2016年1月27日星期三

strategy to replacing and servicing FRUs for LENOVO IdeaPad B50


LENOVO IdeaPad B50-70 14.4V 2200mAh laptop battery

Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs:
• If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue.
• Some computers have both a processor board and a system board. If you are instructed to replace either of them, and replacing one of them does not solve the problem, reinstall that board, and then replace the other one.
• If an lenovo adapter or a device consists of more than one FRU, any of the FRUs may be the cause of the error. Before replacing the adapter or device, remove the FRUs one by one to see if the symptoms change. Replace only the FRU that changed the symptoms.
Attention: The setup configuration on the LENOVO IdeaPad you are servicing may have been customized. Running Automatic Configuration may alter the settings. Note the current configuration settings (using the View Configuration option); then, when service has been completed, verify that those settings remain in effect.

2016年1月25日星期一

What can you do to make my DELL F3G33 battery last longer

DELL F3G33 11.1V 3500mAh laptop batter



Choose the right battery. Under the same use conditions, a lower capacity battery will wear out faster than a higher capacity battery because it has to be charged more often.
Use the notebook's power saving controls to reduce battery use in your normal day. For example, turn the Bluetooth off if it is not needed; reduce the screen brightness when conditions permit.
Avoid exposure to extreme temperatures. If the system is exposed to extreme cold or hot temperatures, allow it to warm up/cool down before use and before charging.
Contrary to last decades' batteries, modern lithium ion batteries do not need to be fully discharged to maintain health.
All batteries wear with use and time. When you find the runtime is no longer satisfactory, it may be time to purchase a new Dell battery.

2016年1月22日星期五

safety guildlines when working on DELL XPS 1810 Tablet CPU fan

DELL XPS 1810 Tablet 14.8V 4840mAh laptop battery

Avoid static discharge by grounding yourself using a wrist grounding strap or by touching a bare metal surface like a connector on the back of the laptop and remove all of the power including the dell battery and power adapter. 
Make sure all data is backed up before removing or replacing your hard drive. Laptop hard drives are very sensitive and can be damaged easily. Handle with care. 
Performing your own repairs may void you warranty! 
Part installations may require BIOs updates. 
After removing or replacing the CPU or heatsink make sure to replace thermal compound or thermal pads on the CPU and heatsink. 
After replacing the heatsink make sure to tighten the heatsink screws in the order listed on the heatsink.

2016年1月21日星期四

Power cord and battery information about HP EliteBook Folio 1040

The wide-range input feature of the computer permits it to operate from any line voltage from 100 to 120 volts AC, or from 220 to 240 volts AC. The length of the power cord set must be at least 1.5 m (5.0 ft) and no more than 2.0 m (6.5 ft) All power cord sets must be approved by an acceptable accredited agency responsible for evaluation in the country or region where the power cord set will be used. The power cord sets must have a minimum current capacity of 10 amps and a nominal voltage rating of 125 or 250 V AC, as required by the power system of each country or region. The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320 Standard Sheet C13 connector for mating with the appliance inlet on the back of the computer.

HP EliteBook Folio 1040 G2 11.1V 4000mAh laptop battery

Battery information:
Voltage: 11.1V
Capacity: 4000mAh (42Wh)
Battery cells: 6-cell
Chemical: Li-polymer
Battery Color: black
Condition: new original battery
Warranty: 9 months

2016年1月19日星期二

Don't panic! when you can not start sony vaio vpcsb16fg, try these:


Brand new SONY VGP-BPS24 11.1V 4400mAh laptop battery

When using your computer for the first time, make sure the computer is plugged into an AC power source. At the time of delivery, the power button or the power switch is disabled until the computer is plugged into an AC power source.
Make sure your computer is securely plugged into a power source and turned on and the power indicator light is lit.
 Make sure the battery pack is installed properly and charged.
 Disconnect all connected USB devices (if any), and then restart your computer.
 Remove all extra memory modules you may have installed since purchase, and then restart your computer.
 If your computer is plugged into a power strip or an uninterruptible power supply (UPS), make sure the power strip or UPS is plugged into a power source and turned on.
Unplug the power cord or the AC adapter, and remove the battery pack. Wait three to five minutes. Reinstall the battery pack, plug the power cord or the AC adapter, and then turn on your computer.
Condensation may cause your computer to malfunction. If this occurs, do not use the computer for at least one hour.
Check that you are using the supplied Sony power cord or AC adapter.
If you are using an external display, make sure it is plugged into a power source and turned on.












2016年1月13日星期三

maximize the life of TOSHIBA Satellite P850 battery pack


TOSHIBA Satellite P850 Series 10.8V 4200mAh laptop battery

At least once a month, disconnect the computer from a power source and operate it on battery power until the battery pack fully discharges.Before doing so, follow the steps as detailed below.

1. Turn off the computer's power.
2. Disconnect the AC adapter and turn on the computer's power - if it does not turn on then go to Step 4.
3. Operate the computer on battery power for five minutes. If you find that the toshiba battery pack has at least five minutes of operating time,continue operating until the battery pack is fully discharged, however, if the DC IN/Battery indicator flashes or there is some other warning to indicate a low battery condition, go to Step 4.
4. Connect the AC adaptor to the DC IN 19V jack of the computer, into a wall outlet that is supplying power. The DC IN/Battery indicator should glow amber to indicate that the battery pack is being charged,however, in the event that DC IN/Battery indicator does not glow this indicates that power is not being supplied - check the connections for the AC adaptor and the power cord.
5. Charge the battery pack until the DC IN/Battery indicator glows white.










2016年1月11日星期一

Electrostatic discharge damage on HP Pavilion 15

Electronic components are sensitive to electrostatic discharge (ESD). Circuit design and structure determine the degree of sensitivity. Networks built into many integrated circuits provide some protection, but in many cases, ESD contains enough power to alter device parameters or melt silicon junctions.
A discharge of static electricity from a finger or other conductor can destroy static-sensitive devices or microcircuitry. Even if the spark is neither felt nor heard, damage may have occurred.
An electronic device exposed to ESD may not be affected at all and can work perfectly throughout a normal cycle. Or the device may function normally for a while, then degrade in the internal layers, reducing its life expectancy.

HP Pavilion 15 14.8V or 15V 2800mAh laptop battery
CAUTION: To prevent damage to the HP Pavilion 15 when you are removing or installing internal components, observe these precautions:
Keep components in their electrostatic-safe containers until you are ready to install them.
Before touching an electronic component, discharge static electricity by using the guidelines described in this section.
Avoid touching pins, leads, and circuitry. Handle electronic components as little as possible.
If you remove a component, place it in an electrostatic-safe container.