If you're an Acer laptop user, you may have encountered beep codes during start up or while using your laptop. Beep codes are diagnostic messages that indicate hardware issues with your computer.
In this blog post, we'll outline the most common beep codes and what they mean. We'll also provide tips on how to fix these issues.
So, if you're experiencing any beeping noises on your Acer laptop, keep reading!
What Are Acer Beep Codes?
Acer beep codes are diagnostic indicators used to help identify hardware failures. Each code is unique to the particular hardware component, and can be used to troubleshoot issues with that specific component.
There are a few different sets of Acer beep codes in use, so it's important to consult the appropriate documentation for your particular model of computer.
Acer Beep Codes Relationship With Hardware Issues
Beep codes can be useful when troubleshooting hardware issues, as they can help pinpoint the specific component that is causing the problem.
However, it's important to note that not all hardware failures will generate a beep code. In some cases, other indicators may be present, such as error messages on the screen or strange behavior from the computer.
If you're unsure whether or not a beep code is being generated, it's always best to inspect your computer closely to confirm.
Identify The Beep Codes On Your Acer Laptop
If you do hear beep codes, it's important to take note of the specific pattern of beeps, as this can help identify the issue.
Acer beep codes are typically short - one or two quick beeps - but some may be longer or more complex. Once you've determined the pattern, you can consult a guide to find out what the codes mean.
If you think you're hearing Acer beep codes, the first step is to try and identify the pattern. If you're unsure, it's always best to seek professional help.
Once you've determined the pattern, you can consult a guide to find out what the codes mean and how to resolve the issue.
Acer Beep Codes Symptoms
These are the symptoms:
- 3 Beeps – Ram failure.
- 4 Short – System timer failure.
- 2 Beeps – Parity Circuit failure.
- 1 Short – DRAM refresh failure.
- 1 Long – Extended RAM Failure.
- 1 Long 1 Short – RAM failure.
- 3 Long 2 Shorts – Memory Failure.
- 1 Long, 2 Short – DRAM or circuit failure.
- 1 Short Beep, No Display – Display test failed.
How To Fix Acer Beep Codes
Here's how:
Reset CMOS Battery
If you are receiving Acer beep codes, it could be because your CMOS battery needs to be reset. The CMOS battery helps to keep all of your computer's settings stored and remembered, so if it becomes dislodged or dies, it can cause problems.
Resetting the battery is a relatively simple process, and should only take a few minutes. Once you have reset the battery, your Acer beep codes should no longer be an issue.
To reset your CMOS batter, you will first need to locate it. The battery is usually found near the CMOS chip on the motherboard, and may be labelled as such.
Once you have found the battery, simply remove it from the socket and leave it out for a few minutes. This will allow the stored charge to dissipate and will reset the settings.
After a few minutes, you can then re-insert the battery and boot up your computer. Your Acer beep codes should now be gone.
Please note that these process is not the same as resetting your Acer laptop but can be helpful whenever you would like to reset your CMOS battery.
Diagnose Ram
If you're getting Acer beep codes, it could be due to a problem with the RAM. To diagnose the issue, you'll need to check both the sticks and the slots.
If any of them are damaged or not seated properly, that could be causing the issue. Replacing or reseating the RAM should fix the problem.
Oce you have it replaced or fixed, then you should turn on your Acer laptop to see if you won't hear any beep codes.
If your Acer laptop won't turn on, then you may need some few extra steps provided in an article on our website.
Reinstall Graphics Driver
If you're having issues with your Acer beep codes, one thing you can try is to reinstall your graphics driver.
This process will vary depending on which type of graphics card you have, but generally, you can download the latest driver from the manufacturer's website and follow their instructions.
In some cases, you may need to uninstall the old driver first before installing the new one and then restarting your Acer Laptop.
This process can fix Acer beep codes by ensuring that your graphics card is up to date and compatible with your system.
Also, it will help you to resolve issues like vertical or horizontal screen lines on your monitor or laptop.
Connect Keyboard And Mouse Correctly
Beep codes are used by computers to communicate specific issues. They can be very useful in diagnosing hardware problems, but only if you know how to interpret them.
If your Acer computer is producing beep codes, it can be helpful to connect the keyboard and mouse correctly.
This will help ensure that the beep codes are coming from the computer, and not from other devices.
Additionally, connecting the keyboard and mouse correctly can help you rule out potential software causes for the beep codes.
If you're still having trouble interpreting the beep codes, Check the symptoms section in this article to be able to detect where the problem is coming from.
Rewire Internal Cable
If your Acer laptop is giving you beep codes and you think it may be due to faulty wiring, then rewiring the internal cables correctly can help fix the problem.
Although it may seem daunting, with a little patience and carefulness it is a relatively simple process. First, unscrew the back panel of your laptop to access the internal cables.
Then, using a multimeter, test each cable to see if there is continuity between the two ends. If there is not, then you will need to cut the cable and strip away the insulation to expose the wires inside.
Once you have done this, twist the wires together and solder them to create a new connection.
Finally, screw the back panel back on and test your laptop to see if the beep codes have stopped. If they have, then you have successfully fixed your problem.
Use A Cooling Pad
If you're getting beep codes on your Acer computer, one possible solution is to use a cooling pad. This will help to dissipate the heat that may be causing the issue.
Be sure to follow the instructions that come with the cooling pad, and make sure it's properly ventilated. If you're still having issues after using a cooling pad, you may need to replace your laptop fan with the help of a computer engineer.
Why Is My Acer Beeping?
There are a few reasons why your Acer computer may be emitting beep codes.
One possibility is that there is an issue with the hardware, such as a loose connection.
Another possibility is that there is a software issue, such as a corrupt driver.
If you're not sure what the cause of the beeping is, you can try running a diagnostic test to see if any errors are detected.
If you continue to hear beep codes, it's best to go through the solutions provided in this post.
Acer Post Beep Codes
| Code | Beeps | POST Routine Description |
| G2h | Verify Real Mode | |
| G3h | Disable Non-Maskable Interrupt (NMI) | |
| G4h | Get CPU type | |
| G6h | Initialize system hardware | |
| G8h | Initialize chipset with initial POST values | |
| G9h | Set IN POST flag | |
| GAh | Initialize CPU registers | |
| GBh | Enable CPU cache | |
| GCh | Initialize caches to initial POST values | |
| GEh | Initialize I/O component | |
| GFh | Initialize the local bus IDE | |
| 1Gh | Initialize Power Management | |
| 11h | Load alternate registers with initial POST values | |
| 12h | Restore CPU control word during warm boot | |
| 13h | Initialize PCI Bus Mastering devices | |
| 14h | Initialize keyboard controller | |
| 16h | 1-2-2-3 | BIOS ROM checksum |
| 17h | Initialize cache before memory autosize | |
| 18h | 8254 timer initialization | |
| 1Ah | 8237 DMA controller initialization | |
| 1Ch | Reset Programmable Interrupt Controller | |
| 2Gh | 1-3-1-1 | Test DRAM refresh |
| 22h | 1-3-1-3 | Test 8742 Keyboard Controller |
| 24h | Set ES segment register to 4 GB | |
| 26h | Enable A20 line | |
| 28h | Autosize DRAM | |
| 29h | Initialize POST Memory Manager | |
| 2Ah | Clear 215 KB base RAM | |
| 2Ch | 1-3-4-1 | RAM failure on address line xxxx* |
| 2Eh | 1-3-4-3 | RAM failure on data bits xxxx* of low byte of memory bus |
| 2Fh | Enable cache before system BIOS shadow | |
| 3Gh | 1-4-1-1 | RAM failure on data bits xxxx* of high byte of memory bus |
| 32h | Test CPU bus-clock frequency | |
| 33h | Initialize Phoenix Dispatch Manager | |
| 36h | Warm start shut down | |
| 38h | Shadow system BIOS ROM | |
| 3Ah | Autosize cache | |
| 3Ch | Advanced configuration of chipset registers | |
| 3Dh | Load alternate registers with CMOS values | |
| 42h | Initialize interrupt vectors |
| Code | Beeps | POST Routine Description |
| 45h | POST device initialization | |
| 46h | 2-1-2-3 | Check ROM copyright notice |
| 48h | Check video configuration against CMOS | |
| 49h | Initialize PCI bus and devices | |
| 4Ah | Initialize all video adapters in system | |
| 4Bh | QuietBoot start (optional) | |
| 4Ch | Shadow video BIOS ROM | |
| 4Eh | Display BIOS copyright notice | |
| 50h | Display CPU type and speed | |
| 51h | Initialize EISA board | |
| 52h | Test keyboard | |
| 54h | Set key click if enabled | |
| 58h | 2-2-3-1 | Test for unexpected interrupts |
| 59h | Initialize POST display service | |
| 5Ah | Display prompt "Press F2 to enter SETUP" | |
| 5Bh | Disable CPU cache | |
| 5Ch | Test RAM between 512 and 640 KB | |
| 60h | Test extended memory | |
| 62h | Test extended memory address lines | |
| 64h | Jump to User Patchl | |
| 66h | Configure advanced cache registers | |
| 67h | Initialize Multi Processor APIC | |
| 68h | Enable external and CPU caches | |
| 69h | Setup System Management Mode (SMM) area | |
| 6Ah | Display external L2 cache size | |
| 6Bh | Load custom defaults (optional) | |
| 6Ch | Display shadow-area message | |
| 6Eh | Display possible high address for UMB recovery | |
| 70h | Display error messages | |
| 72h | Check for configuration errors | |
| 76h | Check for keyboard errors | |
| 7Ch | Set up hardware interrupt vectors | |
| 7Eh | Initialize coprocessor if present | |
| 80h | Disable onboard Super I/O ports and IRQs | |
| 81h | Late POST device initialization | |
| 82h | Detect and install external RS232 ports | |
| 83h | Configure non-MCD IDE controllers | |
| 84h | Detect and install external parallel ports | |
| 85h | Initialize PC-compatible PnP ISA devices | |
| 86h | Re-initialize onboard I/O ports | |
| 87h | Configure Motherboard Configurable Devices (optional) | |
| 88h | Initialize BIOS Data Area | |
| 89h | Enable Non-Maskable Interrupts (NMIs) |
| 8Ah | Initialize Extended BIOS Data Area | |
| 8Bh | Test and initialize PS/2 mouse | |
| 8Ch | Initialize floppy controller | |
| 8Fh | Determine number of ATA drives (optional) | |
| 90h | Initialize hard-disk controllers | |
| 91h | Initialize local-bus hard-disk controllers | |
| 92h | Jump to UserPatch2 | |
| 93h | Build MPTABLE for multi-processor boards | |
| 95h | Install CD-ROM for boot | |
| 96h | Clear huge ES segment register | |
| 97h | Fixup Multiprocessor table | |
| 98h | 1-2 | Search for option ROMs. One long, two short beeps on checksum failure. |
| 99h | Check for SMART drive (optional) | |
| 9Ah | Shadow option ROMs | |
| 9Ch | Set up Power Management | |
| 9Dh | Initialize security engine (optional) | |
| 9Eh | Enable hardware interrupts | |
| 9Fh | Determine number of ATA and SCSI drives | |
| A0h | Set time of day | |
| A2h | Check key lock | |
| A4h | Initialize Typematic rate | |
| A8h | Erase F2 prompt | |
| AAh | Scan for F2 key stroke | |
| ACh | Enter SETUP | |
| AEh | Clear Boot flag | |
| B0h | Check for errors | |
| B2h | POST done- prepare to boot operating system | |
| B4h | 1 | One short beep before boot |
| B5h | Terminate QuietBoot (optional) | |
| B6h | Check password (optional) | |
| B9h | Prepare Boot | |
| BAh | Initialize DMI parameters | |
| BBh | Initialize PnP Option ROMs | |
| BCh | Clear parity checkers | |
| BDh | Display MultiBoot menu | |
| BEh | Clear screen (optional) | |
| BFh | Check virus and backup reminders | |
| C0h | Try to boot with INT 19 | |
| C1h | Initialize POST Error Manager (PEM) | |
| C2h | Initialize error logging | |
| C3h | Initialize error display function | |
| C4h | Initialize system error handler |
| C5h | PnPnd dual CMOS (optional) | |
| C6h | Initialize notebook docking (optional) | |
| C7h | Initialize notebook docking late | |
| C8h | Force check (optional) | |
| C9h | Extended checksum (optional) | |
| D2h | Unknown interrupt |
