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Rabu, 11 Februari 2015

Hadi Yanuar

How To Make XP Go Faster

Services You Can Disable

There are quite a few services you can disable from starting automatically. This would be to speed up your boot time and free resources.They are only suggestions so I suggestion you read the description of each one when you run Services and that you turn them off one at a time.

Some possibilities are:
Alerter
Application Management
Clipbook
Fast UserSwitching
Human Interface Devices
Indexing Service
Messenger
Net Logon
NetMeeting
QOS RSVP
Remote Desktop Help Session Manager
Remote Registry
Routing & Remote Access
SSDP Discovery Service
Universal Plug and Play Device Host
Web Client


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Cleaning the Prefetch Directory

WindowsXP has a new feature called Prefetch. This keeps a shortcut to recently used programs.
However it can fill up with old and obsolete programs.

To clean this periodically go to:

Star / Run / Prefetch
Press Ctrl-A to highlight all the shorcuts
Delete them

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Not Displaying Logon, Logoff, Startup and Shutdown Status Messages

To turn these off:

Start Regedit
Go to HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionpoliciessystem
If it is not already there, create a DWORD value named DisableStatusMessages
Give it a value of 1

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Clearing the Page File on Shutdown

Click on the Start button
Go to the Control Panel
Administrative Tools
Local Security Policy
Local Policies
Click on Security Options
Right hand menu - right click on "Shutdown: Clear Virtual Memory Pagefile"
Select "Enable"
Reboot

For regedit users.....
If you want to clear the page file on each shutdown:

Start Regedit
Go to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory ManagementClearPageFileAtShutdown
Set the value to 1

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No GUI Boot

If you don't need to see the XP boot logo,

Run MSCONFIG
Click on the BOOT.INI tab
Check the box for /NOGUIBOOT

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Speeding the Startup of Some CD Burner Programs

If you use program other than the native WindowsXP CD Burner software,
you might be able to increase the speed that it loads.

Go to Control Panel / Administrative Tools / Services
Double-click on IMAPI CD-Burning COM Service
For the Startup Type, select Disabled
Click on the OK button and then close the Services window
If you dont You should notice

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Getting Rid of Unread Email Messages

To remove the Unread Email message by user's login names:

Start Regedit
For a single user: Go to HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionUnreadMail
For all users: Go to HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionUnreadMail
Create a DWORD key called MessageExpiryDays
Give it a value of 0

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Decreasing Boot Time

Microsoft has made available a program to analyze and decrease the time it takes to boot to WindowsXP
The program is called BootVis

Uncompress the file.
Run BOOTVIS.EXE
For a starting point, run Trace / Next Boot + Driver Delays
This will reboot your computer and provide a benchmark
After the reboot, BootVis will take a minute or two to show graphs of your system startup.
Note how much time it takes for your system to load (click on the red vertical line)
Then run Trace / Optimize System
Re-Run the Next Boot + Drive Delays
Note how much the time has decreased
Mine went from approximately 33 to 25 seconds.

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Increasing Graphics Performance

By default, WindowsXP turns on a lot of shadows, fades, slides etc to menu items.
Most simply slow down their display.

To turn these off selectively:

Right click on the My Computer icon
Select Properties
Click on the Advanced tab
Under Performance, click on the Settings button
To turn them all of, select Adjust for best performance
My preference is to leave them all off except for Show shadows under mouse pointer and Show window contents while dragging

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Increasing System Performance

If you have 512 megs or more of memory, you can increase system performance
by having the core system kept in memory.

Start Regedit
Go to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory ManagementDisablePagingExecutive
Set the value to be 1
Reboot the computer

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Increasing File System Caching

To increase the amount of memory Windows will locked for I/O operations:

Start Regedit
Go to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory Management
Edit the key IoPageLockLimit

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Resolving Inability to Add or Remove Programs

If a particular user cannot add or remove programs, there might be a simple registry edit neeed.

Go to HKCUSoftwareMicrosoftWindowsCurrentVersionPoliciesUninstall
Change the DWORD NoAddRemovePrograms to 0 disable it

4096 - 32megs of memory or less
8192 - 32+ megs of memory
16384 - 64+ megs of memory
32768 - 128+ megs of memory
65536 - 256+ megs of memory
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Rabu, 04 Februari 2015

Hadi Yanuar

Digital Camera Guide


So, it's time for a digital camera huh? Well, buying one can be more than a little difficult. What types of features should you look for? Well, this guide will tell you that plus get you a little more familiar with what these cameras are capable of.

Megapixels
When it comes to megapixels, the more the better. I recommend a minimum of 2, but 3 or 4 is great. We did a test to see if a camera with 2.3 megapixels (actually 1.92 - 1600 x 1200) could produce a good quality 8x10.

Turns out it can, if you have the right paper and printer. We used HP Premium Plus photo paper with an HP 970 series printer and made a fantastic 8 x 10. Remember, I was a professional photographer before I got into computing, so I know a good print when I see it :-)

The resolution at 8x10 (we had to crop in to make the picture proportional to 8x10) was only 150 DPI. Most printers would not make a real good 8x10 at that resolution, but this one did. So, if you want to be sure you can get good 8 x 10s, you may want to go with a 3 megapixel camera or better (that gives you around 200 DPI at 8x10 size, still not quite the optimum 300 DPI, but it looks good with the right printer).


Optical vs Digital Zoom
You've probably noticed that most digital cameras have both a specification for digital and optical zoom. Pay the most attention to the optical zoom.

The optical zoom magnifies (zooms in) using glass. The digital zoom basically crops out the edge of the picture to make the subject appear closer, causing you to lose resolution or to get an interpolated resolution (i.e. the camera adds pixels). Neither of which help image quality.

Finally, make sure you get enough (optical) zoom. A 2x zoom isn't going to do much for you. A 3x is the average you'll find in most digital cameras will probably be good for most uses. More on lenses later.


Connection
How does the camera connect to your computer? If you have a USB port in your computer, you'll want a camera that can connect via USB as opposed to a slow serial connection.

On the other hand, if your computer doesn't have a USB port, is there a serial connector available for the camera you're looking at? If so, is it a special order and how long does it take to get it?


Storage
What does the camera use to store images with? If it uses a memory stick, make sure you consider buying additional sticks when you get your camera. A typical 8 meg memory stick that comes with a 2 megapixel camera only holds 5 or 6 images at the camera's best quality.

Some cameras use a 3.5 inch disk for storage. Be careful of these!
Although it may sound like a good idea, a 3 megapixel camera at high resolution produces a 1 meg file (compressed!). That's only 1 picture per disk.


Here's a few more things to look out for when trying to make your digital camera purchase.

Picture Formats
When you're trying to decide on which digital camera to get, check and see how many different picture formats it supports.

You want something that can produce both uncompressed (usually TIFF) and compressed (usually JPEG) images. I personally use the high quality JPEG setting on my camera for most of my shooting. TIFFs are just too big and the difference in quality is not ascertainable by mere mortals.

You also want to be able to shoot at a lower resolution than the camera's maximum. That way, If you're running short on memory, you can squeeze a few more shots on your memory stick.


Auxiliary Lens / Flash
This was a biggie for me. While a 3x zoom may work for the "average" user, I needed something that allowed me to do some wide angle work as well as have a good telephoto lens.

So, the camera I purchased a few months back was a Nikon Coolpix 990 (note that this isn't the only camera that can accept lenses). It has auxiliary lenses that screw into the filter ring on the front of the lens. I now have an ultra-wide fisheye lens plus a nice telephoto.

In addition to lenses, I wanted a good flash. The flash that is built into most of these cameras gives you a top range of 15-20 feet - at best. I wanted a camera that could take a powerful auxiliary flash (again, the Nikon isn't the only camera that fits this requirement, but I liked it better than the rest). If you need more reach than the small built in flash can deliver, then make sure you can attach an external flash to any camera you consider.

As an added bonus, if you get a camera that can take an external flash, you can place that flash on a bracket and eliminate red-eye.


Flash Distance
Speaking of flashes, make sure you check the distance the built in flash is good for. You don't want a camera with a wimpy flash that only travels a few feet (well, unless you can get an external flash for it as described above).


Battery Type
This may not sound important, but it is. Anyone who owns a digital camera can tell you they eat batteries the way a sumo wrestler eats at a buffet.

Make sure the camera can run on regular (or rechargeable) "AA" type batteries. You don't want a camera that eats through expensive lithium batteries every 10 shots or so.

One thing to remember about digital cameras, they do eat through batteries. I recommend getting some Nickel Metal Hydride rechargeable for it. I have some for mine and they have saved me a fortune.


Final Notes
Choosing a digital camera isn't easy. There's a huge selection out there and only you can determine which features you need.

For instance, if you shoot wildlife photos, a small 3x zoom probably isn't going to cut it (unless you can attach auxiliary lenses to it). If you shoot lots of close-ups, make sure the camera has some sort of macro capability. If you shoot big group photos indoors, an external flash may be necessary.

My advice is to make a list of things you want to be able to do with the camera then go to somewhere that can help you make a good purchase decision.

Finally, buy the BEST camera you can possibly afford. Or wait until the price drops on one with the type of features you want.
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