studio problem. Repair or re-install it.
3. Restore Lightroom Preferences, which is located in C:\Users\blin\AppData\Local\Adobe\Lightroom\Preferences.
4. It could be the Plug-ins problem. In our case, it is Luminar 3 plug-ins. Reinstalling Luminar 3 fixes the problem.

Situation: The client has a problem to print multiple copies. When he tries, he get this message: Only one copy was printing while more than one copy required. RAM disk is full or not enabled. Or, SSD or SD Card is full.

Troubleshooting: If it is HP printer, try to disabling Mopier mode.

1. Start > Devices and Printers
2. Double-click printer
3. Double-click “Customize your printer”
4. Click “Device Settings” tab
5. Scroll to bottom of page and change “Mopier Mode” to Disabled under the “Installable Options” group.

Situation: The client tries to install Adobe Pro X, but he can’t. It keeps popup saying he doesn’t have a permission or can’t access Adobe folder.

Troubleshooting: 1. Install the Adobe by checking Run as admin.

2.  Set the entire Adobe preferences folder with full permissions in

• Mac OS: [drive]/Users/[user_name]/Library/Preferences/Adobe/
• Windows: [drive]Users[user_name]AppDataRoamingAdobe

3. Remove all previous versions of Acrobat or Reader, and then reinstall.

4. Set full permissions on Adobe folder.

5. Login admin account and try it.

6. In our case, since we can’t delete the Adobe folder, we restart the computer, delete Adobe folder. then we can install it.

There are many apps to mirror iPad/iPhone screen to a computer. Here are some of them.

1. LonelyScreen: it is a free, easy-to-use AirPlay receiver you install on your PC. 1) download and install LonelyScreen on your computer. 2) Once LonelyScreen is running and has been unblocked in your firewall, the main screen displays. The receiver name is “LonelyScreen” by default. This name will display on your iOS device as an AirPlay receiver to which you can mirror information. 3) Now, you’ll set up your iOS device to send information to your PC. To do this, LonelyScreen must be running and connected to the same Wi-Fi network as your iOS device. LonelyScreen can be minimized, but don’t exit the program. 4) When an AirPlay receiver is active and your iOS device can see it, AirPlay is available on the Control Center. Tap on it. 5) “LonelyScreen” you assigned to the LonelyScreen receiver, displays on the AirPlay screen. Tap on it to select it. 6) To start mirroring your iOS device on your PC, tap the “Mirroring” slider button that displays. 7) The Mirroring slider button turns green indicating your iOS device’s screen will be mirrored to your PC. Tap “Done”. 8) You are returned to the Control Center. Notice that the name of the LonelyScreen AirPlay receiver now displays on the Control Center. Tap the down arrow at the top to close the Control Center. 9) Now, whatever you do on your iOS device displays in the LonelyScreen AirPlay Receiver window, including music and videos. You can enlarge the LonelyScreen window to make the content from your iOS device larger on your PC’s screen.
2. iTools Airplayer: With the latest version of iTunes installed, you can use iTools to display iPad on computer. 1) Open iTools on the computer and connect your iPad through USB cable. 2) Click “Desktop” and then tap on “Live Desktop” on the top of the screen.

Keep your iPad activated and mirror iPad screen on computer.

3. ApowerManager: is also completely compatible with iOS and Android operation system. 1) Download/install this tool and connect iPad to computer through USB cable. 2) Launch the ApowerManager. Click “Tools” tab on the top of the interface. Open “iOS Recorder”. 3) Make sure your iPad and PC are connected to the same WiFi network. On your iPad, swipe up from the bottom and tap “Screen Mirroring”. 4) Choose the name of your computer. 5) Then your iPad screen will be mirrored to the computer. Click “Start recording” to record the phone screen. Or click “Screenshot” to take a screenshot. Under “Options” > “Recording settings” > “Audio input”, you can choose to record system sound, microphone or both.

4. Reflector 2: Here is how. 1) First, you’ll need to install Reflector 2 on your PC. A seven-day free trial is available, or if you’ve already purchased, you can download here. Follow the on-screen instructions for installation. Once installed, launch the application. 2) Connect your PC and your iPad to the same network. 3) On your iPad, swipe up from the bottom of the screen to reveal the control center. 4) The AirPlay option is to the right of the AirDrop option and only appears if an AirPlay destination (Reflector 2 in this case) is available.
The AirPlay option is to the right of the AirDrop option and only appears if an AirPlay destination (Reflector 2 in this case) is available. 5) Select your PC’s name from the list. 6) Tap the mirroring toggle below the PC name to begin mirroring. 7) Your iPad screen will appear on your PC.

5. ApowerMirror: It’s compatible with both Android and iOS system and enables you to stream phone and iPad screen to your computer. 1) Download and install ApowerMirror both on your computer and iPad. 2) Make sure your phone and computer are connected to the same WiFi network. Open “Control center” and tap “Screen Mirroring” to choose the name of your device. 3) Then your iPad screen will be streamed to the computer.

Backlight photography literally means any type of photography wherein the primary light source is positioned behind the subject. Here are some tips.

1. Set Camera Settings: Wide Aperture between f/1.8 to f/5.6, Shutter speed above 1/100 seconds, low ISO between 100 – 800.

2. Light resources: When we take backlit photography, the back ground may be over exposure while the subject is dark. You may use offline flash. However, the flash may watch out the background. It is recommended to use reflector. In the follow example, we use phone flash.

3. Position and diffuse the Sun. Find a location where the sun can be partially covered by your camera, or use subject blocking the sun
while still allowing the light to shine onto your subjects. Change your position or subject position.

4. Focus: use spot metering and single focus so that you can get the right exposure for them rather than the background.  In addition to spot metering, try using manual mode when focusing rather than automatic.

5. Filter the sunlight and flare by using umbrellas or a lens hood.

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