Gram 16Z90Q-G.AA78N - Laptop LG - Free user manual and instructions
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| Product Type | Laptop |
| Model | Gram 16Z90Q-G.AA78N |
| Brand | LG |
| Display Size | 16 inches |
| Resolution | 2560 x 1600 (WQXGA) |
| Processor | Intel Core i7-1260P (12th Gen) |
| RAM | 16 GB LPDDR5 |
| Storage | 512 GB NVMe SSD |
| Graphics | Intel Iris Xe Graphics |
| Operating System | Windows 11 Home |
| Weight | 1.19 kg (2.62 lbs) |
| Dimensions (W x D x H) | 355.1 x 243.1 x 16.8 mm (13.98 x 9.57 x 0.66 in) |
| Battery Type | Lithium-ion polymer, 80 Wh |
| Battery Life | Up to 22 hours (video playback) |
| Power Adapter | 65 W USB-C Power Adapter |
| Ports | 2x USB 3.2 Gen2 Type-C, 2x USB 3.2 Gen2 Type-A, 1x HDMI, 1x Headphone/Mic |
| Connectivity | Wi-Fi 6E, Bluetooth 5.1 |
| Webcam | 1080p FHD with IR for Windows Hello |
| Keyboard | Backlit keyboard with numeric keypad |
| Audio | Stereo speakers, DTS:X Ultra |
| Maintenance | Clean with soft dry cloth; avoid liquids |
| Safety | Do not block vents; use original charger |
| Spare Parts & Repairability | Battery and SSD replaceable by authorized service |
| Certifications | MIL-STD-810G compliance (partially) |
Frequently Asked Questions - Gram 16Z90Q-G.AA78N LG
How do I connect the laptop to an external display?
Use the HDMI port or one of the USB-C ports with a compatible adapter. Press Fn + F7 to toggle display modes.
Can I upgrade the RAM or storage?
The RAM is soldered and non-upgradable. The NVMe SSD is replaceable; refer to the service manual for instructions.
How to extend battery life?
Reduce screen brightness, close unused apps, enable battery saver mode, and disable keyboard backlight when not needed.
What should I do if the laptop does not turn on?
Ensure the charger is connected and the LED indicator is on. Press and hold the power button for 10 seconds to reset. If no response, contact support.
Is the laptop suitable for gaming?
It has integrated Intel Iris Xe graphics suitable for light gaming and productivity. For heavy gaming, a dedicated GPU model is recommended.
How to clean the screen without damaging it?
Turn off the laptop and unplug it. Use a soft, lint-free microfiber cloth slightly dampened with water. Wipe gently; do not spray liquid directly.
How to enable the fingerprint reader?
Go to Settings > Accounts > Sign-in options and set up Windows Hello Fingerprint. Follow the prompts to register your fingerprint.
What does the Fn lock do?
Press Fn + Caps Lock to toggle Fn lock. When locked, function keys (F1-F12) work as standard function keys without pressing Fn.
How to update drivers?
Use LG Update & Recovery app pre-installed. Alternatively, download drivers from LG's support website using the model number.
Can I use a USB-C charger other than the original?
Yes, but it must support USB Power Delivery at 65W or higher. Using a lower wattage charger may result in slow charging or not charging under load.
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USER MANUAL Gram 16Z90Q-G.AA78N LG
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Product information
Brand : LG
Model : Gram 16Z90Q-G.AA78N
Category : Laptop