HP iPaq 614c Business Navigator: The red led light is on when USB power supply plugged in. But the phone does not come on at all. The screen is blank/black. If I remove the battery and plug in USB power supply, the green led light comes on and at the same time the amber led flashes. How do I resolve this issue?

SOURCE: hp ipaq business navigator on charge red light is

The problem is the battery, change it (buy a new one) and it will work again.

SOURCE: password for my ipaQ 614c

how do I unlock a hp ipaq 614 business navigator

SOURCE: fail to unlock the smartphone

Unlocking your iPAQ
Follow either of these steps to unlock your HP iPAQ.

1.Tap Start > Settings > Personal > Lock .

2.Clear the Prompt if device unused for check box.

NOTE:

In case of a Strong alphanumeric password type, type your password using the on-screen keyboard.

In case of a Simple PIN password type, type your password using the on-screen numeric keypad.


Troubleshooting tip
Device fails to unlock
While using the iPAQ, if you have the following issues:


Device is locked

Password fails to unlock the device

Then, reset the device.
For information on resetting the device, check the document - HP iPAQ 600 Business Navigator Series - Resetting Your Device on www.hp.com/support .




Changing the SIM PIN
For security purposes, the SIM personal identification number (PIN) protects your iPAQ against unauthorized access. You can assign a password to protect your device and information. Your first PIN comes from your wireless service provider.
Follow these steps to change the SIM PIN:

Press the (Answer/Send) key. Tap Menu > Options .

NOTE: Alternatively, tap Start > Settings > Connections > Wireless Manager . Tap Menu > Phone Settings .

Under Phone, tap Change PIN .


Type your old PIN, and tap Enter .

Type and confirm your new PIN.

Tap ok .

To enter a PIN before you make calls, check Require PIN when phone is used check box.

NOTE: Emergency calls can be placed at any time, without entering a PIN.To remove the SIM PIN:

Type the PIN to access your device.

Press (Answer/Send) key on the keyboard.
.
Tap Menu > Options .

Clear the Require PIN when phone is used check box and tap ok .

SOURCE: FAIL TO UNLOCK HP iPAQ

Hello.

From HP Support:

Unlocking your iPAQ Follow either of these steps to unlock your HP iPAQ.

1. Tap Start > Settings > Personal > Lock .
2. Clear the Prompt if device unused for check box.

• In case of a Strong alphanumeric password type, type your password using the on-screen keyboard.
• In case of a Simple PIN password type, type your password using the on-screen numeric keypad.