&lt;h2&gt;&lt;strong data-start=&quot;238&quot; data-end=&quot;285&quot;&gt;DELL 5521 / 3521 Pentium Laptop Motherboard&lt;/strong&gt;&lt;/h2&gt;&lt;p data-start=&quot;287&quot; data-end=&quot;714&quot;&gt;The &lt;strong data-start=&quot;291&quot; data-end=&quot;338&quot;&gt;&lt;a href=&quot;https://www.dearit.com.bd/dell-5521-3521-pentium-laptop-motherboard&quot; target=&quot;_blank&quot;&gt;DELL 5521 / 3521 Pentium Laptop Motherboard&lt;/a&gt;&lt;/strong&gt; is a genuine replacement board designed for Dell Inspiron 5521 and 3521 laptops running Intel Pentium processors. If your original motherboard is faulty, dead, liquid-damaged, or causing slow performance, this replacement helps restore smooth system operation, stable speed, and reliable booting — ideal for basic computing, browsing, YouTube, office tasks, and everyday use.&lt;/p&gt;&lt;p data-start=&quot;716&quot; data-end=&quot;1084&quot;&gt;Supporting DDR3 RAM (4 GB–8 GB–16 GB depending on modules), this Pentium motherboard offers dependable performance for light-to-moderate daily workloads. With integrated Intel HD Graphics, it delivers clear visuals for videos, presentations, browsing, and basic graphics needs. Built using durable components, it ensures long-term stability and consistent performance.&lt;/p&gt;&lt;p data-start=&quot;1086&quot; data-end=&quot;1109&quot;&gt;&lt;strong data-start=&quot;1086&quot; data-end=&quot;1107&quot;&gt;Compatible Models&lt;/strong&gt;&lt;/p&gt;&lt;ul data-start=&quot;1110&quot; data-end=&quot;1191&quot;&gt;
&lt;li data-start=&quot;1110&quot; data-end=&quot;1151&quot;&gt;
&lt;p data-start=&quot;1112&quot; data-end=&quot;1151&quot;&gt;Dell Inspiron 5521 (Pentium variants)&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1152&quot; data-end=&quot;1191&quot;&gt;
&lt;p data-start=&quot;1154&quot; data-end=&quot;1191&quot;&gt;Dell Inspiron 3521 (Pentium variants)&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;&lt;p data-start=&quot;1193&quot; data-end=&quot;1244&quot;&gt;&lt;strong data-start=&quot;1193&quot; data-end=&quot;1242&quot;&gt;Part Numbers (May include but not limited to)&lt;/strong&gt;&lt;/p&gt;&lt;ul data-start=&quot;1245&quot; data-end=&quot;1320&quot;&gt;
&lt;li data-start=&quot;1245&quot; data-end=&quot;1282&quot;&gt;
&lt;p data-start=&quot;1247&quot; data-end=&quot;1282&quot;&gt;5521 / 3521 Pentium series boards&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1283&quot; data-end=&quot;1320&quot;&gt;
&lt;p data-start=&quot;1285&quot; data-end=&quot;1320&quot;&gt;Exact part number may vary by batch&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;&lt;p data-start=&quot;1322&quot; data-end=&quot;1342&quot;&gt;&lt;strong data-start=&quot;1322&quot; data-end=&quot;1342&quot;&gt;Maintenance Tips&lt;/strong&gt;&lt;/p&gt;&lt;ul data-start=&quot;1344&quot; data-end=&quot;1619&quot;&gt;
&lt;li data-start=&quot;1344&quot; data-end=&quot;1393&quot;&gt;
&lt;p data-start=&quot;1346&quot; data-end=&quot;1393&quot;&gt;Install using proper anti-static precautions.&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1394&quot; data-end=&quot;1450&quot;&gt;
&lt;p data-start=&quot;1396&quot; data-end=&quot;1450&quot;&gt;Use compatible Intel Pentium processor and DDR3 RAM.&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1451&quot; data-end=&quot;1503&quot;&gt;
&lt;p data-start=&quot;1453&quot; data-end=&quot;1503&quot;&gt;Clean cooling vents and internal dust regularly.&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1504&quot; data-end=&quot;1561&quot;&gt;
&lt;p data-start=&quot;1506&quot; data-end=&quot;1561&quot;&gt;Keep BIOS and drivers updated for better performance.&lt;/p&gt;
&lt;/li&gt;
&lt;li data-start=&quot;1562&quot; data-end=&quot;1619&quot;&gt;
&lt;p data-start=&quot;1564&quot; data-end=&quot;1619&quot;&gt;Avoid heat and moisture to extend motherboard lifespan.&lt;/p&gt;
&lt;/li&gt;
&lt;/ul&gt;&lt;p&gt;








&lt;/p&gt;&lt;p data-start=&quot;1621&quot; data-end=&quot;1895&quot;&gt;&lt;strong data-start=&quot;1621&quot; data-end=&quot;1662&quot;&gt;Buying Information – Dear IT Solution&lt;/strong&gt;&lt;br data-start=&quot;1662&quot; data-end=&quot;1665&quot;&gt;
Buy the &lt;strong data-start=&quot;1673&quot; data-end=&quot;1720&quot;&gt;&lt;a href=&quot;https://www.dearit.com.bd/&quot; target=&quot;_blank&quot;&gt;DELL 5521 / 3521 Pentium Laptop Motherboard&lt;/a&gt;&lt;/strong&gt; at the best price in Bangladesh from Dear IT Solution. We provide genuine products, fast delivery, and trusted after-sales support — ensuring your laptop runs smoothly again.&lt;/p&gt;