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Are you looking for a list of Dell beep codes? Take a look at this complete listing of Dell beep codes.

An introduction to BIOS beep codes
When you power on your computer, the motherboard’s basic input/output system
(BIOS) first detects the computer’s internal hardware configuration and then
performs the power-on self-test (POST). The POST executes several diagnostic
tests that check the basic functionality of the power supply, motherboard,
CPU, I/O Bus Controller, RAM, keyboard, and video components. If the
computer passes the POST, it will usually return a single short beep or two
short beeps, depending on the BIOS manufacturer. If the POST detects any
problems, it will halt the boot process and return an error message either
visually on the screen and/or audibly through a series of beeps.
Unfortunately, there is no official standard for beep codes. Depending on
the BIOS manufacturer, a keyboard controller failure could be three, four,
five, or six beeps. While this document lists common BIOS manufacturer beep
codes, you should always consult your motherboard’s documentation, the
manufacturer’s Web site, and the BIOS manufacturer’s Web site for a
definitive beep code list for your particular BIOS. The information
contained in the following lists was gathered from various BIOS
manufacturers’ Web sites.
AMI BIOS beep codes
http://www.ami.com/support/bios.html
Number of beeps Problem description Troubleshooting recommendation
1 Refresh error Reseat memory or replace with known good chips.
2 Parity error Reseat memory or replace with known good chips.
3 Base 64K memory failure Reseat memory or replace with known good chips.
4 Timer not operational Repair/replace motherboard.
5 Processor error Repair/replace motherboard.
6 8042-gate A20 failure Reseat keyboard controller chip, replace keyboard
controller chip, check for a keyboard fuse, or try a different keyboard.
7 Processor exception interrupt error Repair/replace motherboard.
8 Display memory read/write failure Replace video card or video card memory.
9 ROM checksum error/Faulty BIOS chips Replace chips or motherboard.
10 CMOS shutdown register read/write error Repair/replace motherboard.
11 Cache memory bad
Award BIOS beep codes
http://www.phoenix.com/pcuser/awardbios/award_error_codes.html
Number of beeps Problem description Troubleshooting recommendation
1 long & 2 short Video error Check the video card.
Any other beeps RAM problem Reseat the RAM or replace with known good chips.
PhoenixBIOS beep codes
http://www.phoenix.com/pcuser/PDF-Files/bios-postcode.pdf
Unfortunately, PhoenixBIOS beep codes are significantly more complicated
than other BIOS manufacturers. Instead of a single beep code set,
PhoenixBIOS codes consist of a series of beep code sets separated by a short
pause. Older Phoenix BIOS Plus and PhoenixBIOS 1.x systems used a series of
three sets, while the new PhoenixBIOS 4.x systems use a series of four sets.
The codes listed below are only some of the more than 100 codes for the
newer PhoenixBIOS 4.x. For a complete list of Phoenix BIOS POST task
routines and beep codes, please visit their Web site or review your
motherboard’s documentation.
Number of beeps POST routine description/problem Troubleshooting
recommendation
1 One short beep before boot Normal operation
1-1-1-3 Verify real mode A problem exists with the CPU and/or motherboard.
Check and replace if necessary.
1-1-2-1 Get CPU type A problem exists with the CPU and/or motherboard. Check
and replace if necessary.
1-1-2-3 Initialize system hardware A problem exists with the motherboard.
Check and replace if necessary.
1-1-3-1 Initialize chipset with initial POST values A problem exists with
the motherboard. Check and replace if necessary.
1-1-3-2 Set IN POST flag A problem exists with the motherboard. Check and
replace if necessary.
1-1-3-3 Initialize CPU registers A problem exists with the CPU and/or
motherboard. Check and replace if necessary.
1-1-4-3 Initialize I/O component A problem exists with the I/O port hardware
or a device connected to an I/O port. It could also be an expansion device
in the PC or the motherboard.
1-2-2-1 Initialize keyboard controller An error has occurred with the
keyboard or keyboard controller. Try a new keyboard or replace the keyboard
controller on the motherboard.
1-2-2-3 BIOS ROM checksum Replace either the BIOS ROM chip or the
motherboard.
1-2-3-3 8237 DMA controller initialization Check the motherboard and any
expansion cards that use DMA.
1-3-1-1 Test DRAM refresh Check the first bank of memory and the
motherboard.
1-3-1-3 Test 8742 keyboard controller An error has occurred with the
keyboard or keyboard controller. Try a new keyboard or replace the keyboard
controller on the motherboard.
1-3-4-1 RAM failure on line xxxx Check the first bank of memory and the
motherboard.
1-3-4-3 RAM failure on data bits xxxx of low byte memory bus Check the first
bank of memory and the motherboard.
2-1-3-1 Check video configuration against CMOS Check the video card or video
card memory.
2-1-3-2 Initialize PCI bus and devices A problem exists with the I/O port
hardware or a device connected to an I/O port. It could also be an expansion
device in the PC or the motherboard.
2-2-1-3 Test keyboard An error has occurred with the keyboard or keyboard
controller. Try a new keyboard or replace the keyboard controller on the
motherboard.
2-2-3-1 Test for unexpected interrupts Check for a faulty motherboard or
expansion card.
3-1-2-1 Detect and install external parallel ports A problem exists with the
I/O port hardware or a device connected to an I/O port. It could also be an
expansion device in the PC or the motherboard.
3-1-4-1 Initialize floppy controller Check your hard drive(s), floppy
drive(s), and motherboard.
3-2-1-1 Initialize hard-disk controllers Check your hard drive(s), floppy
drive(s), and motherboard.
3-2-1-2 Initialize local-bus hard-disk controllers Check your hard drive(s),
floppy drive(s), and motherboard.
3-3-1-1 Set time of day Check the motherboard’s real-time clock (RTC).
4-2-4-3 Keyboard controller failure An error has occurred with the keyboard
or keyboard controller. Try a new keyboard or replace the keyboard
controller on the motherboard.
Dell BIOS beep codes
http://support.dell.com/us/en/home.asp
Because Dell uses motherboards and BIOSs from several manufacturers, their
computers use a variety of beep codes. Instead of listing each model’s beep
codes, links are provided to the support pages of several popular Dell
desktops.
Model System codes and messages link
Dimension 900 http://docs.us.dell.com/docs/systems/dcaydim2/codemess.htm
Dimension 2100 http://docs.us.dell.com/docs/systems/dim2100/codemess.htm
Dimension 4100 http://docs.us.dell.com/docs/systems/dzuul/codemess.htm
Dimension 4200 http://docs.us.dell.com/docs/systems/dim4200/codes.htm
Dimension 4300 http://docs.us.dell.com/docs/systems/dim4300/codes.htm
Dimension 4300S http://docs.us.dell.com/docs/systems/dim4300s/codes.htm
Dimension 4400 http://docs.us.dell.com/docs/systems/dim4400/codes.htm
Dimension 8100 http://docs.us.dell.com/docs/systems/dsleest/codemess.htm
Dimension 8200 http://docs.us.dell.com/docs/systems/dim8200/codes.htm
Dimension C http://docs.us.dell.com/docs/systems/dcaydim/codemess.htm
Dimension L http://docs.us.dell.com/docs/systems/dmum/codemess.htm
Dimension Lxxxc http://docs.us.dell.com/docs/systems/dcol/codemess.htm
Dimension P133a, P166a, M166a, M200a, and M233a
http://docs.us.dell.com/docs/systems/dhanplus/post.htm
Dimension XPS Txxx and Txxxr
http://docs.us.dell.com/docs/systems/dkub/codemess.htm
Dimension Vxxx and Vxxxc http://docs.us.dell.com/docs/systems/dwill/post.htm
Dimension XPS B Series
http://docs.us.dell.com/docs/systems/dmag/codemess.htm
Dimension XPS Dxxx http://docs.us.dell.com/docs/systems/dalex/post.htm
Dimension XPS H233 and XPS H266
http://docs.us.dell.com/docs/systems/dcor/post.htm
Dimension XPS P60 FS http://docs.us.dell.com/docs/dta/xpsp60f/00000015.htm
Dimension XPS P60 M http://docs.us.dell.com/docs/dta/xpsp60m/00000014.htm
Dimension XPS 50/66 FS http://docs.us.dell.com/docs/dta/xps_f/00000021.htm
Dimension XPS 50/66 MDT (V4xxV)
http://docs.us.dell.com/docs/dta/xps_m/00000025.htm
Dimension XPS Rxxx http://docs.us.dell.com/docs/systems/dkhan/post.htm
OmniPlex 5xx/ME http://docs.us.dell.com/docs/dta/omni5xx/00000051.htm
OptiPlex G1 http://docs.us.dell.com/docs/systems/ddur/beep.htm
OptiPlex GC http://docs.us.dell.com/docs/systems/opgc/en/ug/messages.htm
OptiPlex Gn and Gn+ http://docs.us.dell.com/docs/systems/dthred/beep.htm
OptiPlex GX1 http://docs.us.dell.com/docs/systems/ban_gx1/beep.htm
OptiPlex GX1 Small-Form-Factor
http://docs.us.dell.com/docs/systems/ban_gx1/en/ug_sdt/messages.htm
OptiPlex GX1p http://docs.us.dell.com/docs/systems/d_gx1p/beep.htm
OptiPlex GXi http://docs.us.dell.com/docs/systems/dzer/beep.htm
OptiPlex GX100, GX110, GX200, and GX300
http://support.dell.com/us/en/kb/document.asp?DN=1040268
OptiPlex GX110
http://docs.us.dell.com/docs/systems/opgx110/en/ug/messages.htm
OptiPlex GX115
http://docs.us.dell.com/docs/systems/opgx115/en/ug/messages.htm
OptiPlex GXa http://docs.us.dell.com/docs/systems/dfuj/beep.htm
OptiPlex GXpro http://docs.us.dell.com/docs/systems/dstrmlk/postbeep.htm
OptiPlex N http://docs.us.dell.com/docs/systems/dkill/beep.htm
OptiPlex NX http://docs.us.dell.com/docs/systems/dfujnx/beep.htm
OptiPlex NX1 http://docs.us.dell.com/docs/systems/ban_nx1/beep.htm
OptiPlex XMT575/590/5100/5120/5133
http://docs.us.dell.com/docs/dta/586xmt/00000038.htm
Precision WorkStation 210
http://docs.us.dell.com/docs/systems/daftshk/beep.htm
Precision WorkStation 340
http://docs.us.dell.com/docs/systems/ws340/en/ug/codes.htm
Precision WorkStation 400 http://docs.us.dell.com/docs/systems/dtor/beep.htm
Precision WorkStation 410
http://docs.us.dell.com/docs/systems/deqkmt/beep.htm
Precision WorkStation 420
http://docs.us.dell.com/docs/systems/ws420/en/ug/messages.htm
Precision WorkStation 530
http://docs.us.dell.com/docs/systems/ws530/en/ug/html/2codes.htm
Precision WorkStation 610 Mini Tower
http://docs.us.dell.com/docs/systems/dvol/beep.htm
Precision WorkStation 620
http://docs.us.dell.com/docs/systems/ws620/en/ug/messages.htm
Precision WorkStation 730
http://docs.us.dell.com/docs/systems/ws730/ug/messages.htm

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