Evaluating Environment and Process Description:

PConline evaluation room will usually receive two types of notebook computers: engineering prototypes and sales prototype. Engineering prototypes are usually not formally listed on the product, configuration, etc. are all products sold there and the formal differences between test scores for reference only, can not serve as the contrast between the machine used. Prototype, while the sales of products on the market in line with the results compared with the value. We have reviewed the article in the preamble will give a detailed description of the measured product prototypes or sales engineering prototype (under normal circumstances there is no mention of the words were selling prototype).

In order to unify the software platform, while adapting to the current tide of the mainstream operating system, notebook tests using the latest Windows Vista Ultimate SP1 English (in the past is the use of Windows XP Professional SP2 English version), with the same test platform DIY accessories. Here a question arises, if it is selling prototypes, then most likely destroyed the hard drive information, such as pre-installed operating systems and backup information, etc., so evaluation engineers, but also should first dismantle the hard disk out of the entire hard drive to do Ghost image backup , complete re-evaluation after full recovery (so it is still engineering sample of the more popular evaluation engineer). In addition, in order to simulate the use of laptop computer users real-time environment, the laptop will be sent to test all the hardware drivers installed, install the relevant software vendor’s unique, of course, when necessary, will be marked with all the software and driver patches .

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If your mobile phones, digital cameras, notebook computers are unexpected watered, and this time you should never panic, immediately shut down the running of electronic equipment, and remove the battery, CD, SIM cards, memory cards, etc., if it is notebook computers , you’d better take out any removable things (especially the water part), and then the water dried.

Drain water, the following methods:

1, the use of desiccant, desiccant can siphon off water vapor and liquid. The bag of silica gel and the splashing of water into the electronic equipment at the same time sealing the mouth of the bag. Only without the used bags of silica gel to be effective – have been used not achieve much of a role. The silica replaced the ordinary uncooked rice and even salt can also be simply to ensure that they do not enter into the electronic devices (you can use tissue paper to wrap electronic equipment).

2, using 99% concentration of alcohol absorption. You can complete a wet electronic equipment dipped alcohol (using 99% rubbing alcohol concentration, rather than the ordinary 70% concentration of alcohol), you can suck the water out, to ensure that action must be quick, because alcohol may damage some some plastic products.

3, using heat to evaporate the liquid. The electronic equipment in the car dashboard to place a period of time (temperature shall not exceed 150 degrees Fahrenheit), can also splash the water into the oven where the equipment, the temperature not higher than 150 degrees Fahrenheit, throw in a period of time, if it is cell phone into the water, you can put it in your trouser pocket inside cover their dry, you can also use the hair dryer (temperature shall not exceed 150 degrees Fahrenheit), remember to follow any of the above methods before, we must remove the battery.

4, if the electronic device is a keyboard, and turned it over a period of time, perhaps the liquid can flow from the inside out.

5, if the laptop computers or mobile phones, splashing into the viscous liquid (such as soda water), then after drying also need to clean them is: to splash the liquid dismantling of equipment, with a 99% dip the cotton swab brush rubbing alcohol concentration scrub – otherwise, electronic products, probably because of residual goo and short-circuit.

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Experts teach you laptop battery repair method
First, why should fix laptop battery?

When the laptop battery without being used for a long time, or just maintenance, it need to have self-reply process, also known as calibration or self-learning process.

Because of his way of charging and discharging of the way or a curve, there will be a certain amount of cheap,therefore, the need for a truly finished a few full discharge cycle of steps to correct the situation or club the way the repair of charging and discharging of the square

Type of course, here, want to clarify is that your laptop battery is not an aging, if the laptop battery aging, and Oh, that would basically only be a change in the.
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Concrete repair steps:

1. Setting
If the laptop battery should repair to the best state (no aging batteries), this is the most important place. Therefore, we should pay attention to.
(1) Open My Computer, Control Panel, Power Options Power use of the program, the use of batteries that
Full-time parameters entry named “never”.

(2) to alert that the project hook removed,
This is done to the battery when the laptop down to how many per cent when the program will not be executed.Laptop battery power to run a true After completion,there is no remaining power interference.

Charge-discharge description of specific steps:

In doing the above settings, On the full release in accordance with the principle of end to the battery charge and discharge, and laptop battery recall that bought back the activation steps,and my last time writing notebook battery is fully charge and discharge Gonglue do?
In accordance with that principle to the battery charge and discharge back and forth three times.

Be able to offset the curve of the battery to correct the fix coming.

Static electricity generation and trigger is a natural phenomenon, we can not be completely eliminated, but as long as usually more careful, it can be avoided. To deal with static electricity, we can take the “anti” and “release” hands. “Defense”, we should try to use cotton clothing and home accessories products, as the fabric, try to avoid the use of chemical fiber carpets and a plastic as the surface material of the furniture, in order to prevent friction electrification. “Release” is to increase the humidity, so that localized electrostatic easy to release. When you use a computer before, you should immediately wash their hands face, on the one hand to maintain a healthy, while also allows the electrostatic charge on the surface of the skin to release the water out. In the winter, we should try to use a high moisturizing cosmetics. Common humidifier. Some people like the indoor rearing ornamental fish and daffodils are also regulating indoor humidity a good way. The daily use of desktop computers and laptops, there are a few tips to note:

A notebook to make use of an external power supply

We know that the laptop will have in the course of currents, these currents can not be released if there is no conductor contact, if the encounter with the static electricity produced by the body, it will generate electrostatic discharge, resulting in blue screen, crashes. In view of this situation, it is recommended to use an external power supply, laptop power adapter three phase plug at the same time maintain a good grounding. Not only can effectively prevent the leakage, but also can prevent the accumulation of static electricity.

2, access to computers before discharge

Due to environmental dry friction, the body has accumulated a large number of charge, often in contact with notebook notebook damage caused instantaneous discharge occurred. Therefore uncertain whether the electrostatic accumulation of the body, first after the release of the body static electricity using a laptop. With the books before, it is best to wash your hands, water well to eliminate static electricity, especially in motion a long time (sports events to make clothes and friction, resulting in a large number of static electricity), after; if too lazy to wash your hands, then take a look around there is no ground metal objects can also have contact with both hands effectively eliminate static electricity. Also to be noted that as far as possible not to touch the books by hand directly connected with the internal circuit elements, particularly the interface, in the next, when particular attention to USB.

3, on a regular basis to the computer clean, efficient addition to static electricity

On a regular basis to the computer to do thorough cleaning, you can effectively reduce the accumulation of dust, while you can use anti-static cleaning materials for cleaning, to help reduce the accumulation of static electricity. Baxter clean your computer cleaning of the three detergents, all contain anti-static formula, can effectively play a protective effect, reducing static electricity, to protect the computer role.

How to deal with static electricity after a fault occurs

Notebook for everyday use, the most common are contact discharge, leading to a normal laptop can not boot. If this situation occurs, you can remove the battery after the elimination of its own static, unplug laptop power adapter, notebook and put it aside for half an hour’s time. Again after a separate access to the power adapter, generally can be a normal boot. If you still can not boot, or the repeated occurrence of the phenomenon of static electricity caused not boot and should be sent to notebook manufacturers to conduct a comprehensive inspection office, if necessary, some parts may need to be replaced.

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1, Concept of ACPI

ACPI: Advanced Configuration and Power Interface

There are several modes of ACPI:

S0 to normal.
S1 CPU to stop working.
S2 CPU shut down.
In addition to memory outside the S3 components are to stop working.
S4 memory write information to disk, all the parts stop working.
S5 closed.

ACPI power management mode to use hardware and software requirements can be fully supports the ACPI function.

If you encounter problems in use, you can try to upgrade the latest Acpi.sys file.

In addition, the hardware of the ACPI support is essential. Chassis power supply 5 volts to the motherboard at the same time, we must make current stabilized at more than 720 milliamperes to be able to make a computer in a short time from the “sleep” state wakes up.

The program can be achieved by selecting the power supply power management, power management program is the computer power on the use of a group of settings. Windows2000 provides the following three kinds of preset power management program (always open, portable / laptop, home / office desktop), the user can also set up their own computer into standby mode or turn off the hard drive and monitor the waiting time required.

2, ACPI and APM Comparison

APM 1.0 & 1.1: the implementation by the BIOS Power Management;

APM 1.2: operating system, the definition of power management time from the BIOS is responsible for implementation;

ACPI: BIOS collection of hardware information, define power management solutions; by the operating system responsible for the implementation.

APM is a software solution, therefore, with the operating system-related, but ACPI is an industry standard, including software and hardware specifications.

1) How to determine the system is in S1 or S3 mode?

A: The S1 sleep mode, ACPI, only the CPU to stop working, other equipment are still in power-up state. The S3 in the ACPI mode (BIOS-> Power Management -> Suspend to RAM set to Enable, among other equipment are situated outside the memory power-down state. Therefore, to determine the system is in S1 or S3 mode mode The easiest way is to carefully observation system situation: In the S3 state, all the equipment to stop working, even if the pop-up button on the drive can not open the drive door. In the S1 state, optical drive door is open. In addition, S3 mode, the system is completely quiet , all the fans are stopped. At this point system can not wake up from the keyboard. manual method can only be awakened by the power button on the front panel.

2) To achieve STR, so why not cut off the power after shutdown?

Answer: STR function is turned off, it will be the operation of the system information stored in memory, the next boot directly read the memory information, and return to pre-shutdown state. Its advantage is to start very fast, and can keep working condition. The disadvantage is that, even after shutdown, we can not disconnect the computer power supply. Because the data in memory will be lost once the power cut off.

3) In the closing Win2000, display “now safe to shut down” instead of automatically close ATX power supply, how should I do?

Answer: can try the following approach: choose “Settings / Control Panel / Power Options / Advanced Power Management”, if the machine supports advanced power management, then select the “Enable Advanced Power Management Support” and then in the HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrentVersionWinlogon Mid PowerdownAfterShutdown for 1; if the machine does not support advanced power management, then, unfortunately, only in the closed system, the display “now safe to shut down?” had to manually cut off power supply.

4) does not care to “Close Windows” dialog box “Let the computer to sleep” to the lost, and ask how to restore?

A: Generally speaking, such problems as long as the reinstall motherboard drivers, restart the future should be able to solve the problem, you can also “Control Panel / System / Device Manager” in the “Advanced Power Management support” deleted, and then Reboot the machine, according to Windows2000 system can also be prompted to re-install solve the problem.

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When Winton Cerf told the Chinese audience, future astronauts could comunicate  online in the spacecraft through Google-developed system, we mistakenly thought that this “Father of the Internet” in delight in talking about his new science fiction. But he made it clear that this is not a joke – yesterday, in the “Internet – the Future” Summit Forum, Google Vice President Vinton Cerf said, Google plans to be achieved by 2019 interstellar network of interactions between the spacecraft.

For network signal transmission in the universe may encounter obstacles, Winton Cerf said that the solar shading panels will effectively prevent part of the planet’s temperature is too high due to the situation affecting the signal strength.

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Test results show that the majority of  laptop batteries sold on some online shop mark virtual standard capacity,  it’s not a actual capacity. Some businesses sells such batteries at low prices on the website or ebay , and mark  a high capacity to attract customers.

As you know the most important factor to measure the performance of  laptop battery, the first is if the new battery is full charge, and the second is whether the discharge remained stable. The survey found that the actual charge capacity of  the many batteries is deficient, is very easy to leakage, and contamination laptop battery pack.

Many business pretend that their batteries are high capacity and sell with low price to lure consumers to purchase from their shop, but in facet the quality and safety of these products there is no way to guarantee.

Hunt360 remind all the clients that the CE, UL, and ISO9001/9002 certifications are  needed to check on their website, or you can require the business to offer these certifications with the battery shipped together. Hunt360 guarantee that all the products sold on hunt360.net and hunt360.co.uk have passed strict quality assurance procedures such as CE, UL, and ISO9001/9002 certifications. Please check this by this link: http://www.hunt360.net/aboutus.htm

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Google phone which will be released next year in January, and according to the latest Reuters news agency reports that Google will sell its own brand Nexus One mobile phone through the Deutsche Telekom subsidiary T-Mobile USA , consumers can purchase it with discounted price  by the T-Mobile service agreement.

As  the Google brand mobile phone which named “Nexus One”  is exposed, people have given the phone a great look, especially the debut of this Google Phone  is full of curiosity to many people. Although Google officials tight-lipped about this, or even unwilling to acknowledge the existence of its brand mobile phones, but the vast supernatural powers or in the foreign media recently revealed this real Google branded mobile phone Nexus One of the real machine real photos, allow people the review this Google  mobile phones at first time.

The phone will be thinner than Apple’s iPhone, and will be produced by HTC foundry. Its body is only 11.7 millimeters thick, and also incorporates quite a powerful configuration. 3.7-inch WVGA resolution capacitive touch screen, not only support 480 × 800 pixel high-resolution and multi-touch features, but also uses AMOLED material, will have the visual wide angle to show the advantages of good effect, while providing better battery life.

A 500 megapixel camera with autofocus is built-in at the back, support digital zoom and other functions, and also provides a 720P high-definition video capture capabilities.Equipped with the Android 2.1 version of the operating system and has a 1GHz processor, the Qualcomm Snapdragon.

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Studio 17 Touch,  the first touchscreen notebook of Dell today quietly slipped out. This news of the release was barely spoken in a whisper. No need to be bashful, Dell, we know you’ve been going a little touchscreen crazy recently and we commend you on your fervent multitouch mission. Dell’s new 17-inch system adds multi-touch input and carries the company’s own suite of touch apps.

Opting for the touchscreen edition with the price at $899 and starts off with a 2.1GHz Pentium dual-core, 3GB of RAM, a 250GB hard disk and Intel graphics.

Here are some main features of the Dell Studio 17 Touch:

• Genuine Windows 7 Home Premium, 64bit, English
• Intel Pentium Dual Core T4300 (2.1GHz/800Mhz FSB/1MB cache)
• 1Yr Ltd Warranty and Mail-In Service
• 17.3” HD+ (900p) LED Display with TrueLife™, Camera/Facial Recognition SW & MultiTouch
• 3GB Shared Dual Channel DDR3 at 1066MHz
• 250GB SATA Hard Drive (5400RPM)
• Intel Graphics Media Accelerator 4500MHD
• 8X Slot Load CD/DVD Burner (Dual Layer DVD+/-R Drive)
• 56 Whr Lithium Ion Battery (6 cell)
• Dell Wireless 1397 802.11g Half Mini-Card
• High Definition Audio 2.0
• Dell Online Backup 2GB for 1 year
• Touch Software

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Fault Case 1:

COMPAQ 1800 can not enter the OS when it’s start up, just alarms and it sounds like “Didi”.  In this case, open the memory slot, replacing memory, troubleshooting.

Fault Case 2:

SONY GR250 boot in DOS mode, there are blue color cross-stripes.  After entering Windows2000 System failure remains the same, external CRT and LCD monitors display the same phenomenon.  And often crash.  At this case, unplug the graphics board and re-inserted (this model graphics board and the board is separate from the slot through the cellular connection), forced the board pressed uniform, troubleshooting.  This phenomenon is caused by poor contact Huaping cards, laptops for this phenomenon is usually needed to do the display chip BGA soldering.

Fault Case 3:

When the COMPAQ N800V is running for some time, the system automatically re-starting again, touch the bottom of the laptop, it’s hot.  Open the machine inside and power-examination, CPU fan is turning, but it’s slower than usual, it’s high temperature if you touch the U radiator when your laptop enter the Operation System, and the fan is still very slow.  Slow fan speed can not be promptly put the heat emitted, leading to CPU temperature is too high and repeated re-starting.  Replace the CPU fan troubleshooting.

Failure Case 4:

Press the SONY GRX700 power switch but nothing happens, insert the power adapter, the battery charge indicator light do not response.  Disassemble and measuring DC-DC voltage and they are normal, the boot voltage is 3V, To-ground voltage is 0V.  This case can be judged as BIOS protection fault, it need to unplug the BIOS backup battery, shorted connect the two pins for 1 ~ 3 seconds.  And then install the backup battery, start testing, troubleshooting.

Failure Case 5:

SONY GR100 boot normally, the screen backlight is flashing after a period of time running. It may be caused by  LCD screen backlight high-pressure plate performance instability. Just to replace a backlight Inverter, troubleshooting.

Failure Case 6:

Lenovo E200C boot, and then crash after the icon appears.  Disassemble and replace the BIOS chip, or to re-brush and write the new procedures.  Such failures are mostly caused by damage of BIOS, the host can not be completed self-test.

Failure Case 7:

COMPAQ X1000 can not enter the system, re-formatted the hard disk to install the new system but still can not enter the system.  With the FORMAT command to format the hard disk that there was no bad sectors.  After replacing a hard disk installation system and troubleshooting.

Failure Case 8:

SONY 505LS boot and found half the liquid crystal display can show, the next half is black.  Like this is very clear that after the replacement of liquid crystal displays troubleshooting.  Such failure of LCD is quite difficult to repair them, needs some professional equipment can.

Failure Case 9:

IBM A21 can not charge the battery, single-plug power adapter can not boot.  With the battery can be a normal boot.  Disassemble components detected in the power adapter into mouth Sealing-off, repair welding after troubleshooting.

Failure Case 10:

IBM R32 no boot after the LCD display, but the power and hard disk light is working correctly.  External display shows normal.  Suspected of LCD data lines damaged, replace the LCD data lines remain after the failure.  Replacement of LCD monitors, troubleshooting.  Such failures are mostly LCD damage.  If you are unsure, you can replace the LCD monitor to detect liquid crystal display good or bad.

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