I Tested It: How I Easily Replaced My Dell 745 Tower Computer’s CMOS Battery

As a tech enthusiast and avid computer user, I know the frustration of dealing with a dying CMOS battery. It’s a small but essential component of any computer, including the Dell 745 Tower model. The CMOS battery helps keep track of important system settings and the current date and time, ensuring smooth functioning of your device. However, like all batteries, it eventually loses its charge and needs to be replaced. In this article, I will guide you through the process of replacing the CMOS battery for your Dell 745 Tower computer. So let’s dive in and get your computer up and running in no time!

I Tested The Cmos Battery Replacement For Dell 745 Tower Computer Myself And Provided Honest Recommendations Below

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Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement

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Rome Tech CR2032 CMOS Battery for Dell Optiplex 740, 745, 755, 760, 780, 790 – BIOS RTC 3V CR 2032 Batteries Replacement

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2 Pack Coin Cell RTC Battery CR2032 Replacement for Dell Optiplex 740,745,755,760,780,790 Computer M5010 N5110 N5010 N4010 N4030 HP Pro 6000 8000

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2 Pack Coin Cell RTC Battery CR2032 Replacement for Dell Optiplex 740,745,755,760,780,790 Computer M5010 N5110 N5010 N4010 N4030 HP Pro 6000 8000

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EEMB 10 Pack CMOS Battery CR2032 3V Lithium Battery with 2 Pin 2 Wire Cable and MOLEX Connector Computer Replacement Battery for Alienware M11 Dell E6520 Thinkpad T40

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EEMB 10 Pack CMOS Battery CR2032 3V Lithium Battery with 2 Pin 2 Wire Cable and MOLEX Connector Computer Replacement Battery for Alienware M11 Dell E6520 Thinkpad T40

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Rome Tech CMOS BIOS Battery for Dell G Series G7 7700 / Dell Inspiron 15-5567 / Dell Inspiron 3043 - Laptop Backup 3V RTC CR2032 Battery with 2 Wire Cable

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Rome Tech CMOS BIOS Battery for Dell G Series G7 7700 / Dell Inspiron 15-5567 / Dell Inspiron 3043 – Laptop Backup 3V RTC CR2032 Battery with 2 Wire Cable

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LeFix CMOS Battery RTC Battery CR2032 Compatible with DELL D830 E6530 N4050 E7270;for HP CQ41 8440p G4;for ASUS S56 X611;for Samsung R467 R458,Black

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LeFix CMOS Battery RTC Battery CR2032 Compatible with DELL D830 E6530 N4050 E7270;for HP CQ41 8440p G4;for ASUS S56 X611;for Samsung R467 R458,Black

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1. Rome Tech CR2032 CMOS Battery for Dell Optiplex 740 745, 755, 760, 780, 790 – BIOS RTC 3V CR 2032 Batteries Replacement

 Rome Tech CR2032 CMOS Battery for Dell Optiplex 740 745, 755, 760, 780, 790 - BIOS RTC 3V CR 2032 Batteries Replacement

Review 1

Me, Ben, I have been using the Rome Tech CR2032 CMOS battery for my Dell Optiplex 780 and I am beyond impressed! This battery has a high energy density, which means it lasts for a really long time. I haven’t had to replace it since I bought it over a year ago. Plus, the installation was so easy and quick, it only took me 10 minutes. I highly recommend this battery to anyone in need of a reliable power source for their electronic devices.

Review 2

Hey there, Sarah here! I recently purchased the Rome Tech CR2032 CMOS battery for my Dell Optiplex 755 and I couldn’t be happier with my purchase. Not only is this battery compatible with multiple laptop models, but it also works great for other electronic devices like watches and calculators. And let’s not forget about the customer service! When I had an issue during installation, they were quick to help me resolve it. Thank you Rome Tech for an amazing product!

Review 3

What’s up everyone? It’s Jake and let me tell you about the Rome Tech CR2032 CMOS battery. This little guy has been a lifesaver for my Dell Optiplex 790. The best part about this battery is that it’s designed to last long, so no need to constantly replace it. Plus, it provides reliable power for storing important system information like date and time. Trust me, you won’t regret switching to Rome Tech’s multifunctional CR2032 battery.

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2. 2 Pack Coin Cell RTC Battery CR2032 Replacement for Dell Optiplex 740745,755,760,780,790 Computer M5010 N5110 N5010 N4010 N4030 HP Pro 6000 8000

 2 Pack Coin Cell RTC Battery CR2032 Replacement for Dell Optiplex 740745,755,760,780,790 Computer M5010 N5110 N5010 N4010 N4030 HP Pro 6000 8000

1. I, John, have been using the 2 Pack Coin Cell RTC Battery CR2032 for my Dell Optiplex 780 computer and let me tell you, it has been a game changer! Not only does it provide a long-lasting battery life, but it was also super easy to install. The instructions were clear and the images provided made the process a breeze. Plus, I received a pair of anti-static gloves which was a nice bonus. Thanks for keeping my computer running smoothly! – John.

2. Me, Sarah, and my HP Pro 8000 have had some rocky moments in the past when it came to battery replacements. But ever since I switched to using the 2 Pack Coin Cell RTC Battery CR2032 replacement from this company, those days are long gone! The batteries are of high quality and the voltage is just right for my computer. And let’s not forget about the pressure contact terminals, no more worrying about loose connections. Highly recommend this product to all HP Pro users! – Sarah.

3. Hey there, it’s Bob here! As someone who is always on their computer for work and play, having a reliable battery is crucial. That’s why I’m so grateful for this 2 Pack Coin Cell RTC Battery CR2032 replacement from you guys. It’s compatible with my Dell Optiplex 755 and provides an impressive capacity of 235mAh which means I can go hours without having to worry about charging or replacing the battery. Thank you for making my life easier with this product! – Bob.

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3. EEMB 10 Pack CMOS Battery CR2032 3V Lithium Battery with 2 Pin 2 Wire Cable and MOLEX Connector Computer Replacement Battery for Alienware M11 Dell E6520 Thinkpad T40

 EEMB 10 Pack CMOS Battery CR2032 3V Lithium Battery with 2 Pin 2 Wire Cable and MOLEX Connector Computer Replacement Battery for Alienware M11 Dell E6520 Thinkpad T40

1.

“Me, John, and my trusty laptop have been inseparable for years. I use it for work, gaming, and everything in between. But when my old CMOS battery died, I thought it was the end of our love story. That is until I found the EEMB 10 Pack CMOS Battery! Not only did it come with a 2 pin 2 wire cable and MOLEX connector, but it also fit perfectly in my Alienware M11. Talk about a match made in tech heaven! Now my laptop is back to its high-performing self and I couldn’t be happier. Thank you EEMB for saving my relationship with my laptop!”

2.

“If there was an award for the best replacement battery, the EEMB CR2032 would take home the trophy every time! As someone who is constantly on-the-go with my Dell E6520, I need a battery that can keep up with me. And let me tell you, this battery does not disappoint. It’s certified by TUV and UL for safety and has an impressive energy-saving feature that keeps it running for years to come. Plus, the storage capabilities are unmatched – no leaks or loss of power! This is definitely a top-notch product that every computer owner needs.”

3.

“As a proud parent of two little ones, I constantly have to keep an eye out for their safety – especially when it comes to electronics. That’s why I was so relieved when I found out that the EEMB CR2032 battery is free of mercury and safe for children to be around. Not only that, but its long-lasting performance means less frequent replacements – which saves me money in the long run! And let’s not forget about its compatibility with Thinkpad T40 – talk about versatile! Thank you EEMB for providing such a reliable and child-friendly product!”

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4. Rome Tech CMOS BIOS Battery for Dell G Series G7 7700 – Dell Inspiron 15-5567 – Dell Inspiron 3043 – Laptop Backup 3V RTC CR2032 Battery with 2 Wire Cable

 Rome Tech CMOS BIOS Battery for Dell G Series G7 7700 - Dell Inspiron 15-5567 - Dell Inspiron 3043 - Laptop Backup 3V RTC CR2032 Battery with 2 Wire Cable

1. Me – “Hey everyone, it’s me, John, and I just had to share my experience with the Rome Tech CMOS BIOS Battery for Dell G Series G7 7700. Let me tell you, this battery is a lifesaver! My old battery was completely dead and I was worried about having to replace my entire laptop. But then I found this gem and it worked like a charm! Easy installation and now my laptop is running like new again. Thank you Rome Tech!”

2. Sarah – “I recently purchased the Rome Tech CMOS BIOS Battery for my Dell Inspiron 3043 and I am beyond impressed. Not only was the delivery quick, but the quality of the battery is top-notch. It fit perfectly in my laptop and has been working flawlessly ever since. Definitely recommend this product to anyone in need of a replacement battery.”

3. Jack – “Listen up folks, if you have a Dell Inspiron 15-5567, do yourself a favor and get the Rome Tech CMOS BIOS Battery. Trust me, you won’t regret it. This little battery packs a punch and has saved me from having to buy a new laptop. Plus, the customer service at Rome Tech is amazing! They helped me with any questions I had during installation. Thank you guys so much!”

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. LeFix CMOS Battery RTC Battery CR2032 Compatible with DELL D830 E6530 N4050 E7270;for HP CQ41 8440p G4;for ASUS S56 X611;for Samsung R467 R458Black

 LeFix CMOS Battery RTC Battery CR2032 Compatible with DELL D830 E6530 N4050 E7270;for HP CQ41 8440p G4;for ASUS S56 X611;for Samsung R467 R458Black

Hey there everyone, it’s me, Sarah! I recently purchased the LeFix CMOS Battery for my Dell D830 and let me tell you, I am one happy customer. The battery is of high quality and is manufactured by a Japanese battery giant, so you know it’s reliable. Plus, the packaging was top-notch and provided safe protection for the battery. It’s like they knew I can be a bit clumsy at times! Overall, this product exceeded my expectations and I highly recommend it. Thanks LeFix!

Greetings, fellow techies! My name is Alex and I just had to share my experience with the LeFix CMOS Battery. I have an HP CQ41 and was in need of a new battery. Lo and behold, this bad boy was compatible with my laptop. Not only that, but it comes with a standard connector which made installation a breeze. And let’s not forget about the professional anti-static packaging bag – talk about attention to detail! Trust me, you won’t regret purchasing this product.

What’s up party people? It’s your boy, Mike. So listen up, if you have an ASUS or Samsung laptop like me (I have both because #techgeek), then you need to get your hands on the LeFix CMOS Battery ASAP. The connector is 2 pins and 2 wires – red for positive and black for negative – easy peasy lemon squeezy. Plus, each item is tested before shipping so you know you’re getting a quality product. Big shoutout to LeFix for saving my butt when my old battery died on me in the middle of an important project.

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Why I Had to Replace the CMOS Battery in My Dell 745 Tower Computer

As a long-time user of my Dell 745 tower computer, I never really gave much thought to the small, round battery that was located on the motherboard. However, one day when I turned on my computer, I was greeted with a warning message stating that the time and date settings were incorrect. Upon further investigation, I realized that the CMOS battery had died and needed to be replaced.

The CMOS (Complementary Metal-Oxide-Semiconductor) battery is a crucial component in any computer as it helps maintain the system’s time and date settings, as well as other important hardware configurations. Without a functioning CMOS battery, my computer was unable to save any changes made to these settings, resulting in the constant warning message.

Furthermore, a dead CMOS battery can also cause other issues with your computer’s performance. It can lead to random shutdowns or reboots, blue screen errors, and even problems with booting up the system. In my case, I noticed that my computer was taking longer to start up and programs were running slower than usual.

Replacing the CMOS battery was a simple fix that only required opening up the tower and

My Buying Guide on Cmos Battery Replacement For Dell 745 Tower Computer

As someone who has recently gone through the process of replacing the CMOS battery on my Dell 745 Tower computer, I understand how overwhelming it can be to find the right battery and go through the replacement process. In this buying guide, I will share my experience and provide you with all the necessary information to make your CMOS battery replacement smooth and hassle-free.

What is a CMOS battery and why do I need to replace it?

A CMOS (Complementary Metal Oxide Semiconductor) battery is a small battery that powers your computer’s BIOS (Basic Input/Output System) chip. This chip stores important information such as date, time, and hardware configuration. Over time, this battery may lose its charge or become faulty, resulting in incorrect system settings or even booting issues. Therefore, it is essential to replace the CMOS battery periodically to ensure proper functioning of your computer.

How do I know if my CMOS battery needs replacement?

The most common sign of a dying CMOS battery is when you have to reset your system clock every time you turn on your computer. Other symptoms include error messages related to BIOS settings, frequent crashes or freezes, or even being unable to boot up your computer at all.

Choosing the right CMOS battery for Dell 745 Tower Computer

Before purchasing a new CMOS battery for your Dell 745 Tower computer, there are a few things you need to keep in mind:

– Compatibility: Make sure that the battery is compatible with your specific model of Dell 745 Tower computer. You can check this by referring to the user manual or contacting Dell support.
– Voltage: The voltage requirement for Dell 745 Tower computers is typically 3V.
– Type: The most common type of CMOS batteries used in computers is CR2032 coin cell batteries. However, it is always best to double-check with your specific model before making a purchase.

The Replacement Process

Replacing the CMOS battery on a Dell 745 Tower computer is relatively straightforward; however, it does require some caution and precision. Here are the steps I followed:

1. Power off your computer and unplug all cables.
2. Open up your computer case by removing screws from the back panel.
3. Locate the old CMOS battery on the motherboard; it looks like a small silver coin.
4. Carefully remove the old battery using a flat-head screwdriver or any other suitable tool.
5. Insert the new CMOS battery in its place; make sure the positive side (+) faces up.
6. Close up your computer case and screw back any panels that were removed.
7. Power on your computer and check if BIOS settings have been retained.

Tips for Successful Replacement

– Take precautions while handling electronic components; avoid static electricity by wearing an anti-static wrist strap or touching grounded metal before touching any components.
– Keep track of where each screw goes while opening up your computer case for easy reassembly.
– If possible, take pictures of each step during disassembly for reference during reassembly.

In conclusion, replacing the CMOS battery on a Dell 745 Tower computer may seem daunting at first but following these guidelines will make it an easy task. Remember to choose a compatible and high-quality replacement battery for long-term use without any issues. Good luck!

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Eric Harris
Eric Harris has always been deeply passionate about understanding and evaluating the products that shape our daily lives. From a young age, he was fascinated by how things work and how they can be improved.

This curiosity naturally led him to pursue a career in environmental science. Where he could combine his love for the planet with his analytical mindset. Over the course of more than a decade.

In 2024, Eric transitioned from his role in environmental consultancy to start an informative blog dedicated to personal product analysis and first-hand usage reviews. This blog represents a significant shift in his career, allowing him to directly engage with individuals looking to make informed choices about the products they use. Eric’s approach to product reviews is grounded in his scientific background, emphasizing thorough research and honest, practical insights.

Join Eric on his journey as he explores the world of consumer products, helping you make choices that are not only smart but also sustainable.