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Question about Hyun Won mobiBLU DAH-1900 MP3 Player

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CANT TURN POWER ON

WHEN YOU PRESS POWER ON, ONLY CURSOR LAMP COMES ON.SHOWS NO DISPLAY,CANT BE RECOGNISED PC WHEN U CONNECT THRU USB & PUT THE HOLD SW ON.
CURSOR LAMP ALSO GOES OFF WHEN U RELEASE POWER SW
NO EFFECT OF RESET SWITCH.

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Anonymous

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Download the firmware updater from the mobiblu site
Install the software, connect the player via the USB cable, set the switch to hold and run the updater. When it is finished, stop the device and disconnect it. When you power up, it will be back to factory settings (any data/music will be erased).

Posted on Feb 26, 2009

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Anonymous

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Dtfix,
Much thanks I fixed the problem million thanks for that..
Regards
Nathan-Frank

Posted on Jul 21, 2010

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1helpful
2answers

F buttons description

F1 - Security System

1

Press and hold the "Fn" key on the lower left-hand corner of your Toshiba keyboard.


2

Press the "F1" key to activate the security system.


Your laptop's screen will go blank so others can't see what you are working on or accessing.


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3

Press any key or touch the touchpad to exit the security mode.


F2 - Power Save Mode

4

Press and hold the "Fn" key.


5

Press the "F2" key to activate the Power Save mode and make changes to how your laptop handles operating on battery or AC power.


6

Press "Fn" and the "F2" key again to exit the power save mode.


F3 - Standby Mode

7

Press and hold the "Fn" key.


8

Press the "F3" key to place your laptop in Standby mode.

The Standby dialog box will appear.


9

Verify you want to enter Standby mode. Press the power button on your Toshiba laptop to exit Standby mode.


F4 - Hibernation Mode

10

Press and hold the "Fn" key.


11

Press the "F4" key to activate the Hibernation mode and save whatever documents and files that are open to your hard drive.


12

Verify you want to enter Hibernation mode. Press the power button on your Toshiba laptop to exit Hibernation mode.


F5 - Active Display Device/F6 and F7 - Toshiba LCD Screen Brightness

13

Press and hold the "Fn" key.


14

Press the "F5" key to change your laptop's active display device from the laptop screen to an external monitor.


15

Click on the display configuration you want: displaying on both the laptop and external monitor; only on the laptop; only on the external monitor; or a specific screen resolution.


16

Press and hold "Fn" and "F5" to accept the new display settings. Press and hold "Fn" and "F5" again to return to your laptop's display only.


17

Press and hold the "Fn" key.


18

Press the "F6" key to decrease your laptop's screen brightness. Press the "F7" key to increase the brightness.


F8 - Wireless Connection/Bluetooth

19

Press and hold the "Fn" key.


20

Press the "F8" key to select the wireless Internet or Bluetooth connection you want to use.


21

Press and hold "Fn" and "F8" to make your selection. Release the keys to confirm your selection.


F9 - Touchpad Control

22

Press and hold the "Fn" key.


23

Press the "F9" key to enable your laptop's touchpad.


24

Press and hold "Fn" and "F9" again to disable the touchpad.


F10 and F11 - Numeric Keypad/F12 - Scroll Lock

25

Press and hold the "Fn" key.


26

Press the "F10" key to enable your Toshiba laptop's numeric keypad.


27

Press and hold "Fn" and "F11" to enable the cursor control keys on the numeric keypad.


28

Press and hold the "Fn" and "F10" or "F11" key to disable the numeric keypad or cursor control keys.


29

Press and hold the "Fn" key.


30

Press the "F12" key to lock your cursor on a specific line of text. Press and hold "Fn" and "F12" to turn scroll lock off.


hope this helps




3helpful
1answer

I just change the lamp but still the lamp hours shows the old timing

HelloYou have to reset the lamp time after lamp replacement. To reset lamp time follow these steps.[1] Press the power button, so that a picture is projected onto the screen.[2] Press the 'menu' button to display the 'main menu' screen, and press 'up' or 'down' buttons to move the cursor to select 'options-2'.[3] Press the 'enter' button to display the 'options-2' screen, and then use the 'up' and 'down' button to select 'lamp runtime'.[4] Press and hold 'enter' button for approximately 3 seconds. The 'lamp runtime' will change to 'time reset [power off]. Note: If the 'menu' button is pressed the lamp time resetting screen will be cancelled.[5] Hold down the 'power' buttonfor at least [0.5] seconds or press the 'power' button twice to turn oFF the power. This will reset the cumulative usage time for the lamp unit into Zero. OK.
0helpful
1answer

My iphone 4 has crashed and displays the picture of a USB Cable ans the itunes logo, i cant get my laptop to recognise the iphone when i plug it in to restore any ideas?

You need to put it to DFU mode in order for your computer to recognize it. Here's one way of doing that:
  1. Plug/connect your device to a computer (PC or Mac)
  2. Turn it OFF
  3. Press and hold the POWER and HOME buttons together for EXACTLY 10seconds
  4. Release the POWER button but keep holding the HOME button until the computer beeps indicating that a USB device is recognized.
  5. Open iTunes and restore your device.

Warning: Restoring will delete all data on your device but this is the only way for you to recover it.


If you don't get it at first, try holding the buttons for lesser time or see the other procedures and some screenshots on my tip (link below):

http://www.fixya.com/support/r5541493-put_iphone_ipod_touch_dfu_mode_restore


For more iPhone / iPod touch tips like jailbreaking and unlocking, CLICK HERE.
0helpful
1answer

Hi both of the usb ports don't work and my computer doesn't recognise anything that i plug in. Can you help?

Hi,
Open RUN from the Start menu, type DEVMGMT.MSC and you can able to view the Device Manager window once you press enter. There you can able to view the USB Controllers. Expand that and Right Click and select Un-install. Do this for all the USB listed there and reboot your PC.

Connect any USB device and check whether working or not.

If NO, remove the power cable, remove the battery and press and hold the Power Button of your PC for 60 seconds. Put the battery back and turn on your PC. Check whether now the USB is works or still facing the issue.

Please let me know the status.
3helpful
2answers

My view wont do anything, when i turn it on the only thing it does is turn the dial light blue, nohing else, when i plu it in, nothing. the blue light will stay on for however long the battery lasts, is...

Solutions are in order of increasing probability of data loss AND device recovery.
Screen messages are loose approximations

A Soft Reset
1. Hold Power switch up for 5 seconds.
2. Screen displays "Goodbye".
3. Restart

B. Hard Reset
1. Hold Power Switch for 30 seconds
2. Restart

C. Recovery Mode
1. Hold Power Switch for 5 seconds to switch device Off
2. Move switch to Hold
3. Press and hold Home button
4. Connect USB cable to device
5. Screen displays "USB" in small type and "16 MB Format" shows up in My Computer
6. Copy firmware files to "16 MB Format" drive letter
7. Disconnect USB cable
8. Screen displays "Firmware update"
9. Restart device

C. Force Format (This one wipes the data partition. Make sure all needed music/pictures/video exist elsewhere)

1. Hold Power Switch for 5 seconds to switch device Off
2. Move switch to Hold
3. Press and hold top/North/up of Scroll Wheel
4. Connect USB cable to device
5. Screen displays "Format and lose data"
6. Press right/East on Scroll Wheel to confirm
7. Screen displays "Formatting"
8. Restart device

D. Manufacturing Mode (included for completeness only)
1. Hold Power Switch for 5 seconds to switch device Off
2. Move switch to Hold
3. Press and hold centre of Scroll Wheel button
4. Connect USB cable to device
5. Windows detects a new hardware device
6. ???
7. ???
8. ???
3helpful
1answer

Problem in transcend mp3

download the firmware here http://www.transcendusa.com/Support/DLCenter/Driver/MP630FWV1.52.zip now 1. Press and hold the “Reset” button on MP630 for 2 seconds. 2. Press and hold the “Volume Down“ button and connect MP630 to an available USB port on a computer.
0helpful
1answer

F..ked up

Try a different USB cable and different USB ports. Lots of times it's the cable.

Try holding the power button "UP" for 15 seconds, wait a few moments, try turning on and off then reconnect to computer. This resets the unit.

Force MSC mode - power button "DOWN" in hold (orange showing), press and hold CENTER button while connecting USB cable (& don't release CENTER button until unit is recognized). You won't be able to transfer DRM-protected content but it might just fix what's ailing you.

Hope this helps.
0helpful
1answer

Phillips mp3 player

Connect the player to the power adaptor and connect to the PC.

On the player press and hold "Power" & "Vol +", this should reset the player.

Wait for PC to recognise player.

If this doesn't work try the following:

Connect the HDD6330 to the mains adaptor and the PC.

Before the computer has a chance to recognise the player, press "Power" and "Vol +" to reset the player.

As soon as the player resets (screen goes blank) press and hold "Vol -" until the PC recognises the player as a removable drive.

Try to access the player through "My Computer" as you would the main hard disk.

If the computer recognises the player, then it can be restored by copying the system files directly on to the player.
1helpful
6answers

Reset lamp timer

you need to enter factory Menu.

You do so by doing the following:
1).Start the projector.
2).Press keypad <Source> and <Auto> keys simultaneously, enter " Lamp Hour info" layer
3). Press <Source> and <Auto> keys simultaneously again, then enter factor menu.
Do not change anything till you reach Lamp Layer where lamp hour and usage hour is given. If you reset, then all data revert to default - factory reset. you may chage here or under (2).
Let me know if this solves your problem.
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