Having problems with your Compaq Presario S4000NX (DF213AR) PC Desktop ?

Trying to locate a service/user manual for the motherboard

\015 My computer had a check sum error come on and then the computer would not function properly. I found that the Bios Battery was no good (measured @ 0.3Volts). So, I replaced it with a new Lithium 3V battery and turned on the computer and now the monitor shows nothing on the screen and the computer powers up and there appears to be no activity going to the monitor. The screen is blank not because there is no signal, but; if I remove the VGA connector than I get a "no signal" message on the display. Once I reconnect the VGA connector than the screen goes blank again. I feel I need to reset the bios and do a full system restore. But, I do not know which jumper on the board allows for me to reset the bios and what procedures I need to follow once I have successfully reset the bios to get the computer back to normal again.\015\012\015\012I don't know what number is for the mother board, but here is more details: 2.4Ghz Intel Celeron processor with the Intel FW82801DB (SL6DM) chip, 1024MB DDR SDRAM memory, 40GB HDD.\015\012\015\012Please help!\015

Answers :

Remove the onboard battery out for about 30\015\012minutes, this will cause the bios to go back to the default settings!
\015\012Or look on the board for CMOS RAM clear.
\015\012Pins 1 & 2 are normal mode and pins 2 & 3 will Clear the BIOS.
Here is some info from Compaq.
Repair Help & Product Troubleshooting for Compaq Presario S4000NX (DF213AR) PC Desktop

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