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Bios Beep code

What is bios beep codes..how to identify them

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Beep Code Manual, Better Than Gold Techies, American Megatrends Int. & Phoenix
(I'm IT, I use these codes to trouble shoot hardware issues at my job. Enjoy) cold.gif
BIOS Beep Codes
When a computer is first turned on, or rebooted, its BIOS performs a power-on self test (POST) to test the system's hardware, checking to make sure that all of the system's hardware components are working properly. Under normal circumstances, the POST will display an error message; however, if the BIOS detects an error before it can access the video card, or if there is a problem with the video card, it will produce a series of beeps, and the pattern of the beeps indicates what kind of problem the BIOS has detected. Because there are many brands of BIOS, there are no standard beep codes for every BIOS.
The two most-used brands are AMI (American Megatrends International) and Phoenix.
Below are listed the beep codes for AMI systems, and here are the beep codes for Phoenix systems.

AMI Beep Codes
Beep Code Meaning 1 beep DRAM refresh failure. There is a problem in the system memory or the motherboard. 2 beeps Memory parity error. The parity circuit is not working properly. 3 beeps Base 64K RAM failure. There is a problem with the first 64K of system memory. 4 beeps System timer not operational. There is problem with the timer(s) that control functions on the motherboard. 5 beeps Processor failure. The system CPU has failed. 6 beeps Gate A20/keyboard controller failure. The keyboard IC controller has failed, preventing gate A20 from switching the processor to protect mode. 7 beeps Virtual mode exception error. 8 beeps Video memory error. The BIOS cannot write to the frame buffer memory on the video card. 9 beeps ROM checksum error. The BIOS ROM chip on the motherboard is likely faulty. 10 beeps CMOS checksum error. Something on the motherboard is causing an error when trying to interact with the CMOS. 11 beeps Bad cache memory. An error in the level 2 cache memory. 1 long beep, 2 short Failure in the video system. 1 long beep, 3 short A failure has been detected in memory above 64K. 1 long beep, 8 short Display test failure. Continuous beeping A problem with the memory or video. BIOS Beep Codes

Phoenix Beep Codes
Phoenix uses sequences of beeps to indicate problems. The "-" between each number below indicates a pause between each beep sequence. For example, 1-2-3 indicates one beep, followed by a pause and two beeps, followed by a pause and three beeps. Phoenix version before 4.x use 3-beep codes, while Phoenix versions starting with 4.x use 4-beep codes. Click here for AMI BIOS beep codes. 4-Beep Codes Beep Code Meaning 1-1-1-3 Faulty CPU/motherboard. Verify real mode. 1-1-2-1 Faulty CPU/motherboard. 1-1-2-3 Faulty motherboard or one of its components. 1-1-3-1 Faulty motherboard or one of its components. Initialize chipset registers with initial POST values. 1-1-3-2 Faulty motherboard or one of its components. 1-1-3-3 Faulty motherboard or one of its components. Initialize CPU registers. 1-1-3-2 1-1-3-3 1-1-3-4 Failure in the first 64K of memory. 1-1-4-1 Level 2 cache error. 1-1-4-3 I/O port error. 1-2-1-1 Power management error. 1-2-1-2 1-2-1-3 Faulty motherboard or one of its components. 1-2-2-1 Keyboard controller failure. 1-2-2-3 BIOS ROM error. 1-2-3-1 System timer error. 1-2-3-3 DMA error. 1-2-4-1 IRQ controller error. 1-3-1-1 DRAM refresh error. 1-3-1-3 A20 gate failure. 1-3-2-1 Faulty motherboard or one of its components. 1-3-3-1 Extended memory error. 1-3-3-3 1-3-4-1 1-3-4-3 Error in first 1MB of system memory. 1-4-1-3 1-4-2-4 CPU error. 1-4-3-1 2-1-4-1 BIOS ROM shadow error. 1-4-3-2 1-4-3-3 Level 2 cache error. 1-4-4-1 1-4-4-2 2-1-1-1 Faulty motherboard or one of its components. 2-1-1-3 2-1-2-1 IRQ failure. 2-1-2-3 BIOS ROM error. 2-1-2-4 2-1-3-2 I/O port failure. 2-1-3-1 2-1-3-3 Video system failure. 2-1-1-3 2-1-2-1 IRQ failure. 2-1-2-3 BIOS ROM error. 2-1-2-4 I/O port failure. 2-1-4-3 2-2-1-1 Video card failure. 2-2-1-3 2-2-2-1 2-2-2-3 Keyboard controller failure. 2-2-3-1 IRQ error. 2-2-4-1 Error in first 1MB of system memory. 2-3-1-1 2-3-3-3 Extended memory failure. 2-3-2-1 Faulty motherboard or one of its components. 2-3-2-3 2-3-3-1 Level 2 cache error. 2-3-4-1 2-3-4-3 Motherboard or video card failure. 2-3-4-1 2-3-4-3 2-4-1-1 Motherboard or video card failure. 2-4-1-3 Faulty motherboard or one of its components. 2-4-2-1 RTC error. 2-4-2-3 Keyboard controller error. 2-4-4-1 IRQ error. 3-1-1-1 3-1-1-3 3-1-2-1 3-1-2-3 I/O port error. 3-1-3-1 3-1-3-3 Faulty motherboard or one of its components. 3-1-4-1 3-2-1-1 3-2-1-2 Floppy drive or hard drive failure. 3-2-1-3 Faulty motherboard or one of its components. 3-2-2-1 Keyboard controller error. 3-2-2-3 3-2-3-1 3-2-4-1 Faulty motherboard or one of its components. 3-2-4-3 IRQ error. 3-3-1-1 RTC error. 3-3-1-3 Key lock error. 3-3-3-3 Faulty motherboard or one of its components. 3-3-3-3 3-3-4-1 3-3-4-3 3-4-1-1 3-4-1-3 3-4-2-1 3-4-2-3 3-4-3-1 3-4-4-1 3-4-4-4 Faulty motherboard or one of its components. 4-1-1-1 Floppy drive or hard drive failure. 4-2-1-1 4-2-1-3 4-2-2-1 IRQ failure. 4-2-2-3 4-2-3-1 4-2-3-3 4-2-4-1 Faulty motherboard or one of its components. 4-2-4-3 Keyboard controller error. 4-3-1-3 4-3-1-4 4-3-2-1 4-3-2-2 4-3-3-1 4-3-4-1 4-3-4-3 Faulty motherboard or one of its components. 4-3-3-2 4-3-3-4 IRQ failure. 4-3-3-3 4-3-4-2 Floppy drive or hard drive failure. 3-Beep Codes Beep Code Meaning 1-1-2 Faulty CPU/motherboard. 1-1-3 Faulty motherboard/CMOS read-write failure. 1-1-4 Faulty BIOS/BIOS ROM checksum error. 1-2-1 System timer not operational. There is a problem with the timer(s) that control functions on the motherboard. 1-2-2 1-2-3 Faulty motherboard/DMA failure. 1-3-1 Memory refresh failure. 1-3-2 1-3-3 1-3-4 Failure in the first 64K of memory. 1-4-1 Address line failure. 1-4-2 Parity RAM failure. 1-4-3 Timer failure. 1-4-4 NMI port failure. 2-_-_ Any combination of beeps after 2 indicates a failure in the first 64K of memory. 3-1-1 Master DMA failure. 3-1-2 Slave DMA failure. 3-1-3 3-1-4 Interrupt controller failure. 3-2-4 Keyboard controller failure. 3-3-1 3-3-2 CMOS error. 3-3-4 Video card failure. 3-4-1 Video card failure. 4-2-1 Timer failure. 4-2-2 CMOS shutdown failure. 4-2-3 Gate A20 failure. 4-2-4 Unexpected interrupt in protected mode. 4-3-1 RAM test failure. 4-3-3 Timer failure. 4-3-4 Time of day clock failure. 4-4-1 Serial port failure. 4-4-2 Parallel port failure. 4-4-3 Math coprocessor.

Posted on Oct 19, 2008

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Four series of beeps indicate a fatal error, a problem exists which prevents the computer from starting. For example, there might be two beeps, a short pause, one beep, a short pause, one beep, a short pause, and then three beeps; this is represented as 2-1-1-3 in the chart below

Beeps PostCode Description Recommended Hardware Action
1-1-1-3 02h Verify real mode Troubleshoot the processor.Troubleshoot the motherboard.
1-1-2-1 04h Get CPU type Troubleshoot the processor. Troubleshoot the motherboard.
1-1-2-3 06h Initialize system hardware Troubleshoot the motherboard.
1-1-3-1 08h Initialize chipset registers with initial POST values Troubleshoot the motherboard.
1-1-3-2 09h Set in POST flag Troubleshoot the motherboard.
1-1-3-3 0Ah Initialize CPU registers Troubleshoot the processor.Troubleshoot the motherboard.
1-1-4-1 0Ch Initialize cache to initial POST values Troubleshoot the secondary cache. Troubleshoot the processor. Troubleshoot the motherboard.
1-1-4-3 0Eh Initialize I/O Make sure all the cards are securely inserted into the system Make sure that there are no physical problems with the motherboard or internal connections. Disable all shadowing of expansion adapter ROMs and see if that fixes the problem.Remove all unnecessary expansion cards (basically, everything but the video card) and see if the problem goes away. If it does, the problem is probably one of the expansion cards you removed. If not, your problem lies elsewhere. Try to isolate the problem by inserting one expansion card at a time back into the system and seeing which one triggers the problem.Since the most likely cause of the problem is a resource conflict, click here for ideas on resolving resource conflicts in Device Manager.
1-2-1-1 10h Initialize Power Management Troubleshoot the motherboard.
1-2-1-2 11h Load alternate registers with initial POST values Troubleshoot the motherboard.
1-2-1-3 12h Jump to UserPatch0 Troubleshoot the motherboard.
1-2-2-1 14h Initialize keyboard controller Troubleshoot the keyboard.Troubleshoot the keyboard controller. Troubleshoot the motherboard.
1-2-2-3 16h BIOS ROM checksum Try replacing the CMOS battery, reflashing the BIOS, troubleshooting the motherboard.
1-2-3-1 18h 8254 timer initialization Troubleshoot the motherboard.
1-2-3-3 1Ah 8237 DMA controller initialization Treat as an expansion card problem. Troubleshoot the motherboard.
1-2-4-1 1Ch Reset Programmable Interrupt Controller Treat as an expansion card problem. Troubleshoot the motherboard.
1-3-1-1 20h Test DRAM refresh Troubleshoot the system memory. Troubleshoot the motherboard.
1-3-1-3 22h Test 8742 Keyboard Controller Troubleshoot the keyboard. Troubleshoot the keyboard controller. Troubleshoot the motherboard.
1-3-2-1 24h Set ES segment register to 4 GB Troubleshoot the motherboard. Beeps PostCode Description Recommended Action
1-3-3-1 28h Autosize DRAM Troubleshoot the system memory. Troubleshoot the motherboard. 1-3-3-3 2Ah Clear 512K base RAM Troubleshoot the system memory. Troubleshoot the motherboard.
1-3-4-1 2Ch Test 512 base address lines Troubleshoot the system memory. Troubleshoot the motherboard.
1-3-4-3 2Eh Test 512K base memory Troubleshoot the system memory. Troubleshoot the motherboard.
1-4-1-3 32h Test CPU bus-clock frequency Troubleshoot the processor.Troubleshoot the motherboard.
1-4-2-1 34h CMOS RAM read/write failure Troubleshoot the motherboard.
1-4-2-4 37h Reinitialize the chipset Troubleshoot the motherboard.
1-4-3-1 38h Shadow system BIOS ROM Troubleshoot expansion cards. Troubleshoot the system memory. Troubleshoot the motherboard.
1-4-3-2 39h Reinitialize the cache Troubleshoot the secondary cache. Troubleshoot the processor. Troubleshoot the motherboard.
1-4-3-3 3Ah Autosize cache Troubleshoot the secondary cache. Troubleshoot the processor.Troubleshoot the motherboard.
1-4-4-1 3Ch Configure advanced chipset registers Troubleshoot the motherboard.
1-4-4-2 3Dh Load alternate registers with CMOS values Troubleshoot the motherboard.
2-1-1-1 40h Set Initial CPU speed Troubleshoot the motherboard.
2-1-1-3 42hs Initialize interrupt vector Treat as an expansion card problem. Troubleshoot the motherboard.
2-1-2-1 44h Initialize BIOS interrupts Treat as an expansion card problem. Troubleshoot the motherboard.
2-1-2-3 46h Check ROM copyright notice Troubleshoot the motherboard.
2-1-2-4 47h Initialize manager for PCI Options ROMs Treat as an expansion card problem.Troubleshoot the serial port(s).Troubleshoot the parallel port(s). Troubleshoot the motherboard.
2-1-3-1 48h Check video configuration against CMOS Troubleshoot the video card.Make sure the system memory is working correctly. Troubleshoot the motherboard.
2-1-3-2 49h Initialize PCI bus and devices Treat as an expansion card problem. Troubleshoot the serial port(s). Troubleshoot the parallel port(s). Troubleshoot the motherboard.
2-1-3-3 4Ah Initialize all video adapters in system Troubleshoot the video card.Make sure the system memory is working correctly.Troubleshoot the motherboard.
2-1-4-1 4Ch Shadow video BIOS ROM Troubleshoot expansion cards.Troubleshoot the system memory. Troubleshoot the motherboard.
2-1-4-3 4Eh Display copyright notice Troubleshoot the video card.Troubleshoot the motherboard.
2-2-1-1 50h Display CPU type and speed Troubleshoot the video card.
2-2-1-3 52h Test keyboard Troubleshoot the keyboard. Troubleshoot the keyboard controller. Troubleshoot the motherboard.
2-2-2-1 54h Set key click if enabled Troubleshoot the keyboard.Troubleshoot the keyboard controller.Troubleshoot the motherboard.
2-2-2-3 56h Enable keyboard Troubleshoot the keyboard.Troubleshoot the keyboard controller. Troubleshoot the motherboard.
2-2-3-1 58h Test for unexpected interrupts Treat as an expansion card problem. Troubleshoot the motherboard.
2-2-3-3 5Ah Display prompt "Press F2 to enter SETUP" Troubleshoot the video card.Troubleshoot the motherboard.
2-2-4-1 5Ch Test RAM between 512 and 640k Troubleshoot the system memory. Troubleshoot the motherboard.
2-3-1-1 60h Test expanded memory Troubleshoot the system memory. Troubleshoot the motherboard.
2-3-1-3 62h Test extended memory address lines Troubleshoot the system memory. Troubleshoot the motherboard.
2-3-2-1 64h Jump to UserPatch1 Troubleshoot the motherboard.
2-3-2-3 66h Configure advanced cache registers Troubleshoot the secondary cache. Troubleshoot the processor.Troubleshoot the motherboard.
2-3-3-1 68h Enable external and CPU caches Troubleshoot the secondary cache. Troubleshoot the processor. Troubleshoot the motherboard.
2-3-3-2 69h Initialize SMI handler Troubleshoot the motherboard.
2-3-3-3 6Ah Display external cache size Troubleshoot the video card. Troubleshoot the motherboard.
2-3-4-1 6Ch Display shadow message Troubleshoot the video card.Troubleshoot the motherboard.
2-3-4-3 6Eh Display non-disposable segments Troubleshoot the video card. Troubleshoot the motherboard. Beeps PostCode Description Recommended Action
2-4-1-1 70h Display error messages Troubleshoot the video card. Troubleshoot the motherboard.
2-4-1-3 72h Check for configuration errors Troubleshoot the motherboard.
2-4-2-1 74h Test real-time clock Troubleshoot the motherboard.
2-4-2-3 76h Check for keyboard errors Troubleshoot the keyboard. Troubleshoot the keyboard controller. Troubleshoot the motherboard.
2-4-4-1 7Ch Set up hardware interrupts vectors Treat as an expansion card problem. Troubleshoot the motherboard.
2-4-4-3 7Eh Test coprocessor if present Troubleshoot the processor. Troubleshoot the motherboard.

Posted on May 12, 2009

  • Inderpal Singh
    Inderpal Singh May 12, 2009

    3-1-1-1 80h Disable onboard I/O ports Treat as an expansion card problem. Troubleshoot the serial port(s). Troubleshoot the parallel port(s). Troubleshoot the motherboard.
    3-1-1-3 82h Detect and install external RS232 ports Treat as an expansion card problem. Troubleshoot the serial port(s).Troubleshoot the parallel port(s). Troubleshoot the motherboard.
    3-1-2-1 84h Detect and install external parallel ports Treat as an expansion card problem. Troubleshoot the serial port(s).Troubleshoot the parallel port(s). Troubleshoot the motherboard.
    3-1-2-3 86h Re-initialize onboard I/O ports Treat as an expansion card problem. Troubleshoot the serial port(s).Troubleshoot the parallel port(s). Troubleshoot the motherboard.
    3-1-3-1 88h Initialize BIOS data area Troubleshoot the motherboard.
    3-1-3-3 8Ah Initialize extended BIOS data area Troubleshoot the motherboard.
    3-1-4-1 8Ch Initialize floppy controller Troubleshoot the hard disk drive. Troubleshoot the floppy disk drive(s). Troubleshoot the motherboard.
    3-2-1-1 90h Initialize hard-disk controller Troubleshoot the hard disk drive. Troubleshoot the floppy disk drive(s). Troubleshoot the motherboard.
    3-2-1-2 91h Initialize local-bus hard-disk controller Troubleshoot the hard disk drive. Troubleshoot the floppy disk drive(s). Troubleshoot the motherboard.
    3-2-1-3 92h Jump to UserPatch2 Troubleshoot the motherboard.
    3-2-2-1 94h Disable A20 address line Troubleshoot the keyboard. Troubleshoot the keyboard controller. Troubleshoot the motherboard.
    3-2-2-3 96h Clear huge ES segment register Troubleshoot the motherboard. Beeps PostCode Description Recommended Action
    3-2-3-1 98h Search for option ROMs Troubleshoot the motherboard.
    3-2-3-3 9Ah Shadow option ROMs Troubleshoot expansion cards. Troubleshoot the system memory. Troubleshoot the motherboard.
    3-2-4-1 9Ch Set up Power Management Troubleshoot the motherboard.
    3-2-4-3 9Eh Enable hardware interrupts Treat as an expansion card problem. Troubleshoot the motherboard.
    3-3-1-1 A0h Set time of day Troubleshoot the motherboard.
    3-3-1-3 A2h Check key lock Unlock the key lock, if it is locked.Investigate possible problem with the key lock switch, if it is either unlocked already or not present on your system case.Troubleshoot the motherboard.
    3-3-3-1 A8h Erase F2 prompt Troubleshoot the video card. Troubleshoot the motherboard.
    3-3-3-3 Aah Scan for F2 key stroke Troubleshoot the motherboard.
    3-3-4-1 AChP Enter SETU Troubleshoot the motherboard.
    3-3-4-3 Aeh Clear in-POST flag Troubleshoot the motherboard.
    3-4-1-1 B0h Check for errors Troubleshoot the motherboard.
    3-4-1-3 B2h POST done--prepare to boot operating system Troubleshoot the motherboard.
    3-4-2-1 B4h One beep Troubleshoot the motherboard.
    3-4-2-3 B6h Check password (optional) Troubleshoot the motherboard.
    3-4-3-1 B8h Clear global descriptor table Troubleshoot the motherboard.
    3-4-4-1 BCh Clear parity checkers Troubleshoot the motherboard.
    3-4-4-3 Beh Clear screen (optional) Troubleshoot the video card.Troubleshoot the motherboard.
    3-4-4-4 BFh Check virus and backup reminders Troubleshoot the motherboard.
    4-1-1-1 C0h Try to boot with INT 19 Troubleshoot the hard disk drive. Troubleshoot the floppy disk drive(s). Troubleshoot the motherboard.
    4-2-1-1 D0h Interrupt handler error Treat as an expansion card problem.Troubleshoot the motherboard.
    4-2-1-3 D2h Unknown interrupt error Treat as an expansion card problem. Troubleshoot the motherboard.
    4-2-2-1 D4h Pending interrupt error Treat as an expansion card problem. Troubleshoot the motherboard.
    4-2-2-3 D6h Initialize option ROM error Troubleshoot the motherboard.
    4-2-3-1 D8h Shutdown error Troubleshoot the motherboard.
    4-2-3-3 Dah Extended Block Move Troubleshoot the motherboard.
    4-2-4-1 DCh Shutdown error Troubleshoot the motherboard.
    4-2-4-3 Deh Keyboard Controller Failure Troubleshoot the keyboard.Troubleshoot the keyboard controller. Troubleshoot the motherboard.
    4-3-1-3 E2h Initialize the chipset Troubleshoot the motherboard.
    4-3-1-4 E3h Initialize refresh counter Troubleshoot the motherboard.
    4-3-2-1 E4h Check for Forced Flash Troubleshoot the motherboard.
    4-3-2-2 E5h Check HW status of ROM Troubleshoot the motherboard.
    4-3-2-3 E6h BIOS ROM is OK Troubleshoot the motherboard.
    4-3-2-4 E7h Do a complete RAM test Troubleshoot the system memory. Troubleshoot the motherboard.
    4-3-3-1 E8h Do OEM initialization Troubleshoot the motherboard.
    4-3-3-2 E9h Initialize interrupt controller Treat as an expansion card problem. Troubleshoot the motherboard.
    4-3-3-3 Eah Read in bootstrap code Troubleshoot the hard disk drive. Troubleshoot the floppy disk drive(s). Troubleshoot the motherboard.
    4-3-3-4 Ebh Initialize all vectors Treat as an expansion card problem. Troubleshoot the motherboard.
    4-3-4-1 Ech Boot the Flash program Troubleshoot the motherboard.
    4-3-4-2 Edh Initialize the boot device Troubleshoot the hard disk drive. Troubleshoot the floppy disk drive(s).Troubleshoot the motherboard.
    4-3-4-3 Eeh Boot code was read OK Troubleshoot the hard disk drive. Troubleshoot the floppy disk drive(s). Troubleshoot the motherboard

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3 Suggested Answers

originaldeue
  • 2 Answers

SOURCE: operating systems doesn't boot (BIOS beep codes)?

Do you have video going to your monitor? If not the beeps mean you have a bad memory stick in there. If you have video the beeps are the bios telling you that its not set right. More than likely you have it set to run too fast. Go into your bios find where the processor speed is located and choose a lower freq. rate. Its probably set too high for the memory you have.

Posted on Jun 22, 2012

bronk50
  • 27725 Answers

SOURCE: acerpower f2 bios beep codes

The beeps are post during post the very first work is done by the ram all the memory in the ram is first transferred to the hard disk and remains active until turned off.

make sure that your RAM modules and Cmos battery sockets are clean and dust free and the ram modules are securely seated in some motherboards cmos batteries are soldered in


Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your ((motherboard to your hard drive)) make sure they have a secure connection


and are not faulty or just replace them they could be faulty
make sure all leads that are attached to your drives dvd\cd have secure connections and are not faulty or just replace them they could be faulty ?

one bad lead will end with a computer error a computer needs its connections continue its cycle and have an end to function properly


even something as small as an electrical extension or a faulty fan lead can cause this problem computer needs all of the data and electrical current to travel through every device and to have an end to be able work properly


hope this helps

Posted on Jun 23, 2012

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
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goodluck!

Posted on Jan 02, 2017

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Most computers have a RTC or "real time clock" in the BIOS. BIOS (or "Basic Input Output System") controls how data gets into and out from the processor (via keyboard, disk, etc.). Be careful making changes. The BIOS is normally only accessable when the computer is powered on or reset, and then only while performing the POST (or "Power On Self Test"). At this time your screen may display text describing memory, drives, controllers, etc. Some machine have a "silent boot" enabled which displays a manufacturer's graphic or logo instead of this data. It is during this time the the BIOS may be accessed. Depending on the manufacturer of your computer, a key (Delete, Escape, F1 or some other) or key combination (ALT + F1, ALT + S, or some other) will be needed. It is required to press the key or key combination prior to the Operating System loading message(s). This can be done be repeatedly pressing the key (or key combination) once every second (or two) during the POST. Holding the key(s) down the entire time - or pressing them too often will result in an error, and require starting over again.

Once the BIOS screen is presented, you will have to scroll the entire page(s) to find the clock. Most BIOS brands have more than just a single page of settings. Using the the up, down, left, right, PgUp, PgDn & Enter keys - navigate to the clock hours and minutes and adjust as needed. Make sure that you SAVE changes before exiting the BIOS screen. Upon exit, the computer will reboot with your settings.

Your Operating System may also provide a way for you to change the system time (and date) as well. Try clicking on the time / date to see if it will bring up a dialog box that allows you to make the change.

I hope this helps and good luck! If my answer was helpful, please rate it "4 thumbs up" Thanks!

Jul 27, 2011 | Computers & Internet

1 Answer

After turn on my computer I have only three short beep.


Open the cpu cabinet cover.Then reconnect the RAM memory into motherboard. Make sure motherboard is not ground with cabinet cover. Clean dust from motherboard .If there is any pci or vga card reconnect it. Also pull cmos cell from motherboard for 10 minutes then all settings defaults then check. Let me know if you need further assistance. Thanks for using FixYA.

Feb 03, 2011 | Computers & Internet

1 Answer

Mouse and keyboard have no power


If your mouse and keyboard work properly with another computer or laptop the problem could be :
A) if devices are USB :
- defective USB port : chose another USB port;
- USB port inactivated in BIOS : check and activate;
- motherboard defective : replace motherboard.
B) if devices are PS/2 :
- damaged PS/2 ports : buy a PS/2 to USB adapter for your mouse/keyboard or buy USB mouse and keyboard;
- motherboard defective : replace it.

Oct 04, 2009 | Computers & Internet

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