Friday, June 24, 2011

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Wednesday, December 15, 2010

Christmas Coupons


Merry Christmas!


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Tuesday, September 14, 2010

HP 530 laptop charging problem, How to solve it?

HP 530 laptop charging problem?

(this issue is copied from http://uk.answers.yahoo.com/question/index?qid=20100904062545AA0iWJ1 )

My fiance has a
HP 530, it started randomly switching off, I noted that it did this when the battery lost all charge and it didn't seem to be charging when plugged into mains. Despite the charge light being on and the battery icon on the system tray showing the laptop as charging.

So I assumed the battery was probably faulty and had lost the ability to hold a charge. Bought a new
battery for HP 530 and the laptop showed it had 62% charge left decided to top it up to 100% so plugged in the charger. Despite the laptop saying that it was now charging the battery level dropped until it reached zero and the laptop switched itself off.

Due to this I don't think the battery is the issue, unless the brand new one happens also to be faulty. Also the charger is new since we recently broke the original so power from the mains should be being delivered to the laptop.

This leads me to suspect that the charging circuit inside the laptop is faulty. Does anyone know if the charging circuit is a seperate component inside the HP 530 that can be replaced or is it intergrated into the motherboard? For the cost of a new mobo I may as well buy a new laptop but if its a cheaper componant I would be more interested. I should state that I'm a professional IT technician so actualy carrying out any repairs doesn't bother me.


(Some Battery Tips from www.laptop-battery.org/batterytips.html)

How to charge your new replacement laptop battery?
Your new hp 530 laptop battery comes in a discharged condition and must be charged before use (refer to your computer manual for charging instructions). Upon initial use (or after a prolonged storage period) the battery may require two to three charge/discharge cycles before achieving maximum capacity.

When charging the laptop battery for the first time your computer may indicate that charging is complete after just 10 or 15 minutes. This is a normal phenomenon with rechargeable batteries. Simply remove the battery from the computer and repeat the charging procedure.

It is important to condition (fully discharge and then fully charge) the laptop battery every two to three weeks. Failure to do so may significantly shorten the battery's life (this does not apply to Li-ion batteries, which do not require conditioning). To discharge, simply run your device under the battery's power until it shuts down or until you get a low battery warning. Then recharge the battery as instructed in your user's manual.

If the laptop battery will not be in use for a month or longer, it is recommended that it be removed from the device and stored in a cool, dry, clean place.

It is normal for a laptop battery to become warm during charging and discharging.

A charged laptop battery will eventually lose its charge if unused. It may therefore be necessary to recharge the battery after a storage period.

The milliamp-hour (mAH) rating of the laptop battery dot org batteries will often be higher than the one on your original battery. A higher mAH rating is indicative of a longer lasting (higher capacity) battery and will not cause any incompatibilities. An laptop battery dot org battery will, in most cases, outperform the original by 30% to 50%.

Actual battery run-time depends upon the power demands made by the equipment. In the case of notebook computers, the use of the monitor, the hard drive and other peripherals results in an additional drain upon the battery, effectively reducing the battery's run-time. The total run-time of the battery is also heavily dependent upon the design of the equipment. To ensure maximum performance of the battery, optimize your computer's power management features. Refer to your computer manual for further instructions.

How Can I Maximize My Laptop Battery Performance?

There are several steps you can take to insure that you get maximum performance from your laptop battery:

Breaking In New Laptop Batteries - new batteries come in a discharged condition and must be fully charged before use. It is recommended that you fully charge and discharge your new battery two to four times to allow it to reach its maximum rated capacity.

Preventing the Memory Effect - Keep your battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-ion batteries which do not suffer from the memory effect.

Keep Your Batteries Clean - It's a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and your portable device.

Exercise Your HP 530 Battery - Do not leave your battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks. If a battery has not been used for a long period of time, perform the new battery break in procedure described above.

Battery Storage - If you don't plan on using the battery for a month or more, we recommend storing it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, NiMH and Li-ion batteries will self-discharge during storage; remember to break them in before use. Sealed Lead Acid (SLA) batteries must be kept at full charge during storage. This is usually achieved by using special trickle chargers. If you do not have a trickle charger, do not attempt to store SLA batteries for more than three months.

For Notebook Users - To get maximum performance from your battery, fully optimize the notebook's power management features prior to use. Power management is a trade off: better power conservation in exchange for lesser computer performance. The power management system conserves battery power by setting the processor to run at a slower speed, dimming the screen, spinning down the hard drive when it's not in use and causing the machine to go into sleep mode when inactive. Your notebook user's guide will provide information relating to specific power management features.


Top 15 Ways to Extend Your Laptop’s Battery Life (from http://www.friedbeef.com/top-15-ways-to-extend-your-laptop-battery-life/)

Laptops tend to lose their charm quickly when you’re constantly looking for the nearest power outlet to charge up. How do you keep your battery going for as long as possible? Here are 15 easy ways to do so.

1. Defrag regularly - The faster your hard drive does its work – less demand you are going to put on the hard drive and your battery. Make your hard drive as efficient as possible by defragging it regularly. (but not while it’s on battery of course!) Mac OSX is better built to handle fragmentation so it may not be very applicable for Apple systems.

2. Dim your screen – Most laptops come with the ability to dim your laptop screen. Some even come with ways to modify CPU and cooling performance. Cut them down to the lowest level you can tolerate to squeeze out some extra battery juice.

3. Cut down on programs running in the background. Itunes, Desktop Search, etc. All these add to the CPU load and cut down battery life. Shut down everything that isn’t crucial when you’re on battery.

4. Cut down external devices – USB devices (including your mouse) & WiFi drain down your laptop battery. Remove or shut them down when not in use. It goes without saying that charging other devices (like your iPod) with your laptop when on battery is a surefire way of quickly wiping out the charge on your laptop battery.

5. Add more RAM - This will allow you to process more with the memory your laptop has, rather than relying on virtual memory. Virtual memory results in hard drive use, and is much less power efficient. Note that adding more RAM will consume more energy, so this is most applicable if you do need to run memory intensive programs which actually require heavy usage of virtual memory.

6. Run off a hard drive rather than CD/DVD - As power consuming as hard drives are, CD and DVD drives are worse. Even having one in the drive can be power consuming. They spin, taking power, even when they?re not actively being used. Wherever possible, try to run on virtual drives using programs like Alcohol 120% rather than optical ones.

7. Keep the battery contacts clean: Clean your battery’s metal contacts every couple of months with a cloth moistened with rubbing alcohol. This keeps the transfer of power from your battery more efficient.

8. Take care of your battery – Exercise the Battery. Do not leave a charged battery dormant for long periods of time. Once charged, you should at least use the battery at least once every two to three weeks. Also, do not let a Li-On battery completely discharge. (Discharing is only for older batteries with memory effects)

9. Hibernate not standby – Although placing a laptop in standby mode saves some power and you can instantly resume where you left off, it doesn’t save anywhere as much power as the hibernate function does. Hibernating a PC will actually save your PC’s state as it is, and completely shut itself down.

10. Keep operating temperature down - Your laptop operates more efficiently when it’s cooler. Clean out your air vents with a cloth or keyboard cleaner, or refer to some extra tips by LapTopMag.com.

11. Set up and optimize your power options – Go to ‘Power Options’ in your windows control panel and set it up so that power usage is optimized (Select the ‘max battery’ for maximum effect).

12. Don’t multitask – Do one thing at a time when you’re on battery. Rather than working on a spreadsheet, letting your email client run in the background and listening to your latest set of MP3′s, set your mind to one thing only. If you don’t you’ll only drain out your batteries before anything gets completed!

13. Go easy on the PC demands – The more you demand from your PC. Passive activities like email and word processing consume much less power than gaming or playing a DVD. If you’ve got a single battery charge – pick your priorities wisely.

14. Get yourself a more efficient laptop - Laptops are getting more and more efficient in nature to the point where some manufacturers are talking about all day long batteries. Picking up a newer more efficient laptop to replace an aging one is usually a quick fix.

15. Prevent the Memory Effect - If you’re using a very old laptop, you’ll want to prevent the ‘memory effect’ – Keep the battery healthy by fully charging and then fully discharging it at least once every two to three weeks. Exceptions to the rule are Li-Ion batteries (which most laptops have) which do not suffer from the memory effect.

Sunday, May 3, 2009

Review of the Inspiron 700m, 8-cell battery for Dell Inapiron 700m to Extend Working Time

This review of the Inspiron 700m has been fairly glowing, but to balance it out and offer a few of the downfalls as I see them, the following list serves as the "cons" for the 700m:
Small screen - The screen is only 12.1". If you're coming off of a 17" monitor from your desktop, or even a 15", you'll need some adjusting time. However, your working area may even be increased -- the display is high resolution so you can fit a lot of data on it at once. If you have vision problems, this may not be what you want -- some people say that this display kills their eyes. I find it fine, but if you suspect you might find it small, check it out at a Dell kiosque. Remember, you can't lower the resolution without some ugly effects happening.
Small keyboard - The keyboard is not full size. As I said earlier, some of the essential keys are shrunk, and if you have larger hands like I do (but no experience using smaller keyboards), you will definitely have problems with it and some adjusting time (maybe 2-3 weeks!) You wouldn't want to write a novel on it. If you're worried, just make sure you check it out first. I find it very usable, but everyone's different.
Weak battery - The standard battery is very, very weak. If there were no extended battery option, I would not have bought this laptop nor would I recommend it to anyone. The extended battery adds bulk and weight, though, so be sure to check that out to and analyze the pictures I've posted! I've also included some comparative pictures so you can see how big the machine with the extended cell is.
No Legacy ports - If you have some peripherals (such as old printers, mousse, keyboards...etc.) that require Legacy connections, you're out of luck. Most devices now are USB compliant anyways.
No integrated microphone - A lot of laptops these days have mic's in them for recording lectures and such. You'll need to get an external one. However, most onboard microphones are probably very weak, so you can't be missing out on much.
Mediocre build quality - It doesn't feel cheap, it's just that I'd prefer having the build quality of the Thinkpads.
Clunky mouse buttons - I don't use them, but they do suck. Make sure you configure your touchpad to do all the stuff the buttons would normally do.
No dedicated media buttons - I am surprised there are none since this is a media-oriented machine. You'll just have to press an extra key to have access to certain commands.
Heavier and thicker than other ultraportables - This machine is tiny and very very light, but some ultraportables are even tinier. However, they sacrifice the optical drive, and I needed one of those. I know that the Fujitsu S6231 has an integrated drive and is around the same weight, but it's significantly more expensive.
Poor technical support - We've all heard this one before. Luckily you have this amazing forum.

Cite from http://www.notebookreview.com/default.asp?newsID=2496


8-cell Battery Dell INSPIRON 700M rated at 14.8V 4400mAh: