Whenever I turn on my computer, the monitor goes straight to "going to sleep" mode. I've checked all the cables, on the inside too, and gave it a dusting, but no changes. Nothing seemed to be loose, but i'm not a pro. The computer is around 5 years old. Please help!!!
PC not sending info to monitor
- Thread starter laganfly
- Start date
T_T
Splendid
- Jan 13, 2010
- 2,483
- 4
- 21,415
Here are a few things to check:
1. Remove all of your RAM moduels. Reinstall one module like this:
[CPU] | _ _ _
[CPU] _ | _ _
[CPU] _ _ | _
[CPU] _ _ _ |
If no changes, repeat with another module until you've used them all.
2. Try replacing the VGA/DVI cable. If using an adapter, acquire the correct cable to connect monitor directly to video card/motherboard.
3. If you're using a video card, try connecting to the motherboard. If you don't have integrated graphics, see if you can borrow someone else's video card (PCI-E is forward and backward compatible, so don't worry about compatibility).
4. See if you can find a digital multimeter to test your Power Supply Unit (PSU) at the P1 connector. This is the 20/24-pin connector. Alternatively, see if you can borrow a PSU from a friends computer.
You can find out how to test the P1 and other troubleshooting tips by clicking on the link in my signature.
1. Remove all of your RAM moduels. Reinstall one module like this:
[CPU] | _ _ _
[CPU] _ | _ _
[CPU] _ _ | _
[CPU] _ _ _ |
If no changes, repeat with another module until you've used them all.
2. Try replacing the VGA/DVI cable. If using an adapter, acquire the correct cable to connect monitor directly to video card/motherboard.
3. If you're using a video card, try connecting to the motherboard. If you don't have integrated graphics, see if you can borrow someone else's video card (PCI-E is forward and backward compatible, so don't worry about compatibility).
4. See if you can find a digital multimeter to test your Power Supply Unit (PSU) at the P1 connector. This is the 20/24-pin connector. Alternatively, see if you can borrow a PSU from a friends computer.
You can find out how to test the P1 and other troubleshooting tips by clicking on the link in my signature.
C12Friedman
Glorious
- Jan 25, 2012
- 8,966
- 1
- 46,965
PopaTim's question is very pertinent - give what T-T suggests a try. If nothing still and this is a pre-built unit, try replacing the CMOS battery. For some unfathomable (to me) reason, many pre-builts will not operate properly once the CMOS battery starts to die. It's an easy and inexpensive 'fix' if that is the issue. I might also suggest looking at the capacitors on your motherboard for any signs of swelling or leaking which would indicate they have gone bad
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