- Hign-concerned Chemical: None
- Part Number: no
- Item Type: Other Notebook Parts
- Compatible Brand: Dell
- Compatible Brand: Dell
- Model Number: L5421
- Brand Name: KoCoQin
- Origin: Mainland China
- Certification: none
Motherboard Details
Thank you for reading this post, don't forget to subscribe!Dear Sir/Madam, Below are the details of the motherboard pictures we are selling in this link.
Some models have different configurations, please check carefully before purchasing.
0DF8RX 07XCDJ 0DF8RX
How to choose the motherboard correctly
You can pay attention to the coding of these locations on the motherboard. If you have any hesitation, please contact us,We’ll pick the right motherboard for you.
If you can’t find the above code on the motherboard,you can try to find The codes below
The motherboard will be fully tested
Before shipping, we will fully test the motherboard. Tests include screen, keyboard, battery, wifi and all USB, output connectors. We will also send you test photos before shipping. Below are some photos of our testing process.
Warranty Service
All purchases of our products are provided with a three-month warranty, that is, within three months after receiving the goods. However, the following situations are not included.
1. We will affix the exclusive warranty logo of our company to the motherboard before sending, please do not damage the warranty logo, otherwise the warranty will be voided.
2. Man-made damage caused by improper operation will not be guaranteed. If you have no experience in this area, please seek professional help. Of course, our online customer service is also happy to help you.
Installation Tips: Heat Dissipation
People tend to ignore heat dissipation, but it’s very important. If you don’t do a good job of cooling, it will cause the chip to overheat and not boot, and the life of the motherboard. Below we provide some examples for reference.
FAQ Self Check
Please make sure your CPU and memory are working properly before testing, you can try it on other computers to make sure they are working properly. Don’t put all accessories on it at once. You can try CPU, memory and screen first.
Whether the Caps lock key works or not is the dividing line between whether the motherboard works or not. If the caps lock key can be toggled, the CPU, memory, and motherboard are basically guaranteed to work. At this time, we must pay attention to the problem of LED display. The most important thing is that all accessories must be disassembled and installed without electricity, otherwise the accessories may be burned.
1. The CAPS LOCK light can be switched normally. Indicates that the motherboard is working. Please check the screen.
2. If the CAPS LOCK light cannot be switched normally. Please check CPU and memory.
Plenty of high-quality stock
We are a professional seller of laptop motherboards for more than 10 years. In China, we have tens of thousands of motherboards in stock and hundreds of wholesale customers from all over the world. We welcome bulk purchases and will offer the most competitive price and quality.
Packaging display
The packaging will be in a special customized box, and the foam pad will wrap the motherboard, shockproof and drop-proof. The package will arrive in your hands intact.
Payment Method
Our store accepts Alipay and Paypal. Onshore RMB payment is available if you frequently buy in China and have an agent in China.
We will welcome you offline bulk purchases and discounts
Shipping Method
We will test and package the motherboard within 2-5 days. Most of your items are shipped for free with AliExpress Standard Shipping. Shipping will take 14-60 days to reach you. We also offer AliExpress Priority Shipping. It takes 7-14 to your hand, but there is some cost for fast shipping.
Please leave a 5 star review
If you are satisfied with our items and services, please give us a positive 5-star feedback, thank you very much.
It is our pleasure to make you satisfied with our projects and services. Please let us know before posting any negative feedback. We can guarantee that we will do our best to make your purchase as pleasant as possible.
Reminder: The motherboard does not come with a BIOS small battery. Please understand because the transportation is not allowed to carry electricity.