Question about Computers & Internet
Not sure what her (my Mom)computer is besides being a Compaq Presario and the monitor came with the computer. But never had a problem then one day the left side of screen is dark. What is wrong LED does not blow out like other lights.
You're correct, LED's do not blow out like other lights, but they do go bad. It sounds like the left side LED has burned out.
You can try to hook it up to another computer and see if it does the same thing. If it's still dark, the moniitor needs to be replaced.
If it works on a different computer, reconnect it to your Moms computer and make sure that it is securely fastened to the video connector on the Motherboard, or Video Card if one has been installed. Also, check to see if it securely attached to the back of the monitor.
Hope this helps,
Posted on Jul 10, 2013
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Posted on Jan 02, 2017
If the laptop posts: (power on self test) and you see stuff on the screen, no matter how short ,do the following:
if you have a bootable anti virus disc use it to check for any viruses , if not
try a recovery disc,
both will try to access the hard drive.
if they do not work,(nothing has changed) nothing comes on the screen.
laptop does not post:
remove the screw(s) holding the cover plate where the ram lives
remove the memory sticks, clean the gold edges with a pencil eraser both sides and re-insert them, (not an ink eraser as it will do damage)
swap them around if you have more than one,
if you only have one, borrow one from a friend or try the ram in your friends laptop ,if that's possible, or take the ram to your local pc shop and ask them to check it for you (they may or may not do that for you)
if you can establish that the ram is ok, and anti virus and recovery disc's do not work,then it is most likely, the motherboard has failed .
good luck with that and let me know how you get on.
Posted on Mar 29, 2008
nothing to do with the ram ... this motherboard sometimes locks, ( dont ask me why) but if you take out the power cord for 5-10 minutes and then press and hold the front power button on the machine (about 10 seconds) it will reset the board. Plug in the power cord and the basic items, sound, video etc ( some usb devices tend to stop it booting to) boot into windows. Then add the rest of your usb devices ..
Posted on Dec 01, 2008
did u replace the video card with the same kind of model ? i guess yes ... when system starts hit the f8 key and than go in to safe mode ... mouse wont work so use arrow on the keyboard .. and in the safe mode just log in to admin account if available or login to ur account and see if that still happens .. and if it doesnt ... remove the drivers for the graphic card from add and remove programs and restart the system and go in the normal mode and than install the drivers again ... and if the display disappears in the safe mode or u have install a different graphic card than ... reseat the memory cards and that should resolve the issue .... if that doesnt work out when the system starts hit f1 and stay on the BIOS screen for 30 mins if the system doesnt loose display than u need to reinstall OS ... that will surely work out ... the resolutions given above if u follow them correctly u will have a working system in no time
Posted on Feb 07, 2009
SOURCE: Black Screen Compaq Presario
Do you see the BIOS splash screen or anything?
Try booting into safe mode by pressing F* as soon as you power on the computer. If the monitor works, then it is a bad driver. Roll back to a previous restore point, boot to last known good coonfiguration. Last Known good configuration is available from the same as the safe mode screen.
If this is helpful, please comment and rate. Have any other questions, please let me know.
Posted on Feb 12, 2010
No, I would approach it a different way, with the diagnostic LED's that are blinking.
Indication is that the Power Supply has a weak Voltage power rail. If you test the 12 Volt power rail, I think you'll find it's less than 11 Volts.
(11 to 13 is okay. Less than 11 requires a Power Supply replacement)
You can test with an economical multimeter, (Usually $5 to $12), or an economical power supply tester.
One example, http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=5250576&CatId=5471
Or, you can substitute the power supply in the computer now, with a KNOWN to be Good, Compatible power supply, for a test unit.
1) Right size and shape of case. The cas is approximately 6 inches Long, 6 inches Wide, and 3-1/2 inches Tall.
It is an ATX style of Power Supply.
2.Has the correct power cables, and the correct amount of power cables. If there are more power cables than needed, they are tied up out of the way with zip ties ]
May sound a little far fetched, but I have known people to have computers with a KNOWN to be good Power Supply, that are sitting around, and no longer being used. The Power Supply is borrowed for a test unit.
Generally, the cause of computer failure can be attributed to the inside of the computer, and the inside of the Power Supply is dirty.
The Power Supply has two cooling components.
One being the Fan, the other are Heatsink's used inside the Power Supply.
Once the cooling components are coated with gunk, the cooling capacity drops tremendously.
Heat = Wasted Energy
The more heat, the more the Power Supply strains to keep up with the call for power.
Eventually components inside the Power Supply fail, and the Power Supply fails.
The second cause of Power Supply failure is that it is a low quality unit, and low quality components are used inside.
Next are Power Surges, lightning strikes, and brownouts.
I believe you'll find you have a bad Power Supply.
If you wish to test it with a multimeter simply state in a Comment.
(Upper right of your page)
If you wish help in finding a replacement unit, also let me know.
Posted on Jun 29, 2010
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