Radeon HD7770 1GB - Graphic card GIGABYTE - Free user manual and instructions
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| Product Type | Graphics Card |
| Brand | Gigabyte |
| Model | Radeon HD7770 1GB |
| GPU | AMD Radeon HD 7770 |
| Memory | 1 GB GDDR5 |
| Memory Interface | 128-bit |
| Core Clock | 1000 MHz (base) |
| Memory Clock | 4500 MHz (effective) |
| Bus Interface | PCI Express 3.0 x16 |
| Outputs | 1x HDMI, 1x DisplayPort, 2x DVI-D |
| Maximum Resolution | 4096x2160 (via DisplayPort) |
| Dimensions | Approx. 230 x 113 x 38 mm |
| Weight | Approx. 450 g |
| Power Connectors | 1x 6-pin PCIe |
| Recommended PSU | 450 W |
| Power Consumption (TDP) | 80 W |
| Cooling | Active fan heatsink |
| DirectX Support | 11.1 |
| OpenGL Support | 4.3 |
| Maintenance | Use compressed air to clean fan and heatsink. Avoid liquids. |
| Safety | Install in an anti-static environment. Ensure proper grounding. Use PSU with sufficient wattage. |
| Spare Parts / Repairability | Not user-serviceable. Contact Gigabyte support for repairs. |
| Warranty | Typically 2-3 years (check local terms) |
Frequently Asked Questions - Radeon HD7770 1GB GIGABYTE
How do I install the Gigabyte Radeon HD7770 1GB graphics card?
Turn off your computer, unplug the power cable, and open the case. Insert the card into the PCIe x16 slot, secure it with screws, and connect the 6-pin power cable. Close the case, plug in power, and start the system. Install the latest drivers from AMD's website.
What drivers do I need for this card?
You need the AMD Radeon Software Adrenalin driver package suitable for the HD 7770. Download from the AMD support site or use the optional Gigabyte driver disk. For Windows 10/11, use legacy drivers (e.g., version 15.7.1 or newer compatible).
Can I overclock the Gigabyte Radeon HD7770 1GB?
Yes, you can use software like AMD Overdrive (in Catalyst Control Center) or third-party tools like MSI Afterburner. Increase core clock and memory clock gradually while monitoring temperatures. Keep below 85°C for safe operation.
What is the maximum temperature for the Radeon HD7770?
The maximum safe operating temperature is around 95°C (core). However, for longevity, keep it under 85°C under load. The card will throttle if overheated.
How do I connect multiple monitors?
The card supports up to 3 monitors simultaneously. Connect monitors to the available HDMI, DisplayPort, or DVI ports. Use active adapters if needed (e.g., DisplayPort to VGA). Configure in AMD Radeon Settings.
What power supply do I need for the Radeon HD7770?
A 450W power supply is recommended. Ensure it has one 6-pin PCIe power connector. Good quality PSUs from brands like Corsair, EVGA, or Seasonic are advised.
Is the Gigabyte HD7770 compatible with my motherboard?
It requires a PCI Express 3.0 x16 slot (backward compatible with 2.0/1.0). Check that your motherboard has a free x16 slot and enough physical space. Most modern motherboards are compatible.
How do I clean the graphics card?
Power off and unplug the system. Remove the card and use compressed air to blow dust from the fan and heatsink. Hold the fan blades to prevent spinning. Do not use liquids. Reinstall after cleaning.
What is the warranty period for Gigabyte graphics cards?
Gigabyte typically offers a 3-year warranty for graphics cards (may vary by region and retailer). Register your product on Gigabyte's website for support. Warranty does not cover damage from overclocking or physical damage.
My card is not displaying anything. What should I do?
Check that the card is fully seated in the slot, the 6-pin power is connected, and the monitor cable is attached to the card (not motherboard). Ensure PSU is sufficient. Try reseating the card or testing in another PCIe slot. If still no display, test with another known working GPU.
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