Hi,Gurus My PC does not have warranty any more. I replaced DVD writer, when I booted the machine, monitor indicates no signal. I tried 3 different monitors with the same result. All I hear is the fan spinning. Any help is greatly appreciated.
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Try turning the monitor after the pc is on. I have one monitor that shows that message if it is turned on before the pc is. If that doesn't work then there's 2 things i can think of. One is the cable is damaged, big issue if is integrated, and second the video card. Even if it is integrated you can get a replacement one and disable the first one if it gives you problems.
Does the "broken" PC Beep. How many times ? That's called a post code and different BIOS have different codes.
Check the Beep code based on the PC BIOS (check gateway's site or open the case at your own liability and read the BIOS chip label).
If the POST code indicates video replace the card and disable the integrated video if it's on the motherboard. On some BIOS's 3 beeps is bad video on others it different - you have to find the BIOS's POST sheet.
If it's a normal POST code for that BIOS then..... hmmm dunno - replace the video card anyways ? ;-)
did you replace the motherboard? if you did with a non gateway replacement there is a good chance you will have to re-wire the buttons.
if not, just look for an oddly shaped "gateway" plug that plugs into the receiving socket on the MB. If you dont own a multi meter and soldering iron now is a good time to invest. also get some wire strippers and cutters.
Rear Panel I/O Ports
Front Chassis Fan Connector
Auxiliary 12-V ATX Connector
Serial ATA Interfaces
Front Panel Header
CPU Fan Header
Front USB Connector
Front USB Connector
Standby Power Indicator LED
Front Panel IEEE-1394a Connectors
Floppy Disk Drive Connector
ATX Power Connector
PCI Express x1 Connector
Parallel ATA IDE Interface
Front Panel Audio Connector
Intrusion Switch Header
Rear Chassis Fan Connector
BIOS Configuration Jumper
Try tapping the F8 key while booting the computer, you will get the start up menu, choose safe mode, when you log on, go to the display settings, that is right click on the desktop, properties, screen saver, advanced and make sure that hibernation is off, along with turn off disks or whatever , probably see turn off monitor after XX minutes, I make ours 15 minutes (150 computers and servers), I don't let the disks turn off. Choose always on also, not home/office. Try this and see if these settings help.
Typical problem in most computers, the fan is experiencing a "burn out." This means there is either something caught in the fan causing it to create noise, or the motor is going bad. there are two fixes for this problem.
1) open you computer's case according to its manual and remove the system cooling fan and give it a thorough cleaning.
2) you may need to replace the cooling fan with its recommended replacement model.