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Sunday, July 3, 2011
One second lock your computer so that others can not operate!
If you immediately go to work, come back soon, but do not want other people using your computer, if your computer is set up the system login password, then you can lock your computer so that one second. If there is no set system login password, we must first set. To do the following: Press the shortcut key: Win L (Win the keyboard on the WINDOWS key). Go and try. Adapted to the WINDOWS system.
After installing the Windows 7 can not find the CD Drive! --> How to fix Code 39 error with DVD/CD-ROM drives
After installing Win 7 Ultimate PC, Windows appears "can not load the hardware device drivers. Driver may be corrupted or missing. (Code 39)" issue. But the worst is that even the USB drive will have problems (like trying to solve the Update driver, still can not be restored, so to provide the following, and I hope the friends encounter this problem can solve the problem.
How to fix Code 39 error with DVD/CD-ROM drives
I was fixing a computer the other day and ran across the following error in Device Manager on the CD-ROM drive. Same as you are. "Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39)"
Because of this error, the drive did not show up in My Computerand the customer was unable to burn CDs or read any CDs. I uninstalled the drive from Device Manager, rebooted the computer, and the problem remained, so obviously it appeared to be a registry issue that I would have to solve. If you are receiving this Code 39 error and your CD or DVD drive is missing and has a yellow exclamation mark in Device Manager, I hope this informationis useful.
To solve this Code 39 error, follow these instructions:
NOTE: After removing these registry keys and rebooting, it may be necessary to reinstall any CD or DVD recording applications.
1) Close all open programs
2) Click on Start, Run, and type REGEDIT and press Enter
3) Click on the plus signs (+) next to the following folders
HKEY_LOCAL_MACHINE
SYSTEM
CurrentControlSet
Control
Class
{4D36E965-E325-11CE-BFC1-08002BE10318}
4) This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column.
UpperFilters
LowerFilters
UpperFilters.bak
LowerFilters.bak
5) If any of the above keys shown in step 4 are listed, right-click on them and choose Delete
6) After deleting the keys, close the Registry Editor
7) Reboot your computer
8) Open My Computer and check to see if your CD or DVD drives have returned. You may also want to open Device Manager and verify that the yellow exclamation and error code on the CD or DVD drive is gone.
How to fix Code 39 error with DVD/CD-ROM drives
I was fixing a computer the other day and ran across the following error in Device Manager on the CD-ROM drive. Same as you are. "Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39)"
Because of this error, the drive did not show up in My Computerand the customer was unable to burn CDs or read any CDs. I uninstalled the drive from Device Manager, rebooted the computer, and the problem remained, so obviously it appeared to be a registry issue that I would have to solve. If you are receiving this Code 39 error and your CD or DVD drive is missing and has a yellow exclamation mark in Device Manager, I hope this informationis useful.
To solve this Code 39 error, follow these instructions:
NOTE: After removing these registry keys and rebooting, it may be necessary to reinstall any CD or DVD recording applications.
1) Close all open programs
2) Click on Start, Run, and type REGEDIT and press Enter
3) Click on the plus signs (+) next to the following folders
HKEY_LOCAL_MACHINE
SYSTEM
CurrentControlSet
Control
Class
{4D36E965-E325-11CE-BFC1-08002BE10318}
4) This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column.
UpperFilters
LowerFilters
UpperFilters.bak
LowerFilters.bak
5) If any of the above keys shown in step 4 are listed, right-click on them and choose Delete
6) After deleting the keys, close the Registry Editor
7) Reboot your computer
8) Open My Computer and check to see if your CD or DVD drives have returned. You may also want to open Device Manager and verify that the yellow exclamation and error code on the CD or DVD drive is gone.
Saturday, July 2, 2011
Simple to make Windows XP faster rate of three methods
1, to reduce the boot disk scan wait time, Start → Run, type: chkntfs/t:0
2. delete the backup files: in a variety of hardware and software installation is complete, in fact, XP needs to be updated when the file is very small. Start → Run and typing: sfc.exe/purgecache and then press Enter.
3. compressed folder: This is a good optimization of One, Windows XP built-in support. ZIP file, we can browse zip files as folders. However, the system should use some resources to achieve this functionality, so disabling this featurecan improve system performance. Implementation is very simple, just cancel zipfldr.dll registered on it, click Start - Run, type: regsvr32/u zipfldr.dll. Then press Enter.
2. delete the backup files: in a variety of hardware and software installation is complete, in fact, XP needs to be updated when the file is very small. Start → Run and typing: sfc.exe/purgecache and then press Enter.
3. compressed folder: This is a good optimization of One, Windows XP built-in support. ZIP file, we can browse zip files as folders. However, the system should use some resources to achieve this functionality, so disabling this featurecan improve system performance. Implementation is very simple, just cancel zipfldr.dll registered on it, click Start - Run, type: regsvr32/u zipfldr.dll. Then press Enter.
Computer systems do not reinstall the system! Can achieve the same effect!
Slow system already installed with the system over time, more and more applications installed,and some incorrect settings cause Windows system more slowly, if we can not stand the speed of the system, the last is to reinstall the system . But really no other way?
In fact, we forget that a feature in Windows - account. Account, the original is more than Windows to use the same machine will create functions, different accounts have different profiles, different accounts are loaded into the system after the services and applications is not the same, in practice, computer set up multiple accounts for the very few people, we use is this.
When our system becomes very slow, do not rush to reinstall the system first, you can try as follows: (in Windows XP, for example, other versions of the same set)
1. Click"Start" → "Control Panel" → "User account" open "User Accounts" dialog box.
2. Click "Create a new account" in the emerging interface, enter the new account name, then click "Next."
3. in the new interface appears, select the account type, then click "Create Account" to complete the account creation.
4. Restart the computer, with the account you just created landing machine, is not feeling the system and change faster than before.
Note: 1 by the above method, in order not to change habits, we can before the "desktop" and "Quick Launch" copy to the current user, the specific path corresponding to the following:
The desktop -- C:\Documents and Settings\User name\the desktop. Quick launch bar-- C:\Documents and Settings\User name\Application Data\microsoft\Internet Explorer\Quick Launch
2. When the system is only one Administrator account, select the account type in "restricted" types will not optional, because Windows requires more than one account if there is, then, in addition to at least one Administrator account, in addition to "Computer Administrator "type of account.
3. Everything is done, you can put that "slow Account" deleted. We might try
In fact, we forget that a feature in Windows - account. Account, the original is more than Windows to use the same machine will create functions, different accounts have different profiles, different accounts are loaded into the system after the services and applications is not the same, in practice, computer set up multiple accounts for the very few people, we use is this.
When our system becomes very slow, do not rush to reinstall the system first, you can try as follows: (in Windows XP, for example, other versions of the same set)
1. Click"Start" → "Control Panel" → "User account" open "User Accounts" dialog box.
2. Click "Create a new account" in the emerging interface, enter the new account name, then click "Next."
3. in the new interface appears, select the account type, then click "Create Account" to complete the account creation.
4. Restart the computer, with the account you just created landing machine, is not feeling the system and change faster than before.
Note: 1 by the above method, in order not to change habits, we can before the "desktop" and "Quick Launch" copy to the current user, the specific path corresponding to the following:
The desktop -- C:\Documents and Settings\User name\the desktop. Quick launch bar-- C:\Documents and Settings\User name\Application Data\microsoft\Internet Explorer\Quick Launch
2. When the system is only one Administrator account, select the account type in "restricted" types will not optional, because Windows requires more than one account if there is, then, in addition to at least one Administrator account, in addition to "Computer Administrator "type of account.
3. Everything is done, you can put that "slow Account" deleted. We might try
Interesting! To determine the sex of the computer you!
Your computer is male or female? Step one: point "start", in "all programs" find "accessories", point "notepad"
Step two: in which the input CreateObject ("SAPI.SpVoice").Speak "I love YOU"
Step three: the archive as. VBS files, such as: i love you.vbs, then click on the file, you will hear a single word I LOVE U. You can tell by the sound of your computer are boys or girls ~!!..
Step two: in which the input CreateObject ("SAPI.SpVoice").Speak "I love YOU"
Step three: the archive as. VBS files, such as: i love you.vbs, then click on the file, you will hear a single word I LOVE U. You can tell by the sound of your computer are boys or girls ~!!..
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