Nokia E90 Troubleshooting

You're Nokia E90 cell phone may have problems regarding how the phone is powered.

The battery may be uncharged, and if so plug in the phone charger to the phone and wait several minutes before trying to power the device on again.

On the other hand, the battery may be faulty, and though you may have tried to charge it, there still may be no charge. You will need to replace the battery. To access the battery visit the Removing Nokia E90 Back Cover and Battery guide.

Finally, if you find that the battery is just fine, the problem may lie in your phone charger. It may not be effectively providing charge to the battery and therefore leaving the phone with no charge. In this case, look into replacing your charger.

The phone may be turning on, yet the screen is not displaying the information. If you feel that the phone is active, yet the screen remains black, you may need to replace the screen. If the front screen is faulty visit the Removing and Installing the Front Screen and Front Keypad guide to replace the front screen and if the inside screen is faulty visit the Removing or Installing Nokia E90 Inside Screen guide to replace the inside screen.

A faulty logic board may also cause this issue. The connections to the components required to turn the device on are in the logic board, thus these connections may be broken. The logic board may need to be replaced.

You may be trying to make a phone call or sending a text message, but you notice that you calls get dropped or your messages are simply not going through. This may because you are located in a spot that your cell phone provider does not have coverage for. Please call your cell phone prover for more info.

Please ensure your device is registered with an active service provider (such as AT&T or Sprint). If you have registered your device, then call your service provider's customer service to see if any action is needed/unfinished in your account registration.

The component in the cellphone that receives signal is the antenna. The antenna may have become damaged or disconnected through daily use such as drops or other impacts. The antenna will either need to be replaced or reconnected.

f you are receiving no signal the problem may lie within the logic board. If this is the case, you may need to replace the logic board or check the connection between the logic board and the antenna.

Your phone may either be in the "silence" mode or the volume setting may be very low. To adjust volume, tap the +/- buttons located on the side of the device. To adjust the ringer setting from "silent," please refer to the user manual.

If the audio still is not working, you may have a faulty speaker. This can happen though daily use or exposure to moisture. If this is determined to be the issue, the speaker will need to be replaced.

If the speaker is determined not to be cause of the audio problem, the logic board or connection to the logic board may be at fault. Ensure the speaker is connected to the logic board. If this still does not solve the problem, the logic board may need to be replaced.

Sand, water, and other foreign objects can cause damage to the keypad. Check to see if any of the keys can be "unstuck" gently. Debris may need to be removed from under the keys as well.

If the keypad is simply not responding, the logic board is the likely cause. Water damage or faulty connections may lead to malfunction; such malfunction would require the logic board to be replaced.

If there is a crack running through the screen, the LCD screen will likely need to be replaced.

If the screen is discolored or the display is malfunctioning, you may need to replace the LCD Screen.

Faulty connections to the logic board will cause either discolorations or blackouts in the screen. This will also occur should the logic board be malfunctioning. Check the connections between the screen and the logic board, if those appear functional then the logic board may need to be replaced.

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