Why didn't the small computer speakers

1, boot press F8 fixed to the advanced options, "go in the latest configured properly" enter repair.
2, the simple measures can be used to bring the system restore to you didn't appear, the reduction of the fault restoration (or reduction of software system) reduction.
3, if the fault is still heavily drivers, please.

With sound card common faults are mainly silent, voice, only one speaker sound, tone sandhi, voice, crack boom, causing the fault reasons too quiet, volume, drivers, sound card, damage, damaged module, sound BIOS setup and other equipment conflict, sound card, contact undesirable damage etc.
With sound card troubleshootmethods below.
Computer silent troubleshootmethods were as follows:
(1) the first check the task bar or small horn "right". If have, sound, and failure may be normal system, or set up sound too quiet, or malfunction caused by speakers. Can continue through the headset inspect sound output, if any, is the speakers fault.
(2) if the task bar right "small loudspeaker and then click" control panel "voice and audio equipment" / "voice commands, open and audio equipment properties dialog box, click on the dialog" voice "TAB, and then in the" program "column click one of the program events (such as program error), then choose a sound, and then see the right type" preview "button is for black. If it is black, it is normal, the fault reasons may sound volume is too small, or is quiet, or setting fault. Speaker
(3) if the "voice" TAB "preview" button to gray, then click "control panel/system attribute/hardware/device manager," check "device manager" window of yellow "?" Options.
(4) if there is a yellow "?" Whether for Sound, see options (Sound equipment options zhongtong often "Audio equipment options" or "Sound" keywords). If the option is sound equipment, installation, no sound card re-install silent driver problems can be solved.
(5) if there is a yellow "?" The option is not sound equipment, or no yellow "?" Options, so watch video and sound, the game controller TAB under yellow "!" Options.
(6) if there is a yellow "!" Could not match, drivers are caused by aging or sound CARDS. Then delete "!" Options, reinstall the drivers.
(7) if the device manager window, and no sound card is integration option card, and then restart the computer, enter BIOS procedures. Then check the BIOS setting of peripheral equipment for "whether options, if is, harbor will change as" Enable ". If this setting me "Enable" may sound circuit board is damaged, maintenance, sound can be circuit.
(8) if the sound card, not integrated then open box, check whether sound installation. If not installed, after installation, test can boot, If the sound has been installed, and then will be removed, and then clean sound card and card slots on board the dust (especially to check whether there is gold finger mildew etc), after cleaning, reinstall again good, general fault can be eliminated.
(9) if the sound is not normal, it is the problem with sound, the sound substitution method of check whether or not compatible with the mainboard damage. If the sound damage or motherboard incompatible with sound, the replacement.