This solution may help for hardware repair on Nokia C7 with not working touch screen problem. If the touch screen digitizer is broken or cracked of your Nokia C7, you may only need to replaced it with a new touch screen glass digitizer. Just look for nokia C7 disassembly guide to properly dismantle the phone.
This may help if the touch screen digitizer is not damaged or already been replaced but still it doesn't respond. Try to check out the solution below and check the highlighted components, it is the basic parts where to check or replaced.
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Check the touch screen panel assembly for possible damaged, cracked or broken. Check the touch screen flex cable, there is an IC mounted on it. managed to rework it.
If the touch screen still doesn't work, check the pin connector, clean if oxidized. Check or replace the resistors coils and capacitors.
This may help if the touch screen digitizer is not damaged or already been replaced but still it doesn't respond. Try to check out the solution below and check the highlighted components, it is the basic parts where to check or replaced.
Nokia C7 Touch Screen Problem Solution
Check the touch screen panel assembly for possible damaged, cracked or broken. Check the touch screen flex cable, there is an IC mounted on it. managed to rework it.
If the touch screen still doesn't work, check the pin connector, clean if oxidized. Check or replace the resistors coils and capacitors.
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