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Toshiba satellite p25-s5263 when i turn the laptop on there is no display but a long beep then 2 short beeps that follow. what do you think it is?

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System failure. must likely motherboard.
need a new laptop

Posted on Sep 30, 2008

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Why does my computer light come on but want boot and want show a screen and making a beeping sound


In simple terms, you have a hardware failure, probably in your motherboard, hard drive or memory.

The beeps your hearing, are there for a reason. The way it works, is, when you first turn a computer on, it goes through a "Power-on, self test", (know as a POST).

During this period, the BIOS queries the system hardware, such as the hard drive controller, the i/o ports, the memory, etc. and expects to receive back a specific return code which indicates that the specific hardware is running properly.

If it finds a failure in some element of the hardware, it will issue a specific pattern of beeps to tell you which part of the system is failing. (It does this because the system may be unable to display the error on the screen).

Each of the different BIOS manufacturers (BIOS is an acronym for "basic input output system, the hardwired code that talks to the actual hardware), have their own series of short and long beeps, for the different type of failures. So to know where the failure is, you must first know what BIOS manufacture you have in your computer.

Some of the more popular manufacturers are: AMI, Award, IBM, Phoenix, Macintosh, etc.

When you first turn on our computer, the display will report which brand of BIOS you have, and its version.

Once you determine the brand, you can go to any number of web pages that have a cross-reference for the beeps for each brand on BIOS.
I think most adhere to the old IBM PC beep codes as follows:
No beeps: no power, bad CPU,
1 beep: normal
2 beeps: POST/CMOS error
1 long beep, 1-short beep: motherboard problem
1 long beep, 2-short beeps: video problem
1 long beep, 3-short beeps: video problem
3 long beeps: keyboard error
Several long beeps: memory failure (most common fault)
Continuous hi-lo beeps: CPU overheating

You can check with the following websites to get an idea of what's going wrong.
Computer POST and beep codes
How to Diagnose Computer Beeps eHow

Often times a SIMM has come loose in its slot (or corrosion on the connector tabs). If your getting a memory error, you can try opening the box and try re-seating each of the memory Simms to see it that might be the problem. (When you have them out, look at the row of pins along the bottom and see if any look corroded.)

Aug 25, 2014 | E-Machines eMachines Desktop PC

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Beep code and their meaning: 1 short beep Normal POST - system is ok 2 short...


beep code and their meaning:
1 short beep Normal POST - system is ok
2 short beeps POST Error - error code shown on screen
No beep Power supply or system board problem
Continuous beep Power supply, system board, or keyboard problem
Repeating short beeps Power supply or system board problem
1 long, 1 short beep System board problem
1 long, 2 short beeps Display adapter problem (MDA, CGA)
1 long, 3 short beeps Enhanced Graphics Adapter (EGA)
3 long beeps 3270 keyboard card

on Sep 07, 2013 | PC Desktops

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Beep Codes (Different BIOS) " What they mean "


Standard Original IBM POST Error Codes

Code Description

1 short beep System is OK
2 short beeps POST Error - error code shown on screen No beep Power supply or system board problem Continuous beep Power supply, system board, or keyboard problem Repeating short beeps Power supply or system board problem
1 long, 1 short beep System board problem
1 long, 2 short beeps Display adapter problem (MDA, CGA)
1 long, 3 short beeps Display adapter problem (EGA)
3 long beeps 3270 keyboard card


IBM POST Diagnostic Code Descriptions
Code Description

100 - 199 System Board
200 - 299 Memory
300 - 399 Keyboard
400 - 499 Monochrome Display
500 - 599 Colour/Graphics Display
600 - 699 Floppy-disk drive and/or Adapter
700 - 799 Math Coprocessor
900 - 999 Parallel Printer Port
1000 - 1099 Alternate Printer Adapter
1100 - 1299 Asynchronous Communication Device, Adapter, or Port
1300 - 1399 Game Port
1400 - 1499 Colour/Graphics Printer
1500 - 1599 Synchronous Communication Device, Adapter, or Port
1700 - 1799 Hard Drive and/or Adapter
1800 - 1899 Expansion Unit (XT)
2000 - 2199 Bisynchronous Communication Adapter
2400 - 2599 EGA system-board Video (MCA)
3000 - 3199 LAN Adapter
4800 - 4999 Internal Modem
7000 - 7099 Phoenix BIOS Chips
7300 - 7399 3.5" Disk Drive
8900 - 8999 MIDI Adapter
11200 - 11299 SCSI Adapter
21000 - 21099 SCSI Fixed Disk and Controller
21500 - 21599 SCSI CD-ROM System

AMI BIOS Beep Codes
Code Description

1 Short Beep System OK
2 Short Beeps Parity error in the first 64 KB of memory
3 Short Beeps Memory failure in the first 64 KB
4 Short Beeps Memory failure in the first 64 KB Operational of memory
or Timer 1 on the motherboard is not functioning
5 Short Beeps The CPU on the motherboard generated an error
6 Short Beeps The keyboard controller may be bad. The BIOS cannot switch to protected mode
7 Short Beeps The CPU generated an exception interrupt
8 Short Beeps The system video adapter is either missing, or its memory is faulty
9 Short Beeps The ROM checksum value does not match the value encoded in the BIOS
10 Short Beeps The shutdown register for CMOS RAM failed
11 Short Beeps The external cache is faulty
1 Long, 3 Short Beeps Memory Problems
1 Long, 8 Short Beeps Video Card Problems

Phoenix BIOS Beep Codes
Note - Phoenix BIOS emits three sets of beeps, separated by a brief pause.

Code Description
1-1-3 CMOS read/write failure
1-1-4 ROM BIOS checksum error
1-2-1 Programmable interval timer failure
1-2-2 DMA initialisation failure
1-2-3 DMA page register read/write failure
1-3-1 RAM refresh verification failure
1-3-3 First 64k RAM chip or data line failure
1-3-4 First 64k RAM odd/even logic failure
1-4-1 Address line failure first 64k RAM
1-4-2 Parity failure first 64k RAM
2-_-_ Faulty Memory
3-1-_ Faulty Motherboard
3-2-4 Keyboard controller Test failure
3-3-4 Screen initialisation failure
3-4-1 Screen retrace test failure
3-4-2 Search for video ROM in progress
4-2-1 Timer tick interrupt in progress or failure
4-2-2 Shutdown test in progress or failure
4-2-3 Gate A20 failure
4-2-4 Unexpected interrupt in protected mode
4-3-1 RAM test in progress or failure>ffffh
4-3-2 Faulty Motherboard
4-3-3 Interval timer channel 2 test or failure
4-3-4 Time of Day clock test failure
4-4-1 Serial port test or failure
4-4-2 Parallel port test or failure
4-4-3 Math coprocessor test or failure
Low 1-1-2 System Board select failure
Low 1-1-3 Extended CMOS RAM failure

on Dec 30, 2009 | PC Desktops

1 Answer

How to boot dell inspiron one 2020 when it only beeps


the number of beeps will tell you what the problem is the beeps are an error code here are the code list for your computer

Beep Code Description No Beeps No Power, Loose Card, or Short. 1 Short Beep Normal POST, computer is ok. 2 Short Beep POST error, review screen for error code. Continuous Beep No Power, Loose Card, or Short. Repeating Short Beep No Power, Loose Card, or Short. One Long and one Short Beep Motherboard issue. One Long and Two Short Beeps Video (Mono/CGA Display Circuitry) issue. One Long and Three Short Beeps. Video (EGA) Display Circuitry. Three Long Beeps Keyboard or Keyboard card error. One Beep, Blank or Incorrect Display Video Display Circuitry.

May 25, 2014 | Dell Inspiron One 2020 All-in-One Desktop

1 Answer

Any help for beeping acer laptop when opening..thanks


g'day!

i would like to know how many and the kinds of beeps? there are what they call beep codes which indicates what kind of problem the your laptop is experiencing: here are the common ones:

0 beep = no power, loose card, short
1 short beep = normal,POST (Power On Self Test), your computer is ok
2 short beeps = POST error, review screen for error code.
continuous beeps = no power, loose card, short
repeating short beeps = no power, loose card, short
1 long, 1 short beeps = motherboard issue
1 long, 2 short beeps = video issue
1 long, 3 short beeps = video display circuitry
three long beeps = keyboard/keyboard card error
one beep, blank, incorrect display = video display circuitry

aside from the 1 short beeps, you need to take your laptop to a technician to have it looked at.

cheers mate!
jelo a.

Aug 21, 2011 | PC Desktops

1 Answer

My hp-compaq dx2300 microtower restarts automatically when working. It is installed on win xp sp3. Please let anyone help if solution is known.


Hi names Rui, i question for you does your PC give a beeping sound when you turn it on? if does can you tell me how many beeps it gives?

if it give a designated number of beeps this might be the problem i will give you a chart so you can differentiate the warning beeps you hear.

warning beeps:

1 Short Beep DRAM refresh failure
2 Short Beep Parity circuit failure
3 Short Beep Base 64k RAM failure
4 Short Beep System time failure
5 Short Beep Process failure
6 Short Beep keyboard control gate A20 failure
7 Short Beep Virtual mode exeption failure
8 Short Beep Display memory read/write test failure
9 Short Beep ROM BIOS checksum failure
10 Short Beep CMOS shutdown read/write error
11 Short Beep Cache memory error
1 long, 3 short Beep Conventional/Extended memory failure
1 long, 8 short beep Display/Retrace test failed

hope this will determine the problem if none of this warning beep is heard try reseting the power botton in you PC cause sometimes the power botton will loosen cause of continuous use of the botton.

hope this will help you.

Jul 20, 2011 | HP Compaq dx2300 Microtower - RT950UTABA...

2 Answers

Turn it on it beeps cdc


You really aren't giving much info, so here are some beep - codes, also make sure nothing came loose on the motherboard or other components ( do this ONLY if you know how ) Safety first.

BIOS Beep Sound core list

AWARD BIOS

1 short(Beep) System booting is normally.
2 short(Beep) CMOS setting error
1 long - 1 short(Beep) DRAM ERROR
1 long - 2 short(Beep) Display card or monitor connected error
1 long - 3 short(Beep) Keyboard Error
1 long - 9 short(Beep) ROM Error
Long(Beep) continuous DRAM hasn't inset correctly.
Short(Beep) continuous POWER supply has problem.

AMI BIOS

1 short(Beep) DRAM Flash Error
2 short(Beep) DRAM ECC Check Error
3 short(Beep) DRAM Detect Fail
5 short(Beep) CPU Error
6 short(Beep) Keyboard Error
8 short(Beep) Display card memory Error
9 short(Beep) ROM Error
1 long - 3 short(Beep) DRAM Damage
1 long - 8 short(Beep) Display card or monitor connected error

Jul 16, 2009 | E-Machines T6520 PC Desktop

1 Answer

At POST I get 2 short beeps


it depends on the bios chip maker Here's some other beep codes:

for Award and Phoenix BIOS:

1 short beep: Normal
2 short beeps: CMOS error
1 long and 1 short beep: DRAM error
1 long and 2 short beeps: Video card error
1 long and 3 short beeps: Keyboard error
1 long and 9 short beeps: ROM error
Long continuous beeps: DRAM not installed correctly
Short continuous beeps: Bad power supply


AMI BIOS:

1 short beep: DRAM flash error
2 short beeps: DRAM ECC check error
3 short beeps: DRAM detect error
5 short beeps: CPU error
6 short beeps: Keyboard error
8 short beeps: Video card error
9 short beeps: ROM error
1 long and 3 short beeps: Bad DRAM
1 long and 8 short beeps: Video card error


Invoking Beep Codes

.

If the computer is actually functioning and the computer beeps continuously, then there is a problem with a voltage on the power supply being incorrect or the CPU overheating. IMMEDIATELY go into the BIOS and check CPU temperature, fan speed and voltages

**********************************************
BIOS Beep Codes

Annoying isn't it? You have built your computer you switch it on and then nothing happens except a few beeps from the PC speaker. Frustration sets in as you try to figure out what is wrong with it. If you didn't already know the computer has already told you the problem. It can't speak of course but it can direct you to the problem. Its all in the beeps. The BIOS can recognise when the problem occurs and sends a signal out to send a certain amount of beeps through the speaker. These beeps then tell you the location of the problem.

Unfortunately not all the BIOS' use the same codes as each other. Two of the main BIOS manufactures AMI and Award (now Phoenix) have different codes for there errors.

AMI BIOS

# of Beeps Error Description
1 Refresh Failure The memory refresh Circuitry is faulty
2 Parity Error Parity error in the Base (1st 64K) of memory
3 64K Base Memory Error Memory error in the base memory (1st 64K)
4 Timer Not Operational Timer 1 is not functioning (also caused by error in base memory)
5 Processor Error CPU error
6 8042 Gate A20 Failure Unable to switch to protected mode
7 Processor Exception Interrupt error The CPU on the CPU card generated an interrupt error
8 Display Memory Read/Write Error Video adapter is missing, incorrectly seated or has faulty memory
9 ROM checksum error The ROM checksum does not match that of the BIOS
10 Coms Shutdown Register Read/Write The shutdown register for coms RAM has failed
11 Cache Memory Bad The cache memory test has failed. Cache memory will be disabled. *** DO NOT enable it ***


With the first 3 beep codes, its well worth re-seating the memory just to make sure that it's in correctly. 8 Beeps is probably the most common in my experience. Can be caused by a badly seated Graphics card. If you have re-seated it then check with another Graphics card in the board.

Always check for loose components before sending the board back as this is the main cause of errors on the POST.



Award BIOS

Award states that they now only use one beep from there BIOS. This beep is one long beep and then two short beeps. This indicates a graphics card problem. Any other beeps should be treated as a RAM problem first and then the board sent in to be inspected.

The reason that the Award BIOS only uses the beep code for display problems is that it tries to display the error on-screen if at all possible. If the BIOS cannot initiate the display adapter then this causes the BIOS to make the beep code for a display error, which must be corrected before any other errors can be determined. Memory Test fails and hard disk failures etc will all be displayed on screen

IBM BIOS

The IBM BIOS works with Short and Long beeps as well as the Award BIOS. However the IBM one does still have codes to work from.

Beep Code Error
1 Short Beep Normal POST, System booted OK
2 Short Beeps POST Error - Code on Display
No Beep Power supply or Motherboard error
Continuous Beep Power supply or Motherboard error
Repeating short beeps Power supply or Motherboard error
1 short, 1 long beep System board error
1 long, 2 short beeps Display adapter error (MDA/CGA)
1 long, 3 short beeps Display adapter error (EGA/VGA)
3 long beeps 3270 keyboard card
Phoenix BIOS
The Phoenix BIOS works on a slightly more complicated manor than the others. It does display an error code for you and produce a series of beeps. This BIOS produces its beeps according to the hexadecimal code the error produces. The Phoenix BIOS has many different codes for its possible errors and so many different beep codes. Rather than list the entire section here, I have provided a link to the official PDF file containing the codes and how they are derived.

Phoenix BIOS Post Codes

System board errors should be looked at by a specialist, Again always try to re-seat components to ensure they are in correctly. If necessary take all components out except for the RAM CPU and graphics card, then try the system. Re-seating components is the number one fix for getting past the POST screen. One badly seated components can cause the entire system not to function. so pick out your bios and follow the steps above to diagnose .hope this helps

Jan 05, 2009 | Dell Dimension 5150 (DIM515MIN) PC Desktop

2 Answers

Computer beeps when I try to start up


No Beeps
No Power, Loose Card, or Short.
1 Short Beep
Normal POST, computer is ok.
2 Short Beep
POST error, review screen for error code.
Continuous Beep
No Power, Loose Card, or Short.
Repeating Short Beep
No Power, Loose Card, or Short.
One Long and one Short Beep
Motherboard issue.
One Long and Two Short Beeps
Video (Mono/CGA Display Circuitry) issue.
One Long and Three Short Beeps.
Video (EGA) Display Circuitry.
Three Long Beeps
Keyboard / Keyboard card error.
One Beep, Blank or Incorrect Display
Video Display Circuitry.

Jan 05, 2009 | HP PC Desktops

2 Answers

Black screen with error codes


I think the msg you are seeing is just the default monitor message when there is no video to display. Here is a list of common beep codes: Are you getting the one long beep at each restart?

Beep Code: Description of Problem: No Beeps Short, No power, Bad CPU/MB, Loose Peripherals One Beep Everything is normal and Computer POSTed fine Two Beeps POST/CMOS Error One Long Beep, One Short Beep Motherboard Problem One Long Beep, Two Short Beeps Video Problem One Long Beep, Three Short Beeps Video Problem Three Long Beeps Keyboard Error Repeated Long Beeps Memory Error Continuous Hi-Lo Beeps CPU Overheating

Dec 16, 2008 | PC Desktops

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