DVD and CD RW Driver are not working

Please Use WRITEX CD/DVD Lenses Cleaner to clean your CD/DVD Drive then check it.

On a computer that DOES have Internet access,
access the manufacturer's web-site: http://support.dell.com
and select "Dimension" and "8250".
Select the device-driver for the NIC.
Download it.
Copy the download to a CD-recordable disk, or to a USB memory-stick.
Move the copy of the file to your Dell.
Run the software to install the device-driver for the NIC.

Acer Aspire 4520 Notebook Technical Specifications:


Operating System Genuine Windows Vista Home Premium Processor AMD Athlon™ 64 X2 Dual-Core Processor TK-57 (512KB L2 cache, 1.9GHz) Chipset NVIDIA nForce 610M Memory 1GB (1GB installed in one of two memory slots) DDR2 667 SDRAM User upgradeable up to 4GB (one 2GB memory card in each slot)* subject to availability of 2GB cards
*If upgrading after initial purchase, one or more of the memory cards provided with the system may have to be replaced with optional larger memory cards in order to achieve the maximum capacity.
Storage 120GB* hard disk drive Integrated variable-speed Super-Multi drive (DVD+R, DVD-R, DVD-RAM):
-Read - 24X CD-ROM, 24X CD-R, 24X CD-RW, 8X DVD-ROM, 8X DVD-R, 8X DVD+R, 6X DVD-ROM DL (double-layer), 6X DVD-R DL (double-layer), 6X DVD+R DL (double-layer), 6X DVD-RW, 6X DVD+RW, 5X DVD-RAM
-Write - 24X CD-R, 10X CD-RW, 8X DVD-R, 8X DVD+R, 4X DVD-R DL (double-layer), 4X DVD+R DL (double-layer), 6X DVD-RW, 8X DVD+RW, 5X DVD-RAM
5-in-1 card reader for optional MultiMediaCard™, Secure Digital card, Memory Stick, Memory Stick PRO™ or xD-Picture Card™

Surely to load XP is a DownGrade. As this notebook is dual core, I would run Vista 64 or better still Windows 7 64.
If you wish to persist with an old system, you require SP3 for XP.That may be available from a software store but is no longer supported by Windows.
Try http://www.notebook-driver.com/laptops-information/acer-aspire-4520-notebook-technical-specifications/ for drivers that you will require to have support from Acer.

Hope that clarifies your situation.

Please download sound driver at this link : www.nodevice.com/driver/company/Dell/SOUND.html www.notebook.driversdown.com/notebook-drivers/r_1_1.shtml
Regards

your computer does not support 1GB memory sticks. The max memory for that system is 1GB which would be 2 sticks configured as 512MB

see below for the specs (i bold, italics and underlined the main part)

Processor Intel® Celeron® M Processor 370
1 MB L2 Cache | 1.50 GHz | 400 MHz FSB Display Screen 14-inch Widescreen Ultrabright™ WXGA TFT Chipset Via VN800 Memory 256 MB DDR2 (1 × 256 MB) SODIMM
Total slots: 1 DDR2 slot | Available slots: 0 DDR2 slots
Expandable to 1 GB Video S3 Graphics UniChrome™ Pro IGP
Up to 64 MB shared VRAM Audio AC'97 2.3 Compliant Hard drive 40-GB 4200 RPM hard drive Optical drive DVD +/- RW Multi-Format Double Layer
Write maximum: 8X DVD+/-R, 6X DVD-RW, 8X DVD+RW, 2X DVD-R DL, 2.4X DVD+R DL, 24X CD-R and 16X CD-RW discs
Read maximum: 24X CD-R/RW/ROM, 8X DVD-R/RW/ROM, 4X DVD+/-R DL, RAM discs Media Reader 4-in-1 Digital Media Manager
Secure Digital™, Memory Stick®, Memory Stick-Pro®, and MMC™ Modem 56K ITU V.92 ready fax/modem Network 10/100 Mbps built-in Ethernet
802.11g integrated wireless (up to 54 Mbps) Interfaces

• 2 - USB 2.0 ports
• 1 - VGA external connector
• 1 - RJ11 (modem)
• 1 - RJ45 (Ethernet LAN)
• Microphone jack
• Headphone jAck

Pointing device Touchpad with vertical scroll zone PCMCIA 1 - Type I or Type II; Card Bus Battery 6-cell Lithium-ion Dimensions 1.1 to 1.24-inches (H) × 13-inches (W) × 9.7-inches (D)
28 to 32 mm (H) × 330 mm (W) × 246 mm (D) Weight 5.01 pounds
Processor Intel® Celeron® M Processor 370
1 MB L2 Cache | 1.50 GHz | 400 MHz FSB Display Screen 14-inch Widescreen Ultrabright™ WXGA TFT Chipset Via VN800 Memory 256 MB DDR2 (1 × 256 MB) SODIMM
Total slots: 1 DDR2 slot | Available slots: 0 DDR2 slots
Expandable to 1 GB Video S3 Graphics UniChrome™ Pro IGP
Up to 64 MB shared VRAM Audio AC'97 2.3 Compliant Hard drive 40-GB 4200 RPM hard drive Optical drive DVD +/- RW Multi-Format Double Layer
Write maximum: 8X DVD+/-R, 6X DVD-RW, 8X DVD+RW, 2X DVD-R DL, 2.4X DVD+R DL, 24X CD-R and 16X CD-RW discs
Read maximum: 24X CD-R/RW/ROM, 8X DVD-R/RW/ROM, 4X DVD+/-R DL, RAM discs Media Reader 4-in-1 Digital Media Manager
Secure Digital™, Memory Stick®, Memory Stick-Pro®, and MMC™ Modem 56K ITU V.92 ready fax/modem Network 10/100 Mbps built-in Ethernet
802.11g integrated wireless (up to 54 Mbps) Interfaces

• 2 - USB 2.0 ports
• 1 - VGA external connector
• 1 - RJ11 (modem)
• 1 - RJ45 (Ethernet LAN)
• Microphone jack
• Headphone jAck

Pointing device Touchpad with vertical scroll zone PCMCIA 1 - Type I or Type II; Card Bus Battery 6-cell Lithium-ion Dimensions 1.1 to 1.24-inches (H) × 13-inches (W) × 9.7-inches (D)
28 to 32 mm (H) × 330 mm (W) × 246 mm (D) Weight 5.01 pounds
Processor Intel® Celeron® M Processor 370
1 MB L2 Cache | 1.50 GHz | 400 MHz FSB Display Screen 14-inch Widescreen Ultrabright™ WXGA TFT Chipset Via VN800 Memory 256 MB DDR2 (1 × 256 MB) SODIMM
Total slots: 1 DDR2 slot | Available slots: 0 DDR2 slots
Expandable to 1 GB Video S3 Graphics UniChrome™ Pro IGP
Up to 64 MB shared VRAM Audio AC'97 2.3 Compliant Hard drive 40-GB 4200 RPM hard drive Optical drive DVD +/- RW Multi-Format Double Layer
Write maximum: 8X DVD+/-R, 6X DVD-RW, 8X DVD+RW, 2X DVD-R DL, 2.4X DVD+R DL, 24X CD-R and 16X CD-RW discs
Read maximum: 24X CD-R/RW/ROM, 8X DVD-R/RW/ROM, 4X DVD+/-R DL, RAM discs Media Reader 4-in-1 Digital Media Manager
Secure Digital™, Memory Stick®, Memory Stick-Pro®, and MMC™ Modem 56K ITU V.92 ready fax/modem Network 10/100 Mbps built-in Ethernet
802.11g integrated wireless (up to 54 Mbps) Interfaces

• 2 - USB 2.0 ports
• 1 - VGA external connector
• 1 - RJ11 (modem)
• 1 - RJ45 (Ethernet LAN)
• Microphone jack
• Headphone jAck

Pointing device Touchpad with vertical scroll zone PCMCIA 1 - Type I or Type II; Card Bus Battery 6-cell Lithium-ion Dimensions 1.1 to 1.24-inches (H) × 13-inches (W) × 9.7-inches (D)
28 to 32 mm (H) × 330 mm (W) × 246 mm (D) Weight 5.01 pounds
Processor Intel® Celeron® M Processor 370
1 MB L2 Cache | 1.50 GHz | 400 MHz FSB
Display Screen 14-inch Widescreen Ultrabright™ WXGA TFT
Chipset Via VN800
Memory 256 MB DDR2 (1 × 256 MB) SODIMM
Total slots: 1 DDR2 slot | Available slots: 0 DDR2 slots
Expandable to 1 GB
Video S3 Graphics UniChrome™ Pro IGP
Up to 64 MB shared VRAM
Audio AC'97 2.3 Compliant
Hard drive 40-GB 4200 RPM hard drive
Optical drive DVD +/- RW Multi-Format Double Layer
Write maximum: 8X DVD+/-R, 6X DVD-RW, 8X DVD+RW, 2X DVD-R DL, 2.4X DVD+R DL, 24X CD-R and 16X CD-RW discs
Read maximum: 24X CD-R/RW/ROM, 8X DVD-R/RW/ROM, 4X DVD+/-R DL, RAM discs
Media Reader 4-in-1 Digital Media Manager
Secure Digital™, Memory Stick®, Memory Stick-Pro®, and MMC™
Modem 56K ITU V.92 ready fax/modem
Network 10/100 Mbps built-in Ethernet
802.11g integrated wireless (up to 54 Mbps)
Interfaces •2 - USB 2.0 ports
•1 - VGA external connector
•1 - RJ11 (modem)
•1 - RJ45 (Ethernet LAN)
•Microphone jack
•Headphone jAck

Pointing device Touchpad with vertical scroll zone
PCMCIA 1 - Type I or Type II; Card Bus
Battery 6-cell Lithium-ion
Dimensions 1.1 to 1.24-inches (H) × 13-inches (W) × 9.7-inches (D)
28 to 32 mm (H) × 330 mm (W) × 246 mm (D)
Weight 5.01 pounds

Please check the following link for complete information on Dimension 8250
http://support.dell.com/support/edocs/systems/dim8250/

Check the technical specification section to see if u bought the correct memory type for this computer to upgrade..if yes then proceed to the adding and replacing parts section to check for the instructions on adding memory.

buy new dvd rw cd rom

i believe it's ms windows issues. you can reload the operating system. it will solve your problem.
2nd option is try to follow this step from ms
http://support.microsoft.com/kb/314060

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Good Luck read and follow instructions will find your answer.

Good Luck, Please dont for get to Vote/Thank You.

dear
i have this kind of drive ( 7W036-A01) , IT READ AND WRITE CD BUT IT COULDNT WRITE DVD ( EVEN IT READ DVD IN GOOD WAY )
PLEASE CAN ANY ONE HELP ?????