Solutions to common mobile phone problems

SOLUTIONS to  COMMON CELL PHONE PROBLEMS.

If cell phone fails to power on:

 i. Check on/off switch
ii. Check battery voltage.
iii.Check if it can charge.
iv. Bad power IC.
v. Do cross connection by using computer software to 
flash it.

Keypad problem:

 i. Clean the keypad interface of the circuit board.
ii. Check if there is continuity on the interface.
iii. Replace the key with know working one of same make and model.
Phone not charging:i. Confirm is working by reading output voltage with meter.
ii. Check the fusible resistor and replace if broken,or charging pot.
If cell phone drops into water: i. Quickly remove the cell battery.
ii.. Dismantle the phone and allow it to dry.
iii. Use methylated spirit to clean power contact.

Blinking of screen: 

This problem could be caused by the flex of the phone, not from the main LCD. To solve this problem,change the flex.

Ways to fix your Laptop

Slow Hard Drive

Symptom:Excessive program load times, slow file transfers
 

Solution: 

Disk defragmentation

Disorganized information on your hard drive can sap performance because the computer requires more time to sift through data fragments and bad sectors on the drive. This problem can be cleared up easily (but not especially quickly; defragging can sometimes take hours) using the built-in Windows tool called Disk Defragmenter. You can access this program through the Programs menu in the Accessories or System Tools folder. Simply click the Analyze button to see if your disk drive requires defragmenting, and then click Defragment to begin.

 

Other options include the free Power Defragmenter, and Diskeeper 2007 ($29.95 Home edition, $49.95 Pro, $99.95 Pro Premier), which offers more features like complete automation, real-time defragmenting, and InvisiTasking technology, which allows Diskeeper to run in the background without draining resources.

Ways to fix your laptop

Overheating

Symptom: 

Computer crashes, freezes

 

Solution: 

Clean out air vents, put filtered material over the inhalation vent, or update BIOS

Overheating can rob your laptop of performance and often cause a host of hiccups, such as system crashes and freezing. Every computer generates lots of heat, but laptops are especially susceptible to overheating due to their small size and lack of ventilation. Excessive dust can clog air vents and deprive your system of cold air to cool off the CPU. You can often solve overheating issues simply by cleaning out these air vents with a cloth or keyboard cleaner.

To prevent further dust buildup, place a piece of filtered cloth, say from a Swiffer, over the inhalation vent. Don't place one over the exhaust vent, as that's where hot air is supposed to flow out of the system quickly. If the cloth doesn't work, you may want to update your system's BIOS, which controls the laptop's hardware. Most manufacturers offer an installation file that updates BIOS files automatically, which often address heat management. Just make sure that your notebook is connected to the power supply when updating the BIOS. 

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