Question about Toshiba e740 Pocket PC

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I dropped my Toshiba e755 and the battery came off. I re-installed the battery but now it doesn't work. It will power up and display the "powered by Compal..." screen but then the display is just blank with the "backlights"(?) on. I've tried the reset button and get the same results. Any solution?

Posted by tihotdog on


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Jeff Wilson

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My suggestion would be to hook it up to an external monitor and see what happens during the boot, if you get a screen showing up there then your screen is damaged, if not then you may have other problems, for instance if the power cable was in at the time, then the power connector is easily broken. When dropping a laptop, many problems can be created, including damaged hard drive to name one. You need a repair centre that has the correct diagnostic tools to find the problem. Keeping in mind the fix may not be worth the cost as these are so cheap these days.

Posted on Nov 13, 2018

  • Anonymous Nov 13, 2018

    it belongs in the trash. no , really.



5 Related Answers


  • 903 Answers

SOURCE: Toshiba e800 perform hard reset after changing battery

At first you should assure that the backup battery is definitely charged. I suggest to charge the PDA a hole day without using.

Posted on Sep 08, 2005


Motoi Bogdan

  • 198 Answers

SOURCE: toshiba e755 pda

Hello I'm sorry to say but this looks like a corrupted ROM issue. The ROM memory stores your operating system and some parts of the firmware. If it becomes corrupted (various reasons) the PDA can't boot up the operating system, resulting in the strage situation you are experiencing. You can't connect it via active sync because it can't be detected as it can't boot anymore. It is very weird that this occured because of running an oficial upgrade. This leads me to suspect that there is something phisically rong with the wi-fi module on the pda's mainboard. You will need to take it to a service center to have it examined first. They will also put a specially made bootable sd card to reinstall the operating system is a way similar with computer windows instalation by booting from a cd. Most logically the wi-fi module has a problem and when trying to acces it by rewriting it's firmware (part of ROM) this resulted in the corruption of some ROM sectors. I'm sorry that this isn't a do-it-yourself type of fix, but it would be safest to ask a service center to examine your PDA's mainboard.

Posted on Mar 16, 2007


  • 279 Answers

SOURCE: my computer couldn't recognize usb connection with pocket pc

The reason it's saying unknown device is that your computer doesn't have a driver that matches the e755. The USB drivers for it are here:[email protected]@@@[email protected]@@@&BV_EngineID=cccfadedhjmmidlcgfkceghdgngdgmn.0&ct=DL&all_docs=false

Install those, and it should identify the device, and hopefully sync up fine. Let me know if you encounter additional errors.

You can get the manual here -[email protected]@@@[email protected]@@@&BV_EngineID=cccfadedhjmmidlcgfkceghdgngdgmn.0

Though following the link in ser71's solution and clicking on product manual gets you to the same place.


Posted on Mar 07, 2008


  • 1 Answer

SOURCE: We just purcased Toshiba 26AV502U, now the screen is blank

Heard back from Toshiba. They said to unplug the TV, wait at least 3 minutes, and then plug it back in. This should allow it to reset itself. Sounded too simple, but after doing just that the tv has worked fine for the last three days! Toshiba noted that if this didn't resolve the problem we should contact them to have a Toshiba Authorized service person come check out the tv. It worked for us, hopefully it'll work for you too. Good Luck

Posted on Apr 25, 2009

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Toshiba m100 my hand trying to have a power LED and battery LED fan works but I can not display the image signal.


If you see power lights but nothing appears on the screen, it could be a "POST" (Power-on Self Test) problem or simply LCD problem.

Here are some steps that you can try.

1. Remove the battery and the ac adapter then press the power button for at least 20 seconds to drain electric charges left from the system. (You may need to repeat this step to get it work.)

2. If above step doesn't work, try to plug in an external monitor and see if you get display from the external monitor. You may need to press the Fn + F10 or F6, depends on the key designed on the keyboard to toggle between displays.

3. If you get display from the external monitor, I'm sure your having problem with the LCD components. In this case, check and replace faulty LCD backlight, LCD cable or LCD inverter. The LCD inverter is often a culprit.

4. Try to reinsert the memory module/s (RAM) of the unit, try using one RAM at a time to see if it works. A faulty RAM will cause the issue not to POST.

5. If reinserting the RAM doesn't help, most likely your motherboard needs to be replaced.

Hope this helps.

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HARD RESET Toshiba e310 e330 e335 e350 e355 e400 e405 e570 e740 e750 ...

Make sure your device is off before performing hard reset. While holding the power button press in on the reset switch with your stylus then release the power button. When a screen appears release the reset switch.

on Mar 10, 2010 | Cell Phones

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How to align screen e755 pocket pc

To align your screen
select Settings, System, Align Screen to ajust the touch screen,

If the screen alignment loses calibration it may not be possible to adjust alignment useing the above method.
In that case the align screen command can be executed by simultaneously pressing the power button and scroll button.

useing the stylus when comanded touch the cross hairs and the Pocket PC will align the screen

Feb 24, 2011 | Toshiba e755 Pocket PC

1 Answer

Screen does not respond to touch. Can it be replaced? Is it worth replacing?

Elroy, Before you try to replace the screen, get the firmware re installed. It could very well be a software problem. If that does not work then you think on the original lines.

Jun 09, 2010 | Toshiba e755 Pocket PC

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Wireless Lan: I hadn't used my e755 in a very

You did not say what wireless you are using. The e755 is the PDA and it is having trouble with the connection to the wireless lan. There have been a lot of updates to the wireless devices because of security issues. IT could be that the PDA can not talk to the wireless because the wireless is updated. You may have to reset the PDA and have it discover the wireless connection all over again.

Jan 22, 2018 | Toshiba e755 Pocket PC

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My computer couldn't recognize usb connection with pocket pc

Have you downloaded the latest active sync from microsoft, as i think there were some problems.

Mar 04, 2007 | Toshiba e755 Pocket PC

1 Answer

Camera attachments

FlyCAM works with e755, there's a review here: Reply With Quote

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