ASUS Z87-C User Manual
![ASUS Z87-C Motherboard manual cover](/images/nKDByhFEEcLKtiBtyCTuMlOg/thumbs/thumb175x175.webp)
To update the BIOS on your ASUS Z87-C motherboard, download the latest BIOS file from the ASUS support website. Save it to a USB drive, restart your computer, and enter the BIOS setup by pressing the 'DEL' key during boot. Use the EZ Flash Utility in the BIOS menu to select the file and update your BIOS.
If your ASUS Z87-C motherboard won't boot, first check all power connections and ensure your RAM and CPU are properly seated. Try clearing the CMOS by removing the battery for a few minutes or using the jumper. If the problem persists, test with different RAM or PSU.
To enable XMP on the ASUS Z87-C motherboard, enter the BIOS by pressing 'DEL' during startup. Navigate to the 'AI Tweaker' tab, find the 'XMP' option, and set it to 'Profile 1'. Save and exit the BIOS to apply the changes.
The ASUS Z87-C motherboard supports a maximum of 32GB of DDR3 RAM across its four DIMM slots, with each slot supporting up to 8GB.
Refer to the motherboard manual for the front panel connector layout. The connectors are usually labeled on the motherboard. Match the labels on the connectors to those on the pins, and ensure the positive and negative pins are correctly aligned.
The ASUS Z87-C motherboard does not have an M.2 slot. However, you can use an M.2 SSD with an adapter card that fits into a PCIe slot. Ensure compatibility with the adapter and SSD before purchasing.
To troubleshoot overheating, ensure all fans are operational and the CPU cooler is properly installed. Clean dust from the heatsinks and fans, and consider reapplying thermal paste on the CPU. Improve airflow in the case by managing cables and adding additional fans if necessary.
The ASUS Z87-C motherboard features one PCIe 3.0/2.0 x16 slot, one PCIe 2.0 x16 slot (x4 mode), and two PCIe 2.0 x1 slots. These slots allow for expansion cards such as GPUs, sound cards, and network cards.
To reset the BIOS settings, power off the computer and disconnect the power cable. Locate the CMOS jumper on the motherboard, move it from the default position to the reset position for a few seconds, then return it to the default position. Alternatively, remove the CMOS battery for a few minutes.
If USB ports are not working, check BIOS settings to ensure USB functionality is enabled. Try updating the motherboard chipset drivers from the ASUS website. If the issue persists, test with different devices and cables, and inspect the ports for physical damage.