Nokia C1-01 Keypad and LCD Light Problem SolutionNokia C1-01 Keypad and LCD Light Problem SolutionNokia C1-01 Keypad and LCD Light Problem Solution

Here's solution for Nokia C1-01 in troubleshooting or repairing back light failure for both LCD and keypad white LED's. The solution below shows the connection tracks of the Nokia C1-01 light circuit connection. Just analyze how the connection flows and then you may get some hints where to start in troubleshooting.

Here's some hints on how to fix Nokia C1-01 light failure problem:

1) Check the connection between the inductor coil and the VBAT 3.7V line paths.
     If this is open or cut, the LED light is lack of power supply to it. 
2) Check the inductor coil for possible damaged, this holds the current stability of the LED light replace if
    necessary.
3) Check all the connection between the Keypad white LED light and the LCD light connection from in
   between the component where it is being connected.
4. If all the connection were okay, check the transistor and diode. Replace if necessary.
5) If all above the above mention seem already been taken but seems the problem still exists. Check the LCD white light bulb LED. (there also a possibility that the LCDs backlight is damaged)

Nokia C1-01 Keypad and LCD Light Problem Solution

Nokia C1-01 Keypad and LCD Light Problem Solution

Nokia 2680s Keypad Tracks and Filter IC Jumper WaysNokia 2680s Keypad Tracks and Filter IC Jumper WaysNokia 2680s Keypad Tracks and Filter IC Jumper Ways

Here's the Nokia 2680s full keypad jumper solution, that may useful to fix and repair not working keypad on 2680 slide. The solution below shows the complete pattern of each certain keys for easy troubleshooting. This also includes the keypad filter IC solder bumps connection paths for those who are looking for this solution.

This may only works for numeric1, 2, 3, 4, 5, 6, 7, 8 ,9 ,*, 0 and # keys, the upper keypad which are connected to the flex ribbon cable is not included in this solution. However, if the upper keys doesn't respond or working , you may only need to replace the flex ribbon cable. 

Nokia 2680s Keypad Tracks and Filter IC Jumper Ways

You may trace each corresponding line paths if there is only one or two keypad keys don't work, you may also ensure that the PCB board is cleaned.
There is one filter IC mounted near the pin connector, you may then try to replace this chip if mostly all the keys isn't working or responding.
For *, 0 and # keys, you may check and replace the filter coils where those keys are being connected. Hope this help solve and repair Nokia 2680 slide keypad problems.

Symphony D55 China Battery Connector Ways

Symphony D55 China Battery Connector Ways 

How To Remove Bios Password

How To Remove Bios Password

There are many different ways to remove the BIOS Password

You may have forgotten the password of your BIOS or you never knew it, whatever may be the case is. Sometimes it becomes necessary to access the BIOS to change system settings.

The simplest way to remove the BIOS password is to remove the CMOS battery for few seconds.A computer uses this battery to remember its settings and date & time when your computer is turned off. The CMOS battery is the reason why you always get the correct date and time whenever you restart your PC.

When you remove it from your CPU the computer will forget all the settings which includes BIOS password too. So to reset/ remove your BIOS password you just have to remove this battery once and then put it back after few seconds.

If you don’t know how to do this or if you are not familiar with computer hardware & stuff then you can try using this software - PC CMOS Cleaner .

PC CMOS Cleaner is an easy-to-use tool to recover, delete, decode and display the superior passwords stored in BIOS whatever the brand is. Most types of BIOS are supported. It’s an bootable CD that runs on x86 and x86_64 computers. No need to pay expensive fees to experts.

It’s a useful tool for users to get their lost BIOS password back, or clean passwords from anold computer bought from others.The download file is an iso file so first you have to burn it on a cd and then boot from that cd to recover your BIOS password.

Click this link download this tool :-

Download PC CMOS Cleaner

QMobile E950-Full Pc Suite-CD.ISO

QMobile E950-Full Pc Suite-CD.ISO

QMobile E950-Full Pc Suite-CD.ISO

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Nokia 2680S On-off key failure solution Nokia 2680S On-off key failure solution Nokia 2680S On-off key failure solution

This solution may help fix Nokia 2680 slide On off key malfunction.
Note this solution can be applied if the flex cable is working okay or having tried replacing a new one but the on off key won't work and it shows charging indication on the LCD display when the battery charger is plug-in.

Nokia 2680S On-off key failure solution

From the keypad pin connector there is a resistor that has a 0 ohms resistance value. You may need to check this resistor if open, replacing it or shorting it may fix the problem
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Nasaki B2, B1, B8, J5700, Q9, Q10, Xcell X5000, Boom B33 Insert SIM Solution

Nasaki B2, B1, B8, J5700, Q9, Q10, Xcell X5000, Boom B33 Insert SIM Solution