Bought a used Palm IIIxe and the backlight does not work. I hav e correct AAA batteries in and I know to push and hold the power button but still no backlight. Please advise. Do I, for example, need another type of internal battery requiring the back to be unscrewed and opened?
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Check the orange "Hold" switch on the left side of the Sansa C150, if you cannot turn on the MP3 player or if none of the buttons is working. When the "Hold" switch is up, the buttons are disabled. Slide the "Hold" switch down to activate the buttons again. 2
Press and hold the "Power" button until the LCD screen lights up when turning on the MP3 player. Pressing the button quickly does not turn on the device. The "Power" button is located on the front of the device, under all the other control buttons. 3
Replace the AAA battery, if you cannot power on your MP3 player. To replace the battery, remove the battery cover from the back of the device by pressing in on its tab and pulling it off. Remove the old battery, insert the new battery and replace the cover. One AAA battery provides approximately 15 hours of power for your Sansa C150. 4
Change the backlight settings to conserve battery life. This is useful if you find the battery loses power quickly during normal use of your Sansa C150. To change the backlight settings, choose "Settings" to bring up the "Settings" menu. Select "Display," "Backlight" and then a shorter backlight time. The backlight will shut off after a period of inactivity that matches your backlight setting. 5
Review your music purchases to understand what rights you've purchased to the content, if you are unable to play a track back on your Sansa C150. When you purchase music, it comes with certain rules for how you can store and play it. You may not have paid for the right to transfer the song to a portable media player. 6
Reset the Sansa C150 if it acts erratically or if you have other problems. To reset the device, open the "Settings" menu and choose "Reset All." Choose "Save" to finish restoring the MP3 player to its factory default settings. If you decide not to reset the device during this process, select "Cancel" instead of "Save."
A very basic question would be if you've fully charged the battery pack. It is very likely to have gone dead in the interim, which means you'll have to reload everything (other than the ROM-based software that came with it) once the unit returns to life.
1. Remove 1 AAA Battery 2. Press and Hold 'ON' for 30 seconds 3. Replace AAA Battery 4. Adjust Contrast to appropriate level
If this fails, try again with ALL Batteries removed including the backup Lithium Battery.
If all else fails, try the following reset procedure:
1. Remove ALL Batteries (inc. Backup) 2. Let Calculator sit with no batteries for 2~4 hours. 3. Hold 'ON' for 30 seconds. 4. Replace all the batteries (May be good idea to use new batteries just in case old ones were dead) 5. Turn on Calculator 6. Change Contrast to appropriate level
- Remember to use correct batteries or calculator may not work. The correct batteries are Alkaline, Rechargable Batteries are TOO WEAK, Heavy Duty batteries are TOO STRONG.
At first, before to want to be sure where is the problem is, you must do these sample tests:
1) Take out your battery and plug your power cord into your phone without battery. If :
Power is on, there is definitely, your battery is bad and cannot hold a charge.
If nothing happens, your internal battery may be dead and cannot hold charge so all info in your ROM of course has been washed away except the pre-load software by Palm.
2) At this step, you need to open your Palm if you know how to do to check for any bad connection between cable and use your volmeter to check the voltage output of your inner battery or can be called reserved battery whether it is have any power. If your reserved one has correct output voltage as in specs then check all connection around your power supply part to see any crack or defect. Please reviews the link below for detail:
I hope these info will give you some hints.
Get out the battery and let the device "calm down" without any source of power for 5-10 minutes. After that push the menu/start button, hold down for 30 or more seconds and holding down, insert the battery. It has to reset the power circuitry and should help.