Jeudi 14 avril 2011

Some of the early Dell Laptops did in fact explode on the table

Almost any Computer Laptop Battery is manufactured with Lithium Ion Cells. Dell INSPIRON 2600 Battery, Lithium Ion can be very dangerous when treated improperly however has a lot of advantages over other Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} HP Pavilion DV6700 adapter HP Pavilion Dv9000 adaptertypes of Batteries. Some of the early Dell Laptops did in fact explode on the table while idling and thank goodness nobody got hurt. Due to this fact all Lithium Ion Battery manufacturer have implemented a safety circuitry that prevents the computer from overcharging the Battery Pack and monitors contantly the state and condition of the pack. There are also many temperature sensors built into the Battery Pack to shut off the charge current when a certain temperature is reached. Most importantly is that the end of life is actually not determined by the computer or any other Software that monitors the condition of the battery.Dell INSPIRON 2600 Battery, Dell INSPIRON 2650 Battery Dell Inspiron 6400 Battery, Dell Inspiron E1505 Battery All of these Software application only query the battery itself. The Batery Pack has sophisticated electronics that provides the data that is requested by an software application. I do not    Compaq Presario CQ60 battery   Compaq Presario CQ61 battery  know exactly how the Battery communication Protocol is built and what it consists of, however logically all charge cycles among other dynamic data and static data is stored at Battery pack level. My guess would be some USB / or 2 wire protocol is used to communicate with the batteries Micro circuit. The battery Packs are configured in two's i.e. one cell is made up of two single cells connected in parallel to increase the amount of stored energy per cell. In many cases a battery pack is made up of 8 cells where two cells of them are configured in parallel and those in series. Four of these battery cells will nominally produce a Voltage of 4*3 Volt = 12 Volt. In reality the individual cell packs are higher at around 3.7V * 4 = 14.8V or higher. The controller circuit measures each pack i.e. 3.7 V for the first two cells, 7.4 V for the second two cells, 11.1 V for the third two cells and 14.8V for the last two cell pack. In this way the Micro can determine if any of the two cells are defective and act accordingly, mostly does not allow any charging anymore if found to be defective. The reason for that is if a two cell pack is short and the charger is going to force electrical current into the cell, chances are that this thing is going to blow into your face due to electro chemical reaction. The Micro would have to be smart enough to also figure out if the cell can hold the charge. Therefore they test the voltage after it peaked and then again a few minutes later to see how far the voltage dropped. If the value is within a predetermined number the HP Pavilion DV6 battery   Compaq Presario CQ40 batterybattery will allow normal usage. If not, for safety reasons it will say buddy thats it! These multi cell Battery packs require a tremendous high quality standard. It is common that in this configuration, if the cells are not precisely matched, to have premature fasilure. Most manufacturer do some matching, however find it too expensive to do precise matching since it takes quite some time. Time is Money!!!!!! (At a Dell Price tag of $150.00 or more one could expect a little more!)
One can of course theorize that some smart marketing dude would take this fact to the companies advantage, however I believe that it is primarily a Safety issue and the fact that the legal proceeds are far more costly to the manufacturer, Dell INSPIRON 2650 Battery, if something blows up so they make the battery intelligent.
If for example one of the eight cells has developed a defect and this can happen very quickly if a cell gets overheated several times (Lithium Ion is very sensitive to heat), the total battery pack voltage drops by a few hundred millivolt in a favorable case. In this case the battery indicator will flash in a weird way, but the manufacturer usually fails to document this visual feedback and leaves us in the dark. The only thing we can do, is guess. Laptop computer don't need the full battery voltage to operate properly and I would guess they will still work down to 8 Volt battery voltage.Dell INSPIRON 2600 Battery, Dell INSPIRON 2650 Battery Dell Inspiron 6400 Battery, Dell Inspiron E1505 Battery Most mondern Voltage Regulator need only between 1.4 to 3 Volt higher input to regulate and stabelize the operating voltage of the computer circuitry. This is why your computer will still work even if there is a cell or two defective however will not hold a charge for very long since internally the good cells try to level out the defective once. Again, for safety reasons the Micro Controller on the Battery end might decide that it is not safe to allow a charge and the pack is declared to be dead.
The only way to bypass this condition, is to manipulate the data that the Battery has collected over time. I can imagine that it is possible to access permanent memory storage devices inside the battery and change certain data cells. This sounds easy, but requires the knowledge of the Hardware and Firmware used in the Batteries Control circuit. It would be much Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} SONY VGP-BPS13 Battery   HP Pavilion DV4 battery   HP Pavilion DV5 battery   easier to find a Battery supplier on the Internet and (I am sorry to say) flip the bill for an after market battery pack that may be reasonably priced.
Pheww, I wish I could have said the above in a one liner, but the subject is far to complex to just do that
Par combattery84 - 0 commentaire(s)le 14 avril 2011

How long does it take for a laptop battery to charge?

A: When using a laptop as a desktop replacement laptop batteries should not be left in for long periods of time. The laptop will over time discharge the battery. Remove the laptop battery – making sure that it is charged to 40% and store it in a dry, warm place. Ensure that it is wrapped protectively and nothing will be dropped on it.

The laptop battery should be re-installed every 3-4 weeks and allowed to fully discharge. Leaving a laptop battery in storage for longer than this without using could cause the laptop battery to fully discharge as the circuitry of the battery itself consumes po Battery Dell Battery

Leaving a battery in a laptop while using an electrical outlet for long periods of time will keep the battery in a constant state of charging up and that will reduce the life cycle of the laptop battery.

Remember that when you have removed the battery from a laptop while using with an electrical outlet – the automatic battery backup is no longer functional HP Pavilion DV4 battery HP Pavilion DV5 battery HP Pavilion DV6 battery Compaq Presario CQ40 battery Make sure to plug your laptop into an uninterrupted power source (UPS) not directly into an outlet or surge protector.

2. How long does it take for a laptop battery to charge?

For your first use you must fully drain the laptop battery until the laptop goes into hibernation. After that plug in your charger and allow it charge for 12 hours or depending on what the technician has told you. 12 hours is the max and you can use it while charging.

Especilly for the camera lithium-ion battery, once the power state in zero, then the battery protection circuit starts. Some manufacturers battery (as Sony) cut off the main circuit inside, then the battery locked. Fifth, when a battery not in use for long time, Dell Inspiron 710m Battery, Dell F5136 Battery, Dell 312-0306 Battery, Dell 312-0305 Battery the Sony VGP-BPS8A VGP-BPS9/Blaptop battery should be stored at low temperature, dry environment, away from heat, do not placed in direct sunlight areas. Generally considered, it should be charging to about 40% of the electricity and store at 10 to 30 degrees Celsius temperatures. Do not forget charge the battery every six months or so. Apple a1185 battery Sixth, when the laptop in hibernate mode but the VGP- BPS9 Sony VGP-BPS9A/B battery is in working state, so you had better turn off the computer when not using.
In addition, if your laptop has Bluetooth, or wireless capabilities, it is best to turn off when not in use these features, as they search for available networks is also to be power-hungry. Hopes that help you.
If you are looking for the best brand new laptop batteries at the most preferred priceASUS Eee PC Battery Sony VGP-BPS8 Battery HP EliteBook 6930p Battery you have come to the right place. We provide the highest quality Battery at the lowest price with the highest level of service, all in a secure and convenient platform.

there are some common question usually buyer wanto to know:

1 . Should I Remove the Laptop Battery For A Desktop Replacement Laptop?

Q: I have a laptop at home which I use as a desktop replacement. As such, 99% of the time the laptop is being used when it is plugged in. I wonder if I should remove the battery so that it is not permanently being charged, or does the laptop cut off the current to the battery once it is fully charged? I do unplug the laptop when I turn it off.

Par combattery84 - 0 commentaire(s)le 14 avril 2011

how to do if water ripples on the screen monitor!

water ripples on the screen monitor!

FAQ: carefully check the computer around (one meter or less) if there is interference, such as refrigerators, electric fans, hair dryer, uninterruptible power supplies, regulators, fluorescent and other equipment with a magnetic field, if there are two computer monitors by very close (within one meter), two computers also make it appear on the display water ripple interference. Approach is that the device will have interference away from the computer side. If the problem is not resolved, it should be with the seven-computer service center.
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◎ display the words on the screen is too dark!

Questions: This could be the brightness control is set incorrectly Suozhi. Solution is to adjust the brightness control until the text can be clearly displayed. Monitor may also be damaged. If the problem is not resolved, it should be with the seven-computer service center.

 

◎ how to replace the display mode, displays a black screen?

FAQ: Sometimes a lot of software requirements need to be replaced on the display mode, such as switching from the 640 × 480 to 800 × 600, but suddenly the screen goes black after cutting and can not be restored, even restart the computer as well. The cause of the problem sometimes is because the monitor and graphics card refresh rate do not match. Solve the solution is to first restart the computer appears to be bottom of the screen "Starting Windows", press F8, choose the third "Safe mode" safe mode boot into Windows, run: Start - Settings - Control Panel - Display - Settings - Advanced Properties - refresh rate, the refresh rate from "unknown" to "Adapter Default" setting to restart the computer after work.

 

My computer is running a number of programs, images or text how Huaping Western phenomenon?

FAQ: seven-display system in the development process of a large number of applications through rigorous compatibility testing, but even so, there may still be a very small amount of application software compatibility problems, such as image Huaping, character Huaping, system dead lock and so on. Mainly due to a number of DOS or even Windows programs used in the development of a number of direct screen writing for specific graphics cards and other non-standard technology, especially in some DOS applications. For this problem, we recommend that you find these programs in the latest Windows version.

 

◎ computer suddenly can not start!
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FAQ: It may be due to vibration during transport computer memory and the motherboard is bad leaving Suozhi; can also be caused due to the user to replace or upgrade the memory, mainly because the memory used is not compatible with your computer. We recommend that you upgrade your computer, the computer professional advice or with the seven-computer service center.

 

 

◎ memory when running the program prompts!

FAQ: This is mainly because some applications in the allocation of memory error caused by this situation. The solution is to try not to run a similar program, or close the current running programs you do not need to free up more memory resources.

 

◎ silent after installing the sound driver!

Questions: the first sound card driver installed, you will need to restart your computer before they can be twice the normal sound.

  

◎ Play CD music silent

Questions: You need to "Start - Settings - Control Panel - Multimedia-CD Music" setting interface will be "in the CD-ROM device to enable digital audio" option turned on.

 

◎ computer suddenly silent!
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FAQ: carefully check the speaker cable to the host is connected correctly. Check whether the audio channel is muted. Double-click the Windows task bar is on the speaker icon in the lower right corner to open the Windows volume control program, see whether the channel mute function is turned on. If you are muted, the mute function is canceled. Check whether the volume of the sound channel is to the minimum, and if so, adjust the volume to a suitable size.

 

◎ connected to the microphone, screaming after

FAQ: This is because each input channel chip open-circuit may cause a positive feedback loop arising from the excited screams, we recommend that you gain the recording (Rec Gain) and microphone volume (Mon) to adjust to a more modest location and not too large. In addition, Windows itself has audio mixer control, and it can mask some of the sound card carried by the software control functions. Therefore, the control of various sound signals should be mixed on the Windows task bar controls prevail.
Par combattery84 - 0 commentaire(s)le 14 avril 2011

Do not use alcohol or detergent wipe the display screen

5. Do not move the computer main chassis work or subject it to shock and vibration, for the hard drive is this is a very dangerous action.AC adapter laptop keyboard
6. Can not read the disk drive when sudden shutdown or power outages. If the voltage instability or frequent power outages, you can purchase to deal with UPS.
7. Environment, dry conditions, should be wary of the influence of static on computer accessories. For now your direct contact with the circuit board, first on the self-discharge (for example, to feel the water pipes, etc.) or take other insulation measures (eg: wear gloves, grounding).
8. Do not accessories or interface plug in the power of the state (except for hot-swappable device), otherwise, may cause chip or circuit board burn-related serious consequences.
9. Should periodically power, drive, floppy drive, internal chassis, monitor, keyboard, mouse, dust, etc.. If inconvenient to handle, it can be done in the expertise. But you should know there are high-voltage circuit monitor, not reckless.
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10. Do not use alcohol or detergent wipe the display screen, and if necessary you can use water, but water must be adsorbed on the paper towel or cloth on top, not let water flow into the inside of any accessories.
11. Do not switch frequently, and each switch should be a short interval of time.
12. Chassis screws can not be mixed with other conductors, or very likely to cause short-circuit boards within the chassis, resulting in serious consequences.
13. Should also keep a variety of boards and peripherals, computer CD-ROM and manual-driven, especially in the motherboard manual.
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14. Do not use continuously for a long time to drive, such as listening to music, watching DVDs and so on. You can song disc, such as copying the DVD onto the hard disk appreciate.
15. Not been used for computer case, it is recommended that you regularly switched about to get rid of the moisture within.
Par combattery84 - 0 commentaire(s)le 14 avril 2011

notebook computer manufacturers will be covered by the fan, heat duct , a large heat sink,

Liquid crystal display screen (LCD Panel)

  
* When not using the computer, through the function keys on the keyboard LCD screen only temporarily turned off, in addition to saving electricity can also be extended outside the screen life.
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* Do not force the screen above the LCD screen lid or place any foreign body between the keyboard and display screen to avoid the glass above the internal components due to damage caused by stress.

  
* Do not use fingernails and sharp objects (matter) touch screen to avoid scratching the surface.

  
* LCD screen surface adsorption due to electrostatic and dust, the proposed purchase of liquid crystal display screen, special cleaning cloth to clean your screen, do not shoot except with your fingers to avoid leaving fingerprints, and gently wipe.

  
* Do not use chemical cleaning agents wipe the screen.

Batteries (Battery)

  
* When the case of no external power supply, if the working conditions at the time slot being less than PCMCIA cards, it is recommended to remove the card first to extend battery life.

  
* Room temperature (20-30 degrees) for optimum working temperature battery, the temperature is too high or too low, the operating environment will reduce the battery time.
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* Can provide a stable power supply in the environment using a laptop computer, remove the battery for extended battery life is not right by. On Asus notebooks, when fully charged battery, the battery charging circuit will automatically shut down, so the phenomenon of overcharging does not occur.

  
* It is recommended to conduct a three-month average battery power correction action.

  
* Power Adapter (AC Adapter) when used with reference to international voltage that "

Keyboard (Keyboard)

  
* Accumulation of dust, use a small brush to clean the cracks, or use the camera lens is usually in high-pressure jet cleaning tank, blowing the dust, or use a handheld vacuum cleaner to remove dust and debris on the keyboard.

  
* Clean the surface can be coated with a soft cloth with a little cleaner, in the case of gently wipe off the keyboard surface.
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* As far as possible in a stable condition, to avoid shaking the place in an easily operate the computer.

  
* Switch process is most vulnerable when the hard disk. At this point the hard disk speed bearings has not yet stable, if vibration, can easily cause a bad track. It is suggested that, after waiting for about ten seconds or so off and then move the laptop.

  
* Once per month and re-scan the disk to improve disk access efficiency.
Par combattery84 - 0 commentaire(s)le 14 avril 2011
Mercredi 13 avril 2011

Good personal habits a great impact on the computer

How to care and protect a computer, the maximum extension of its service life, is we are very concerned about the topic. Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Laptop ac adapter AC adapter

Routine maintenance can not relax

Life of the computer environment can not be ignored. PC is the ideal working temperature 10 ℃ -30 ℃, too high or too low will affect the life of computer accessories. The relative humidity is 30% -80% too high will affect the CPU, graphics and other performance parts to play, and even cause some parts of the circuit;

Too easy to produce static electricity, the same disadvantage of the use of accessories. In addition, the air of dust content on the computer as well. Too much dust, corrosion will be the constant, daily accessories, chips, circuit boards; content is too small, will produce a static reaction. Therefore, the computer room is best to keep clean and tidy.

Some people think that a small number of computers or use a short time, you can extend the life of the computer, which is one-sided and ambiguous point of view; the contrary, no computer for a long time, due to moisture or dust, perspiration and other factors, may cause damage to computer accessories. Of course, if the weather is wet to a certain extent, such as:
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Display or chassis surface moisture, drying time must not give the machine is not powered, so as to avoid unnecessary losses caused by short circuit.

Good personal habits a great impact on the computer. So let us carry on and off the right order. Boot order is: first, peripherals (such as printers, scanners, UPS power supply, Modem, etc.), monitor power is not connected with the host, but also the first turn on the monitor power off and then open the host; off the opposite order: first off the host , then close the peripherals. The reason is that as much as possible to reduce the damage to the host. Because the host power, close the peripheral of the moment, will have a strong impact on the current host. Off after a period of time, not frequently open, shut down, because a big impact on all parts, especially the more serious damage to the hard drive. The next general shutdown from the start time should be at least 10 seconds. Special attention when the computer work, shut down operations should be avoided. Such as: reading and writing data, the computer is suddenly shut down, it could damage the drive (hard disk, floppy, etc.); also can
Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} laptop battery Acer AC Adapters  not move the machine when the machine work. Shutdown, should pay attention to first leave the Windows operating system, close all programs, then exit the normal shutdown sequence, or may damage the application. Of course, even if the machine does not work, they should try to avoid moving the computer, because excessive vibration on the hard drive, motherboard components like damage.
Par combattery84 - 0 commentaire(s)le 13 avril 2011
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