Asus Vivobook X515 Not Charging? Causes, Safe Checks & Chip-Level Laptop Service in Chennai – Ram Infotech

"Sir, my Asus Vivobook is plugged in, but the battery is stuck at 0%." Our technicians hear this a lot, from college students in Tambaram to IT staff on OMR/Thoraipakkam. The Asus Vivobook 15 X515 is one of the most popular budget laptops in Chennai, so a "not charging" problem with it is something we deal with almost every week.

The good news is that you can usually fix a charging problem without buying a new laptop. Here's what is usually wrong, what you can safely check at home, and how Ram Infotech Laptop Service repairs it at chip level.

Common Symptoms of an Asus X515 Not Charging

• The charging LED near the port doesn't light up when the adapter is connected
• Windows shows "Plugged in, not charging"
• The battery percentage goes down even while the charger is connected
• The laptop runs only on the adapter and switches off as soon as you unplug it
• Charging works only when you hold the pin at a certain angle
• The adapter or the area around the DC jack gets unusually hot
• The laptop won't power on at all, even with the charger plugged in

Know Your Charger: X515 Adapter & Battery Basics

Most Asus Vivobook 15 X515 variants (X515EA, X515JA, X515MA and others) use the Asus 45W adapter (19V, 2.37A) with a small round 4.0 mm pin (1.35 mm inner). Asus lists the X515 series as compatible with its AD45-00B 45W adapter. The internal battery is usually a 2-cell, 37Wh Li-Polymer pack (7.7V), with part numbers such as C21N1818-2 / 0B200-03910000.

Variants can differ, so always check the label on your adapter and the bottom of your laptop before you buy a replacement. A wrong voltage or a cheap local charger is one of the most common causes of charging trouble we see.

Likely Causes

1. Faulty or Duplicate Adapter

Cut or bent cables, a loose pin or a failed adapter brick top the list. Low-quality duplicate chargers may not supply steady power, and the laptop can refuse to charge from them.

2. Loose or Damaged DC Jack (Charging Port)

The X515 has a small pin, and it gets stressed every day, especially when the laptop is used on the lap or the cable gets pulled. Over time the DC jack can loosen, its solder joints can crack, or the pin inside can break.

3. Weak or Dead Battery

Batteries wear out with age and charge cycles. A battery that has deeply discharged or swollen may stop taking charge altogether. A swollen battery is a safety risk, so stop using the laptop and bring it in.

4. Charging IC / Motherboard (Chip-Level) Fault

If the adapter and battery are fine, the fault is usually on the motherboard: the charging IC, power MOSFETs, fuses or the related circuit. Power surges, a wrong charger and moisture (very common during the Chennai monsoon) can damage these parts.

5. BIOS / Driver or Battery Settings

Sometimes the battery is fine and the cause is software, such as a charge-limit setting in MyASUS or an outdated BIOS or battery driver.

Safe Checks You Can Do at Home

1. Try another wall socket, and check the adapter's own indicator if it has one.
2. Inspect the cable and pin for cuts, bends or burn marks. Don't use a damaged adapter.
3. Check the label: it should match 19V and 2.37A/45W, or whatever your laptop's label says.
4. Check MyASUS: look for a "Battery Health Charging" mode that stops charging at 60% or 80%. That limit is normal and doesn't mean a fault.
5. Update the BIOS and drivers from the official Asus support site.
6. Do a power reset: shut down, unplug the adapter, hold the power button for about 40 seconds, then reconnect and try again.

Please don't open the laptop yourself, push the pin in with force, or keep using a swollen battery or a hot, smelly charger.

How Ram Infotech Diagnoses & Repairs It

At Ram Infotech Laptop Service Chennai, we have been repairing laptops since 2007 and have serviced more than 2 lakh laptops. Our technicians work step by step:

• Adapter test: we check the output with a meter and test with a known-good 45W Asus adapter.
• DC jack check: we look for a loose jack, cracked solder or a broken pin, then resolder or replace the jack.
• Battery health check: we measure the battery's condition and compare it against a known-good battery.
• Chip-level motherboard diagnosis: we trace the charging circuit to find a failed charging IC, MOSFET or fuse, then repair or replace that part on our chip-level bench.
• Final testing: we test charging, battery percentage and stability before we hand the laptop back.

Before we start any work, we give you a clear explanation of the fault and the estimate.

FAQ

Can I use a 65W charger on my Asus X515? Asus specifies a 45W adapter for most X515 models. Use the rating printed on your laptop's label and stick to genuine or good-quality adapters with the correct pin size.

My laptop works on the adapter but the battery shows 0%. Is the battery dead? It could be the battery, but the charging circuit can cause the same symptom. Get it tested before you buy a new battery.

Is a loose charging port repairable? Yes. In most cases we resolder or replace the DC jack. We'll confirm after we inspect it.

Will I lose my data? Charging repairs don't normally touch your storage, but we always recommend keeping a backup.

Asus Vivobook X515 Charging Repair Near You in Chennai

Whether you are in Vadapalani, Anna Nagar, Kolathur, Villivakkam, Adyar, Velachery, Madipakkam, Porur, Ambattur, Tambaram, Guduvanchery or OMR/Thoraipakkam, there's a Ram Infotech branch close by. We have 10 branches across Chennai.

📞 Call: 98405 15411 | 💬 WhatsApp: 98418 14405 🌐 Website: http://www.raminfotechlaptopservice.com/

Find your nearest Ram Infotech branch on Google Maps

1. Vadapalani (Head Office)
2. Adyar
3. Porur
4. Ambattur
5. OMR
6. Velachery
7. Madipakkam
8. Tambaram
9. Guduvanchery
10. Villivakkam