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checksum error

Posted on 1998-11-07
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Last Modified: 2010-05-18
i get this error "checksum error" when i first startup my computer, it then resets my bios settings
what is it and how can i fix it?
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Question by:juggernaut
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rmarotta earned 60 total points
ID: 1128591
Most likely cause is a dead CMOS battery that holds the computer's configuration.
Most computers today use a replacable button cell that is clipped in a holder on the motherboard.
Let me know if you need more.
Regards,
Ralph
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by:juggernaut
ID: 1128592
its only 5 months old, how could the battery be dead, could that also cause the computer not to turn on sometimes??
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by:rmarotta
ID: 1128593
juggernaut,
It is possible, but unlikely, for a 5-month-old CMOS battery to be dead.  It won't cause the computer to fail to turn on though.
Tell me about the computer and it's installed components.
(Manufacturer, CPU, RAM, drives, etc.)
Have you recently installed any new hardware or programs?
Ralph

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by:juggernaut
ID: 1128594
ok, i have a 64mb sdram, 2mb diamond stealth 2000 with a 8mb monster 2 card and a awe64 sound card, its a k6 233
thanx
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by:rmarotta
ID: 1128595
When you say the computer won't "turn on", does that mean nothing on the display, or nothing at all happens? (Power LED lights, fans, drives spinning, etc.)
Ralph
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by:juggernaut
ID: 1128596
i can hear the fans turn on and the hdd and the cd rom but nothing else
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by:rmarotta
ID: 1128597
Try this:
Unplug everything except the keyboard and power cord from the computer. (Mouse, speakers, printer, phoneline, etc.)
1) Is it completely dead, or only occasionally?
2) Do the LEDs flash on the keyboard?
3) Any beep or series of beeps from the internal speaker?
Answer these, and if we need to go further, let me know if you are uncomfortable about getting "under the hood".
Ralph

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by:juggernaut
ID: 1128598
i dont recieve any beeps and the keyboard don't beep, i think its the motherboard
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by:rmarotta
ID: 1128599
I wouldn't be too hasty yet.
First, I don't think the keyboard will beep......
But the LEDs on it should flash during power up.
Next, let me know if you are uncomfortable with "getting under the hood" before trying the following:

Open the computer and remove everything from the motherboard except the speaker, CPU, minimum amount of RAM required for your machine, keyboard, and the video card.
That means EVERYTHING! (Modem, soundcard, I/O cards, etc.)
Only cable from power supply used for this test is for the motherboard's power.  Remove all others. (Floppy & hard drives, CD-ROM, etc.)

Power on the computer.  Listen for beeps, watch for LEDs flashing and let me know the results.
Ralph

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