What to do if my Acer Aspire M3400 makes one long beep and two short beeps then repeat?
If your Acer Desktop is emitting one long beep followed by two short beeps repeatedly, it could indicate a problem with the graphics card. Ensure the graphics card is correctly installed. If the issue persists, try replacing it with a known good graphics card to resolve the problem.
How to fix continuous long beep on Acer Aspire M3400?
A continuous long beep on your Acer Desktop usually points to a memory issue. This could mean that the memory is either not installed correctly or is faulty. You should check the memory installation first. If that doesn't work, replace the memory module with one that is known to be working.
What to do if Acer Desktop beeps twice?
Two short beeps from your Acer Desktop usually indicate a problem with the CMOS. This could mean that the CMOS is damaged. Try replacing the CMOS battery or resetting the CMOS settings to resolve this issue.
Notes on ordering FRU parts, checking regional web for updates, and using local FRU lists.
Summary of computer features: OS, processor, chipset, memory, and PCB.
Details on processor type, socket, and supported CPU.
Information on North Bridge (NB) and South Bridge (SB) chipsets.
Details the PCB form factor and dimensions.
Specs for memory slots, type, voltage, and max supported memory.
Details on SATA port support, drive size, and model listings.
Specs for ODD support, types, depth, and model listings.
Notes on support for double slot, full length graphics cards in PCIe x16 slot.
Info on integrated graphics solution and output ports.
Details on audio codec, connectors, and compatibility.
Specs for SATA connectors, ports, and supported storage types like RAID.
Details the Gigabit Ethernet controller and RJ-45 port.
Info on USB port quantity, rear ports, and onboard/front headers.
Details on PCIe and PCI slot support.
Lists all connectors available on the rear panel.
Lists various connectors found directly on the motherboard.
Information about the BIOS size and kernel.
Specs for power supply wattage, efficiency, and design.
Illustrates system components and their interconnections.
A tour of the system's interior and exterior components.
Identifies and describes components on the front of the computer.
Identifies and describes components on the rear of the computer.
Details processor, BIOS, hotkey list, and major motherboard chips.
Specifies processor type, socket, and minimum operating speed.
Details BIOS programmer, version, ROM type/size, protocol, and boot support.
Lists hotkeys and their functions for BIOS setup.
Lists major chips on the motherboard and their specifications.
Table showing memory slot configurations and total memory.
Specs for memory slots, size per socket, type, voltage, and module package.
Details audio controller, channel, function, compatibility, and sampling rate.
Details the SATA controller, channel number, and support modes.
Details USB universal HCI, class, and connector quantity.
Specifies operating/non-operating temp, humidity, and vibration limits.
Table showing power management states (S1-S5) for various devices.
Explains ACPI states like Device Standby, Global Standby, Suspend Mode, and ACPI features.
Explains the CMOS Setup Utility for hardware configuration.
Steps to turn on server and press Delete during POST to enter BIOS Setup.
Explains keys for moving around the setup utility and their functions.
Overview of main setup categories in the CMOS Setup Utility.
Displays basic system info: CPU type, speed, memory size.
Allows setting system date, time, and halt on error options.
Options for quick boot, quiet boot, boot device priority, and USB beep message.
Settings for AMD Cool'n'Quiet, AMD-V, ASF, Primary Video, and Surround View.
Config for onboard SATA, USB, Graphics, Audio, and LAN controllers.
Config for ACPI states, deep power off, and wake-up events.
Displays system temp, fan speed, and voltage readings.
Allows enabling/disabling Spread Spectrum for EMI reduction.
Allows setting supervisor and user passwords for system security.
Loads default BIOS setup parameters for optimal performance.
Saves configuration changes and exits the BIOS Setup Utility.
Discards configuration changes and exits the BIOS Setup Utility.
Lists necessary tools for disassembling the computer.
Steps to perform before starting the disassembly process.
Instructions and images for removing the computer's side panel.
Steps to disconnect and remove the heat sink fan assembly.
Instructions for safely removing the CPU from its socket.
Steps to release and remove DIMM memory modules from slots.
Instructions for releasing the slot lock and removing the VGA card.
Procedure for gently pulling the Mode card to remove it from the mainboard.
Steps to disconnect LED cables and release the front bezel.
Instructions for removing rear USB board, including cable and screw removal.
Steps to disconnect cables, remove HDD bracket, and slide out HDD module.
Instructions for disconnecting cables and removing the optical drive.
Procedure for removing various power, data, and USB cables from the motherboard.
Steps to remove the HDD rail, screws, and the HDD bay.
Instructions for disconnecting power cables and removing the power supply unit.
Steps to remove eight screws and lift the mainboard from the chassis.
Instructions for removing the Real-Time Clock (RTC) battery.
Guidelines for performing diagnostic tests on Acer products.
Procedures for checking system power and external/internal components.
Checks power cable connection and voltage selector switch.
Inspects front panel LEDs, airflow, and potential shorts.
Checks component seating, cable connections, and compatibility.
Explains beep codes indicating serious or fatal errors during POST.
Explains checkpoints output by BIOS during POST for debugging.
Describes checkpoints during bootblock initialization phase of BIOS.
Describes checkpoints during BIOS recovery when issues occur.
Steps to perform BIOS recovery using USB disk and specific key presses.
Diagram showing the placement of various jumpers and connectors on the motherboard.
Explains how to set motherboard jumpers for system configuration.
Defines pins for CPU FAN, SYS FAN, and CLEAR CMOS headers.
Pinout and function for the System Recover HEADER.
Pinout and signal names for front USB headers.
Pinout and signal names for front panel audio header.
Pinout and signal names for front 1394 header.
Pinout and signal names for the front panel header.
Pinout and signal names for the TPM header.
Pinout and signal names for the LPT printer header.
Pinout and signal names for the internal speaker header.
Pinout and signal names for SPDIF out headers.
Pinout and signal names for the COM2 serial port.
Pinout and signal names for USB_X4 connector.
Pin definitions for LAN and USB connectors.
Details pinouts for audio connectors on the back panel.
Pinout and signal names for AUDIO1A MIC connector.
Pinout and signal names for AUDIO1B Line in connector.
Pinout and signal names for AUDIO1C Line out connector.
Details pinouts for IDE and SATA connectors.
Pinout and signal names for 40-pin IDE headers.
Pinout and signal names for 1x7-pin SATA headers.
Pinout and signal names for VGA connector.
Pinout and signal names for HDMI connector.
Pinout and signal names for DVI-D connector.
Pinout and signal names for PS2 connectors.
Pinout and signal names for COM serial port.
Exploded view diagram of chassis assembly and its components.
Exploded view diagram of chassis assembly and its components.
List of Field Replaceable Units (FRUs) with part numbers and Acer P/N.
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