Media reader card slots

Hello,
I have an emachine T6524 its been almost a year i been dealing with this issue read so many thread my head is swold. I can not for the life of me to get my media reader card slots to show in my computer and the slots doesnt detect the memory cards once put in the slots, but it does detect the usb port on the front of the bezel for the scandisk cruz. I have reinstall windows xp home edition and reformatted drive nothing, uninstalled all usb port and bus controller nothing, if a need to install a drive for this usb port i'm not sure where i suppose to go here is the specification of the emachine i have . Any help with be greatly appreciated!!

CPU : AMD Athlon™ 64 3500+ Processor (64-bit with AMD64 Technology)
(512KB L2 cache, 2.20GHz, 2000MHz FSB)
Operating System : Genuine Microsoft® Windows® XP Media Center Edition 2005

Chipset : ATI RS482
Memory : 1024MB DDR (2 × 512MB), 400MHz Dual Channel
Expandable to 4GB
Hard Drive : 200GB (7200rpm, 2MB cache)
Optical Drives : 16x DVD±RW multiformat double layer drive
48x CD-ROM drive
Media Reader : 8-in-1 digital media manager (Secure Digital™ (SD), Smart Media, Micro Drive, Memory Stick®, Memory Stick Pro®, Compact Flash, Mulitimedia Card, USB 2.0)
Video : ATI Radeon™® Xpress 200 (PCI-Express® )
Up to 128MB DDR shared video memory
PCI-Express® (PCI-E x16) slot available for upgrade
Sound : AC '97 Audio, Dolby 5.1 (6-channel)
Network : 10/100Mbps integrated Ethernet LAN
Modem : 56K ITU V.92-ready Fax/Modem
Peripherals : Premium Multimedia Keyboard, 2-Button Wheel Mouse, Amplified Stereo Speakers
Ports/Other : 7 USB 2.0 (2 in front, 4 in back, 1 in Media Reader), 2 IEEE 1394 (1 in front, 1 in back), 1 VGA external connector, 1 parallel, 2 PS/2, 5 audio ports (2 in front, 3 in back)
Dimensions : 14.25"H x 7.25"W x 16"D
Weight : 23 lbs (PC only, no packaging)