his lost after an update. need help please

had some kind of system update. his has worked yesterday. update today and now nothing.

Here is what I have

HP Pavilion HPE h8xt
• Genuine Windows 7 Home Premium (64-bit)
• Intel Core i7-2600 processor four hearts with Turbo-Boost [upward to 3.8 GHz, 8 MB cache]
• 9GB DDR3 1333 MHz SDRAM [3 DIMMS]
Drive hard • 1 TB 7200 RPM SATA 3 Gb/s
• No additional desktop software
• SAVE $20 on Norton Internet Security (TM) 2011 - 15 months
• 2GB DDR3 NVIDIA GeForce GT 530 [DVI, HDMI, VGA adapter]
• Power 460W
• DVD SuperMulti burner
• Blu - ray player & DVD player
• Card of premium LAN Wireless-N and Bluetooth (R) (2 x 2)
• 15-in-1 card reader memory, 2 USB 2.0 (front), audio, 2 USB (rear-facing top of page)
• No TV Tuner
• Beats Audio (tm) - a built-in studio quality sound

These speakers... http://www.shopping.HP.com/webapp/shopping/product_detail.do?product_code=BR386AA%23ABL

Hello

Please follow these steps:

http://Windows.Microsoft.com/en-us/Windows/help/no-sound-in-Windows

Kind regards.

Tags: HP HP Desktops

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