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Motor boating on Compaq Presario 1800 Mboard

My Compaq Presario 1800 stopped powering on at all except for a rattling noise on the floppy that happens the same with power supply OR battery. After a full disassembly, I get this same rattling (that sounds very much like "motor boating" as it is commonly referred to in electronics) when I connect the motherboard with just the tiny PCB that holds the power-on button & other Compaq buttons. Does anyone now of such a problem? Basically, I would like to make sure that such a noise is indeeded abnormal in my test configuration (motherboard with just the buttons PCB plugged). I intend to try to debug the power supply (faulty capacitor) and if that fails, maybe buy a spare motherboard. Any comment is welcome.

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Re: Motor boating on Compaq Presario 1800 Mboard - HP Compaq Motherboard Motherboards

Could be the cpu fan?

Posted on Jun 22, 2007

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Compaq presario Wireless

These are the steps to make compaq presario f500 Wireless WORK!!!!

1.Download (password: kon-boot) Kon-Boot floppy image and extract the zip file to get FD0-konboot-v1.1-2in1.img filef.

2.Download latest version of UNetbootin and install

3. Run UNetbootin, select Diskimage, click the drop down menu to select Floppy and browse for the FD0-konboot-v1.1-2in1.img file.

4. Make sure USB Drive is selected for Type and the drive letter is the USB flash drive that you want to install Kon-Boot. Click OK. It should take a few seconds to finish installing Kon-Boot floppy image into your USB.

5.restart your laptop while the USB is in it.

6.When the compaq logo appears Pres Esc to bring the boot menu.

7.Chose your Flash Memory.

8. then press enter to chose Defult any key when u get the Kryptos Logic image.

10.then wait tell it finish

11.when u see again the Defult menu take the usb out and restart the computer by holding down the power button for 7 sec.

12. boot windows normally you will find the wireless BLUE and ready to work.

This is made By : Mohammed Abdulhadi (AKA) Hackezier Abdulhadi

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on Oct 21, 2010 | HP Compaq Presario F500 F700 and G6000...

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This could be a normal problem that those computers have.

You can look for a reflow technique on google or youtube but
those are usually just temporary fixes

best idea is to change the motherboard buying a new one from ebay

also the new board will probably have the same defect since this is a normal issue with these laptops.

also check this page for more info

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Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

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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
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If the condition is apply for workgroup systems only.

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i dont really say if your mboard will get a damaged..try to change your power plug..if it still not working, you have to open your laptop, so you can find or know if there's some thing wrong...maybe you should have to buy a new one instead of replacing it..coz, if some parts of the motherboard also have damaged, its very hard to fix.. the parts are very small and delicate to fix it..thanks..

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