Signal to noise related knowledge

What to do after installing the sound card settings and testing?

If, after the equipment and the process of installing the software, you have successfully installed the sound card, first to congratulate you, but then setting is best suited to fill, may raise a number of performance and quality. VGP-BPS9 VGP-BPS8A

 

Entered in the "Control Panel / Multimedia" here "Audio" page can be seen marked by "Play" and "registration" in two columns, first in the Part "column" Playback device choose your sound card as "prefer On the device, then press the content "advanced" to enter, first used by the speakers according to your specifications select "Set speakers" project, then enter "Performance" page, the "Hardware Acceleration" to " speed "," quality sample-rate conversion "to" better ", select" Apply "or" OK "after the multimedia content to leave the" Audio "page. Now press "Play" icon on the left, time to enter the "Volume Control" screen, then select the menu "Options / content" at the bottom of this screen "Show volume controls following "Selection of the column you want to control the volume of the device, choose the right after clicking" OK "to exit, you can look in the" Volume Control "on the screen to see and control your initial volume the device of choice.

 

After the sound card Zhuangwan Why? Device Manager does not see the conflict ah IBM ThinkPad R50 battery  IBM ThinkPad R51 battery When installed, having good sound card, if the situation encountered no noise will inevitably have doubts, especially in the "Device Manager" and have no audio device in a "yellow exclamation points" or " Red XX ", please check the following steps one by one to isolate the problem.

 

Please check in volume control, to confirm that no player in the device has been muted.

Please check the volume control speaker, whether to adjust the volume loud enough to hear.

This step is most commonly found in the latest issue, which is the so-called IRQ sharing, this is the Windows 98SE version of a feature due to external devices in a wide range further, making the computer system was not enough IRQ sharing, causing some devices can not be used, so after the Windows 98SE operating systems MS provide this functionality, which is intended to be well-intentioned but it is virtually created a device can not be used, but the system can not warned, so the user can not think the problem is where you are, please point to "Start / / Applications Assembly Subsidiary / System Tools / System Information" in the information system at the Open "Physical Resources" and click on "conflict / sharing", and you'll be in the right side of this window see the "shared resources" and "device" column in the device "field" to find your sound card device, take a look at the "same shared resources" column IRQ numbers to see if there as well as other equipment and is shared IRQ, such as video card, SCSI card, network card, etc., if there is, then it is likely to contribute to the sound card is no good reason. Dell Inspiron 8600 battery  Dell Inspiron 9200 battery

 

When this happens, the case of doing? The author proposes several methods to resolve. Because in this case, you still go to adjust the device IRQ, usually you can not modify the operating system, we must start with the most fundamental of the motherboard to fit. The first method is to try the sound card to a PCI slot, in principle, it is a relatively simple and practical, if the problem is not resolved, then please try to free a number of non-use devices, such as IRQ, COM1, COM2, USB and so on, and be able to free some IRQ, and then have enough IRQ may be affected.

 

If the problem persists, it may be necessary in the BIOS to specify the sound card in PCI slot used by the IRQ, this issue should have been settled fish, it remains the same, it is likely that hardware problems in the In these circumstances, could probably do a repair.

 

Why is this driver is not certified DirectX? Will not affect the operation of the sound card?

Perhaps there are many users have installed a variety of multimedia adapter, the willingness to go run DirectX diagnostic tool, I think there are also many users have found that diagnostic procedures displays " some VXD no authentication "message, you may have confused this message will affect the operation of equipment? hp OmniBook XE3 battery  hp Pavilion dv8000 battery

 

In fact, this message simply indicates that this driver is not sent to the Micorsoft to perform the certification, this does not mean that the driver can not be used or not working due to drivers' certification and time to send a lot, there is the urgent demand for what is not appropriate, especially when the driver found a bug, manufacturers and users want to be able to be resolved as soon as time, this time sending delays Ruoyin certification, users do not jump? In addition, large manufacturers are going to run multiple Microsoft operating systems are not compatible with the risk and ruin his reputation to do? These movements of securities appear to have been created by Microsoft for the sake of ensuring the quality of the user movements are made to consolidate its leading position in the ball petty. So, as manufacturers introduced decent product, although it is not subject to certification from Microsoft, but this can also be normal.

 

Why just the music CD?

In fact, this issue should not be a problem, but rather the result of negligence or forgetfulness, used his card readers should all know that the sound card will provide at least one internal CD-FIT-pin analog input sources usually more than two, two by the key four needles, but the sizes are different, or the jacket not the same thing, which is related to your audio cable connector. PA3399U-1BRS PA3399U-2BAS

 

All of a sound card if you are normal, only the music CD can not say anything, but you can see the CD of music at work, but it is not any sound, then the audio cable Jiucheng yes I forgot to take as long as you look out of the CD audio cable, terminating in a CD-ROM on the back of the pin output signal, the other end of the sound card, this problem can be solved.

 

How can I can hear the microphone recording the sound?

The microphone while recording to hear the recorded voice, which, in the card, full duplex sound is certainly not a problem unless you belong in the top half-duplex sound card products.

 

By trying to achieve this objective fact, as long as the volume control can be configured, please open the "Volume Control" screen to control playback volume on this screen must have a microphone device, if not, s' you please follow the map "over the sound configuration problems" statement by adding this unique feature, add this one device, make sure the volume slider below the "Mute" is checked, in principle, the default is silent, in normal circumstances, as long as the deletion of the Gogo will be able to meet the registration and also be able to hear the voice of the purpose of the file apple iBook G4 12 inch battery  apple iBook G4 14 inch battery

Remove laptop hidden partition

Remove all types of portable method of hidden partition

 

Many notebook manufacturers for ease of installation and user of a retrieval system adopted a system of key recovery. With a key recovery, laptop VGP-BPS2 VGP-BPS2A users can easily restore the Vista operating system and drivers. However, due to a function key recovery requires a certain degree of hard disk space (usually 5 GB ~ 10GB), but most users are not accustomed to using pre-built Vista systems, to restore the partition becomes cumbersome, but also a waste of portable hard drives space.

 

Remove common hidden recovery partition

 

Dell notebooks, the ThinkPad X31 previous ThinkPad notebooks and many other phones are based on a hidden partition approach to key recovery is to restore the system data on the hard disk. This type of notebook a key to restore a hidden partition is very easy to remove, as far as Windows XP / Windows Vista start menu using right-click "My Computer" (Windows XP) or "computer" ( Windows Vista), select "Manage" "Storage" "Disk Management" in the schema partition hard drive, select the hidden partition, right click option "Delete Partition" can

 

Delete Lenovo laptop LEOS IBM ThinkPad T40 battery  IBM ThinkPad T41 battery

 

Generation of Lenovo notebooks used is known as "LEO" technology button recovery for hard disk data backup, restoration, implementation of this function is integrated in the BIOS of a procedure and by virtue of interaction interface of Windows software made, namely the creation of a non-hidden partition on the hard drive to save the partition (which is often say the C drive) to facilitate the file system is destroyed a key to continue. Normal operation can not be on drive C before the region amended (about 5 GB). To remove it, in fact, has not been difficult, first restart your computer, in the case of the keyboard interface lenovo top right corner of the restaurant "/ custom" key, there will be a key to restore the simplicity of the interface. At this moment there are only two options, one is the system recovery, and the other is the software and driver recovery, then press "Shift + B", enter the password "Lenovo", he there will be a key to restore the default interface, this interface option backup can be uninstalled. If the above methods can not, you can use Windows 98 boot CD-ROM / Flash boot up in DOS mode, run the software management LEOS, "type leostool / db" to disable the backup feature, then type "leostool / dleos" you can put Lenovo's backup systems deleted.

 

Remove HPA protected areas Dell Inspiron 5150 battery  Dell Inspiron 6000 battery

 

Because the hidden partition shared more easily damaged, future ThinkPad ThinkPad X31, Lenovo certain, founder of the laptop and started using other brands of portable HPA (Hidden Protected Area, hidden protected area) to save system restore files. The technology to remove the hidden partition has brought no small difficulty, many laptop users are frustrated with this situation. In fact, to solve this problem is not difficult.

 

Tip: HPA what is this?

 

In the ATA-5 protocol was established after the introduction of the HDD "Hide protected areas" technology (eg, HPA), through the use ATA commands directly to the back of a hard disk protected area, not just the operating system can not see the region and even the motherboard BIOS can not read is protected under the "Hide protected areas." If you set up a 120 GB 10 GB hard drive "Hide protected areas", then the BIOS can only detect 110 GB As the intensity of the HPA to be significantly higher than the protection of the "hidden partition." As long as there is no protocol defined in the ATA command to open the "Hide protected areas, it is impossible to use ordinary means to read and write operations in this region, the ATA protocol also defines a number of lock protected areas in the range of password-protected areas, further HPA improved reliability and security. The hard disk is not protected areas, can be a normal read and write partition, format, and even low-level formatting but not the "Hide protected areas" in the data have no impact. F4809A F4812A

 

1. Remove HPA ThinkPad

 

The HPA is currently leading manufacturer of portable laptop computers to use the software Phoenix FirstWare Recover created. Phoenix FirstWare Recover established by the use of HPA, is Phoenix FirstWare Recover natural components to remove. For the series of ThinkPad notebooks, the first recovery CD-ROM DHA, there is this component - Fwdelete. To remove the HPA, have been carried out first in the BIOS for the Series A. Access to ThinkPad notebook drivers, in turn, choose "Security" "Predesktop Zone", the "Access IBM Predesktop Area" set to "Disable" (Figure 2). Then use the CD-ROM or flash memory for portable guide to DOS, the DOS interface, type "Fwdelete drv = 0 all" and press ENTER (Figure 3), you can remove stubborn HPA. To re-partition, you can use your entire disk space of the

 

Access IBM Predesktop Area "set to" Disable

 

In the DOS interface, type "Fwdelete drv = 0 all" and press ENTER

 

2. Delete Lenovo notebook HPA

 

Some laptops Lenovo will need to adopt a hidden partition uninstall tool Hddfunc / HPATool unloading Hddfunc the use of relatively simple, the boot with the CD-ROM or flash memory in DOS mode, then DOS mode "Hddfunc / d" command can be hidden Uninstall disk data backup area. For Hddfunc can not delete the HPA partition is, you need to use HPATool and in DOS mode, "type HPATool / CLR ", capable of recording all modules Clear All. M8403 apple iBook G4 12 inch battery

 

3. Remove the pad with the side HPA

 

The same side of a notebook entitled "Emergency Center" software to create a system recovery partition HPA, usually occupied by the system 8GB ~ 10GB of hard disk space. Notebooks for the same side, you can uninstall the "Emergency Center" software, used software UlockHPA hidden HPA partition to delete. Method is to boot the system into DOS mode with CD-ROM, and DOS mode "UlockHPA-d "command can be hidden on the hard drive to remove the area of data backup. and then restart the laptop, using PQMagic partitioning software, you can use a hidden partition.

 

Tip: When the system on a USB or a portable hard drive, flash memory, UlockHPA software will fail if this operation can not use the boot system flash for DOS to run. PA3534U-1BRS  PA3591U-1BRS

 

4. HPA remove the general method

 

In addition, HPA can also be used MHDD tool disk "NHPA" command to delete the address (MHDD download) If your books to the previous method is not able to remove the HPA, you can try MHDD commands NHPA. Method is very simple, as long as the race MHDD, in the main interface, press "Shift + F3" to select the hard disk, the disk drive list appears, select a good hard drive (usually the primary IDE channel drive drive is the first IDE drive, select "1" can be), then type "NHPA", "Press Y" can be.

 

Remove the system comes with a recovery partition, be it a hidden recovery partition or HPA Protection Division has a certain degree of risk that could jeopardize the system's data suggest that readers in use long before the best data back-up. After leaving the recovery partition system, but also need to use PQMagic partitioning tool, like a new partition can be used after the release of the "hidden partition".BATBL50L6 LCBTP03003

 

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