Question about Apple iPhone Smartphone

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Screen just black apart from signal strength and battery power

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  • 239 Answers

Jim

Try a reset. Hold down the power key at the same time as the round home key until
phone powers down. Release buttons only when you see the apple logo,
then wait a min or two for phone to re-boot. You will not lose any data on the phone.

If this does not work, try an actual system reset. Sync iPhone to computer to back
up essential data ie contacts apps etc, then go to settings general and reset. Reset
all settings as a last resort. This will give you a fresh start and should sort out
the majority of any bugs the phone has. A resync with you computer will restore apps etc.

Hope this helps and if so please vote.

Thanks

Jim

Posted on Feb 08, 2010

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2 Answers

Black screen


Possible causes
  • Your TV is not receiving or displaying the signal from your DIRECTV® Receiver.
  • Your receiver has correct guide information, but is not processing video correctly.
  • You are viewing a channel where an upcoming sporting or special event is scheduled or has recently ended.

Solutions
  • Turn TV off and on.
  • Make sure light on front panel of receiver is lit.
  • Press the "TV/DSS" button on the remote control or front panel of the receiver (not all receivers have this option).
  • Reset the receiver by unplugging the power cord for 15 seconds.
  • Check all cable connections between the dish, receiver and TV.

If the picture is black, but the program title and description display in a banner the top of the screen:
  • If the problem is only occurring on a few channels, check the detailed description of the program through the on–screen guide on those channels. Often, we display a blank screen with a banner before and after a high–profile event to alert customers about the event.
  • Reset the receiver by turning off and unplugging the power cord for 15 seconds.
  • Run a signal meter test to check your signal strength (press "menu" and look under "setup" or "installation").

If your signal strength is below 70 (or below 60 on HD receivers) in clear weather on transponders 1 and 2, see our troubleshooting steps for "Searching for satellite signal. Please stand by." You may see zero strength on transponders 4, 12, 18, 20, 26 and 28. This is normal in many areas. Your system manual shows how to run cables and point your dish.

Oct 24, 2007 | Toshiba 30HF66 30" TV

Tip

What to do if you cannot make call on your phone.


Before you even start trouble shooting ask yourself whether your phone may be barred from the network if it is stolen or the account holder did not pay their bill....If this is not the case then ensure that your phone is powered on. Hold the power button down for a full 3 seconds. (The power button is often located on the top of your phone. Please refer to your user guide for the location of the power button for your specific phone). Confirm that your service is active. If you are unsure, contact your service provider.
Check that you have sufficient network signal strength. When you are at the start screen or in a call, the strength of the radio signal is indicated by the signal indicators on the left side of your phone's display. These indicators move up as the strength of the signal increases and down as the signal decreases. To increase your phone's signal strength, try moving your phone slightly, or move towards a window if you're calling from inside a building.
If you are still unable to place a call, please contact your service provider. If they are unable to assist you, please submit your phone so it may be inspected for repair.

on Sep 28, 2010 | Cell Phones

1 Answer

Cannot change channel on my Dynex DX-L26-10a TV


Try checking the signal strength then run the scan again.
Checking the DTV signal strength
You can check the DTV signal strength to determine if you need to adjust your antenna or digital cable input. The higher the signal strength, the less likely you are to experience picture degradation.To check the DTV signal strength:
1.Press MENU. The on-screen menu opens.

2.Press < or > to highlight Channel, then press v. The Channel menu opens. The DTV signal strength is shown at the bottom of the menu.

3.Press EXIT to close the menu.

Oct 26, 2012 | Dell Vostro 200 PC Desktop

1 Answer

Insignia NS-30HTV 30 screen is black on all inputs, and says digital channel signal strength is low, can i fix this?


you need to get a digital aerial first .then you can sort out any other problems from there

Oct 03, 2012 | Insignia NS-30HTV 30" TV

1 Answer

BlackBerry Curve 8520 signal swing


#1 Your BlackBerry does not have sufficient Power
Check the battery charge level as shown by the battery icon on the top left of the home screen. No Power - Battery Charge Indicator does not show a charge or is very weak. The battery icon may be red. Charge the battery.
#2 You are Out of Network coverage area
Check the Signal Strength Indicator on the home screen. (1 to 5 bars, as shown below, indicating signal strength). If there is no signal, you may be out of range of the network.
If you are sure you are in range of the network, but show no signal strength, press Alt-Right Shift-Del at the same time. This will cause the BlackBerry to reacquire a network connection.
The process for this procedure is:
  • Press Alt-Right Shift-Del (The Del key is also the Backspace key.)
  • The screen will go blank, and an hourglass will appear. Wait for the hourglass to go away.
  • The startup screen will appear. Wait for it to go away.
  • A screen that says Verifying Security Software will appear. Wait for it to go away.
  • Check the Radio Tower icon.
If you are in Coverage Area of your Service Provider, You will get the network.
#3 Your Data plan is switched Off.

Feb 22, 2011 | RIM BlackBerry Curve 8520 Smartphone

3 Answers

Can not get past I agree, no response when touching screen.


did u try reseting the unit?
if yes but still same then pls try to calibarate ur screen.

turn off ur device,
while off, hold the upper-left corner of the screen while turning the power on
leave the power button when its on but continue holding(30 secs) the upper-left corner of the screen untill "Press dot" appears.

thanks

Jul 29, 2010 | Garmin nuvi 255W GPS Receiver

1 Answer

Bad reception fm radio signal


usually batteries...am takes less juice.....battery strength will affect fm signal strength

Nov 08, 2009 | GPX RDT4004SP AM/FM Radio

2 Answers

Nokia 1600 is dead how to repair it


If your phone appears to have problems with power, the problem may be with the phone, the battery, or the charger.
  • The first thing to try is to connect the phone to its charger. Connect the charger to a power source, wait for a few moments, and then try to turn the phone on.
If the phone still won't power on, please perform the following checks:
  • Fully charge the battery according to the instructions presented in the user guide.
  • Remove and re-insert the battery according to the instructions presented in the user guide.
  • Check that you are using a Nokia battery and charger compatible with your phone model. You can check compatibility from the Battery Compatibility Chart and Charger Compatibility Chart.
  • If you have access to another battery and charger of the same type as yours, try substituting them to determine if the issue is with the phone, the battery, or the charger.
If you are unable to test your phone or it still won't power on, please bring it to the nearest Nokia Care point for inspection. You can find Care point addresses from the drop-down menu to the right.
My phone is always low on power
If your phone appears to have problems retaining power, the problem may be with the phone, the battery, or the charger.
  • Check that you are using an original Nokia battery and charger compatible with your phone model from the Battery Compatibility Chart and Charger Compatibility Chart. If your battery features a hologram label, you can authenticate that the battery is an original Nokia product with our Check Your Battery service.
  • If you have access to another battery and charger of the same type as yours, try substituting them to determine if the issue is with the phone, the battery, or the charger.
  • Even high-quality batteries like Nokia's will eventually lose power retention capacity. If it is time to replace your battery with a new one, be sure to purchase an original Nokia battery from an authorized Nokia dealer.
If you are unable to test your phone, charger, or battery or need further assistance, please bring them to a Nokia Care point for inspection. You can find Care point addresses from the drop-down menu to the right.
My calls break up/are dropped
Dropped calls or low sound quality during calls can result from low signal strength or momentary gaps in network coverage, either at your end or the other end of the connection.
In most cases, your operator or service provider is the best source of assistance with issues regarding signal strength.
  • Signal strength is indicated by the signal indicators at the left side of the phone's display, these indicators move up as the strength of the signal increases and down as the signal decreases.
  • To increase your phone's signal strength, try moving your phone slightly, or move towards a window if you're calling from inside a building.
If you continuously experience low signal strength in a certain area, it may be that network coverage is insufficient there. Your operator or service provider can provide you with more information on network coverage.
If you believe that the problem may be with your phone instead of the network, please bring your phone to a Nokia Care point for inspection. You can find Care point addresses from the drop-down menu to the right.
My phone won't ring
Please try the following troubleshooting tips:
  • Ensure that you phone is on and that there is sufficient signal strength.
    • Signal strength is indicated by the signal indicators at the left side of the phone's display, these indicators move up as the strength of the signal increases and down as the signal decreases.
    • To increase your phone's signal strength, try moving your phone slightly, or move towards a window if you're calling from inside a building.
  • For some phone models, if there is a headset attached to the phone, it will not ring through the speaker, only through the headset. Detach the headset and retest the phone to determine if that resolves the issue.
  • If the phone's profile is set as "Silent", "Flight", "Online", or any other profile where ringing is silenced, it will not ring. Change the profile to the "General" or "Normal" profile and retest. Instructions for checking and changing your profile are included in your user guide.
  • Ensure that a ring tone has been enabled and the volume is not too low. Instructions for adjusting volume and selecting a ring tone are included in your user guide.
  • If call divert is activated, your calls may be going straight to voice mail without your phone ringing. Instructions for activating and inactivating call divert are included in your user guide. For assistance with voice mail, please contact your operator or service provider.
If your phone still won't ring, please bring it to a Nokia Care point for inspection. You can find Care point addresses from the drop-down menu to the right.
My phone won't send/receive messages
Email, text messaging, and multimedia/picture messaging must be supported by your contract with your operator or service provider. In addition, your phone must support these features and have the correct settings.
  • Check the types of messaging supported by your phone model. You can find this information in the user guide. Look for the terms SMS for text messaging and MMS for multimedia (picture/audio) messaging.
  • Contact your operator or service provider to check that email, text messaging, and/or multimedia (picture) messaging are included in your service contract. Also verify that roaming is supported when you are not within your home network.
  • Install messaging settings for your phone. You can download settings for free from our Setting service.
If you are still unable to send or receive messages, please bring your phone to a Nokia Care point for inspection. You can find Care point addresses from the drop-down menu to the right.
I want to recycle my phone and accessories
Just drop of your old mobile phone and accessories at any Nokia Care point. Nokia will send the old products to closest Nokia approved recycling company. Mobile phone recycling leads to both material and energy recovery from old devices, and helps ensure the proper disposal of harmful substances.

Apr 24, 2009 | Nokia 1600 Cellular Phone

1 Answer

Phone resets itself while talking


Try processing a PRL update. This has to be initiated through customer care. Give them a call and request that they set your phone number for a PRL update and then after hanging up with them you will dial *2 and follow the prompts for this request. This should provision your phone with the surrounding towers and improve your signal strength. Also, of course, make sure your battery is fully charged. WinMobile phones aren't known for their battery life.

Mar 30, 2009 | HTC Touch Pro Smartphone

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