1GB DDR2 533MHz 200Pin Laptop Memory RAM ModuleFeatures: Compatible with DDR2 PC2-4200 laptop computers, suitable for Intel and AMD motherboards. Equipped with reliable chips for stable performance and high-speed operation. Memory speed of 533MHz helps enhance system responsiveness and overall computing efficiency. 1GB capacity provides adequate support for basic computing tasks such as web browsing, document editing, and everyday applications. High-quality circuit board design ensures durability and resistance to wear, making it reliable and easy to install.Specifications: Model: DDR2 Memory Frequency: 533MHz Memory Capacity: 1GB Compatibility: Designed for Intel and AMD systems Bandwidth: PC2-4200 Voltage: 1.8V Pin Count: 200-pin Dimensions: Approximately 6.7 x 3 x 0.3 cm (2.63 x 1.18 x 0.11 in)Package Includes: 1 x Memory ModuleNote: Different memory types such as SD, DDR, DDR2, and DDR3 are not interchangeable due to differences in pin configuration and slot design. Installing an incompatible module may damage the memory or motherboard. To identify the correct memory type for your system, use compatible system analysis tools to check specifications such as "Maximum Bandwidth" under the SPD tab. Common designations include: PC2-4200 corresponds to DDR2 533MHz memory.If issues such as blue screen, system crash, restart, or beep codes occur, consider the following troubleshooting steps: 1. Ensure the memory is properly seated; clean the gold fingers with an eraser if oxidation is present, then reinsert or try a different slot. 2. Clean the memory slot using a brush to remove dust or debris. 3. Confirm compatibility; test with a different memory module if necessary. 4. Reset CMOS settings to default by removing and reinstalling the motherboard battery. 5. Verify compatibility between the motherboard and CPU; consider testing with a different processor if needed.