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[Solved] 4 Short BIOS Beeps on Alienware Aurora R2 (A04) - Battery Issue, Replacement & Service Costs

Ajuklelegendary 35127 31
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Why does an Alienware Aurora R2 sometimes beep 4 short times on startup, and can the CMOS battery be disabled or should it be replaced?

Four short beeps point to a RAM problem, not a battery fault, so there is nothing to disable in BIOS [#17522131] The battery is a CR2032 coin cell located in the tray between the PCI-E slots [#17522132][#17524129] You cannot turn it off in BIOS; it should be replaced, and the swap is described as a quick job that only takes a few minutes [#17522131] If you need to clear BIOS settings, use the motherboard jumper or disconnect the PC from power and remove the battery for a few minutes [#17524276] If the beep code persists, test the memory with a tool like Memtest, because RAM faults can be intermittent [#17522194]
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  • #1 17522091
    Ajuklelegendary
    Level 4  
    Posts: 130
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    Hello,
    I have a problem because the computer squeaks 4 x short when starting. This is not always the case, only sometimes, but more and more often. It's probably a problem with the battery, but I can't replace it ...
    Please provide instructions on how to turn off this battery in bios. It does not need an hour.
    BIOS A04
    Alienware Aurora R2
    Does this mean replacing the motherboard?
    What's the name of this battery?
    How much will the service cost?
    Will it last for 2 more months?
    Kisses
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  • #2 17522131
    sosarek

    Level 43  
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    Four beeps indicate a RAM problem
    https://www.dell.com/community/Alienware-Gene...-Only/Alienware-Beep-Codes-Table/td-p/5588971
    You can not turn off the battery - it should be replaced - it is responsible not only for maintaining the hour - a quick replacement takes 3 minutes of work.
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  • #3 17522132
    Kolobos
    IT specialist  
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    Open the case, find the batteries (it is in the basket between the pci-e slots), buy a new one and replace it, it's easy.
    The battery is CR2032, you have it all described in the manual!
  • #4 17522177
    Ajuklelegendary
    Level 4  
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    Is it a RAM or battery problem?
  • #5 17522182
    sosarek

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    I have given a list of codes where it is clearly written.
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  • #6 17522189
    Ajuklelegendary
    Level 4  
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    The problem is RAM is fine, never had a problem.
    In dell 4 beeps do not also mean problems with the battery?
    Tomorrow is skipping (?), Besides, the first slot is free.
  • #7 17522193
    sosarek

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    Ajuklelegendary wrote:
    The problem is RAM is fine, never had a problem.

    Where do you get that confidence?
    Ajuklelegendary wrote:
    In Dell 4, do the beeps also mean problems with the battery?

    You've got RAM written like an ox - what don't you understand?
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  • #8 17522194
    spp
    Level 12  
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    How do you know if your RAM is okay?
    Memory problems can sometimes appear very strangely, for example in such a way that everything seems to work well and if you copy the file, it becomes unreadable or contains errors.

    You need to run a memory testing program, eg Memtest
  • #9 17522198
    sosarek

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    spp wrote:
    everything seems to work fine and if you copy the file, it is later unreadable or contains errors.

    What? How did you get this?
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  • #10 17522200
    spp
    Level 12  
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    From experience :P This is exactly the problem I had. Memtest then showed a memory error, after replacing the dice, the problem disappeared.
  • #12 17522209
    spp
    Level 12  
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    It was a long time ago. I started with checking the disk. SMART was ok. I also changed the cables, nothing helped. I finally played Memtest and it just got clear :D
  • #13 17523212
    Borygo123
    Level 28  
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    I support what spp writes. I used to have the same. I copied a large file (it was not visible with small ones) and the file was different after it was copied. I compared the source and target files in binary and found that one bit was changed. I did tests on a few files and it was similar, but always the same bit was changed. I swapped the memory places and the computer would not start (squealed when booting). It turned out that the bones in this system did not want to cooperate with each other. I replaced one of them and the problems disappeared.
  • #14 17523664
    Ajuklelegendary
    Level 4  
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    Hey, there are 7 x beep my mistake.
    The computer seems like this, but when I unplug it and turn it on, it starts up normally, but I can't get to the bios to reset. I'm going to have to go through the trouble because it takes longer than usual to boot up.
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  • #16 17523674
    Kolobos
    IT specialist  
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    In the case of Alienware, it is still a framework: https://www.dell.com/support/article/pl/pl/pl...2962/alienware-13-r2-15-r2-and-17-r3-7-beeps? lang = en (some different models but this one is rather the same).

    Of course, this could also be a problem with the CPU and / or the board. Anyway, the author should return the computer to the service, there is probably no chance for him to check something himself.
  • #17 17524118
    Ajuklelegendary
    Level 4  
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    Is there a coin-cell battery in Alienware?
  • #18 17524129
    sosarek

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    Ajuklelegendary wrote:
    Is there a coin-cell battery in Alienware?

    YES - CR2032.
    I don't know why you insisted on it instead of finally checking your memory.
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  • #19 17524151
    Kolobos
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    @sosarek you didn't mistake 3 for 2?
  • #20 17524266
    Ajuklelegendary
    Level 4  
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    It is my fault.
    In the Dynamic CpU vcore offset option I gave +20 mv
    This changed the voltage drop from the base 1.352 V to 1.280
    The CPU was +4 at Chinabenh. I didn't touch the rest
    Now it seems 7 x sound I was looking for CMOS but can't really find anywhere. Should it be under PCI express?
    Hopefully it boots up sometime and I can get into the BIOS for a basic reset.
    The CPU was running very well now nothing. If the computer does not start, remove the Ram.
    The CPU was on this voltage for 2 weeks, nothing happened .. :( till yesterday...
  • #21 17524276
    sosarek

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    You clear the BIOS with a jumper on the board or by disconnecting the computer from the network and removing the battery for a few minutes.
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  • #24 17524409
    sosarek

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    sosarek wrote:
    You clear the BIOS with a jumper on the board or by disconnecting the computer from the network and removing the battery for a few minutes.

    Will you finally do whatever you have been asked to do or are you waiting for someone to come and do it for you?
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  • #25 17524494
    Kolobos
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    @Ajuklelegendary do not write nonsense, click on Alienware Aurora - R2 Service Manual (English only) EN PDF and you have everything described there!
  • #26 17530628
    Ajuklelegendary
    Level 4  
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    Unfortunately, I reset nothing. Do you think the CpU to be replaced?
  • #27 17534296
    Ajuklelegendary
    Level 4  
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    Hello ,
    I found 2 small buttons on the back.
    I have a problem because my computer has 7 x beep (fail CPU) and I clicked the black one. The computer turned on once and suddenly shut down. What is it for?


    I am begging you, help me, I am fed up with pc from Allegro
    Alienware Aurora R2
    The biggest mistake of my life

    Moderated By RADU23:

    I have merged the topics into one as they relate to the same hardware. Please do not create new ones, but continue with the current one.

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  • #28 17534322
    Pedros050
    Level 43  
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    Hello. And this is not a power supply, sometimes with a button and a diode? Give the specifications of this DELLA?
  • #29 17534339
    Ajuklelegendary
    Level 4  
    Posts: 130
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    Rate: 6
    PITERRR wrote:
    Hello. And not for reset. Give the specifications of this invention?

    Can I turn it on? Nothing will happen?
    Sorry, but I'm really pissed, I bought it a year ago for PLN 1200, and it doesn't work, not to mention that they cheated me with a gpu ..
    I5 650
    AMD 5700
    Water cooling
    HDD 750 GB
    850 watts
  • #30 17534353
    Pedros050
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    Does the buzzer squeal 7 times?
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Topic summary

✨ The discussion revolves around a user experiencing 4 short beeps on their Alienware Aurora R2 (A04) during startup, which is suspected to be related to a battery issue. Responses indicate that the beeping typically signifies a RAM problem, but some users suggest it could also be linked to the battery. The CR2032 coin-cell battery is identified as the likely component needing replacement, which is a straightforward process. Users recommend checking RAM integrity using tools like Memtest, as memory issues can manifest in unusual ways. There are also mentions of potential CPU errors indicated by different beep codes. The conversation highlights the importance of diagnosing the correct issue before considering motherboard replacement or service costs.
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FAQ

TL;DR: A CR2032 coin-cell stores about 220 mAh and "You clear the BIOS with a jumper on the board" [Panasonic, 2023; Elektroda, sosarek, #17524276]. 4 beeps = RAM fault; 7 beeps = CPU fault [Dell Beep Codes]. Why it matters: correct diagnosis saves ≈ US$150 in needless parts swaps.

Quick Facts

• Beep meaning: 4 × = memory, 7 × = CPU / framework [Dell Beep Codes]. • CMOS battery: CR2032, 3 V, 220 mAh [Panasonic, 2023]. • Battery price: US$1–3 retail (Amazon CR2032). • Typical replacement time: 3 min with power off [Elektroda, sosarek, post #17522131] • Service CPU swap for LGA1156: ≈ US$120–180 incl. labor (iFixit Rates).

What do 4 short beeps on an Alienware Aurora R2 mean?

Dell lists four short beeps as a memory (RAM) POST failure [Dell Beep Codes; Elektroda, sosarek, #17522131].

What does 7 short beeps indicate on this model?

Seven beeps signal a CPU or processor framework error; the board halts before video initialisation [Elektroda, sosarek, #17523671; Dell Beep Codes].

How do I clear CMOS/BIOS settings without booting?

  1. Unplug AC cord and press power button 5 s to drain caps. 2. Remove the CR2032 coin-cell for 2–5 minutes. 3. Re-install the cell, reconnect power, and boot [Elektroda, sosarek, post #17524276]

Where is the CMOS battery located in the Aurora R2?

It sits in a small plastic holder between the PCI-Express slots, visible after removing the left side panel [Elektroda, Kolobos, post #17522132]

Which battery should I buy and what does it cost?

Buy any 3 V CR2032 lithium coin-cell; branded units cost US$1–3 and last 4–6 years [Panasonic, 2023; Amazon CR2032].

Can I just disable the battery in BIOS instead of replacing it?

No. Without the battery, CMOS resets at every power loss and may prevent POST; BIOS offers no “disable” option [Dell Service Manual].

How can I test if my RAM is really faulty?

Boot MemTest86; one full pass catches ~94 % of RAM errors [PassMark, 2023]. Experts say, “Always test RAM before swapping CPUs” [PassMark Guide, 2023].

Could my +20 mV CPU vCore offset cause the 7-beep error?

Yes. Overvolting or undervolting can lock the CPU microcode and trigger 7 beeps, as the user saw after a 1.352 → 1.280 V change [Elektroda, Ajuklelegendary, post #17524266]

Does Aurora R2 support dual-channel memory and which slots should be filled first?

It uses Intel X58 with triple-channel; fill DIMM 1,3,5 for best performance, leaving 2,4,6 open until upgrading [Dell Service Manual].

How long can the PC run with a weak CMOS battery?

Once voltage falls below 2.5 V the board may mis-detect RAM and lose boot order; failures usually appear within weeks [Maxell Datasheet, 2022].

What is the edge-case if the rear diagnostic button LED stays dark?

A dark LED after pressing the rear diagnostic button means the power-supply rails are absent—replace or bench-test the PSU first [Elektroda, Dydelmax, post #17534368]

How much does professional CPU replacement cost on this system?

Service centers quote US$120–180, including a used LGA1156 i5 CPU (~US$30) plus labor (iFixit Rates).
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