Monitor doesn't come on unless I clear CMOS

[Alexyboy]

I just built the following system...


GAINWARD 8800ULTRA 768MB 8576
ABIT IN9 32X-MAX s775 nF680i
Corsair TwinX 2GB DDR2 6400 C4
Intel Q6600 Quadcore CPU
XCLIO WINDTUNNEL BLK CASE NPSU
500Gb Seagate SATA2
LiteOn LH-20A1S-15C SATA BLACK
CLabs SBS 560 5.1 Speakers
MS Win Vista Home Prem 32Bit
CORSAIR HX 620W MODULAR PSU

when I first turned it on the screen did not receive a signal. After poking about on the net on my old pc I found that reseting the bios could work. So I flicked the EZ-CMOS1 up and down and low and behold It worked. The only this is I have to do this every single time I restart the PC? It also complains about the CMOS checksum or something. This is my first build so any sugestion will help

(sorry about the appaling spelling; I can not locate my copy of Office so don't have a spell checker)

[Jimmy0]

Try the out of case build which has instructions located here: http://forum.pcmech.com/showthread.php?t=168456

When doing this you must remove the motherboard from the case.

[Alexyboy]

OK I just noticed something in the start up... when It complains about the Checksum thingy it says the memory speed is 533MHz, the Ram (this) I bought is ment to run at 800MHz, could this be the source of the problem?

[Alexyboy]

Solved faulty CMOS battery