Monitor keeps flashing when I switch it on

January 28, 2010 at 09:10:51
Specs: Windows XP
I'm using a compaq presario computer. I've had it since November 2006. For the last week or so, everytime I switch my computer on and try switching the monitor on, it flashes and then turns black, the green light on the on/off switch on the monitor also flashes. And the only way it works is if I keep switching the monitor on and off for a few minutes. Whats wrong with it? Also, when I switch off my computer, it stays frozen on 'turning your computer off...' and doesnt do anything, so then I have to press the power button on the tower or pull the plug out from the back of the tower to make it switch off. PLEASE HELP!!

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#1
January 28, 2010 at 15:18:42
Hi -F-
Its not uncommon for electrolytic capacitors to fail in monitors whether they are the crt or lcd type. To be honest, the cost of repair will be close to the cost of a new one! Try another monitor to confirm it is at fault.
As far as the freezing at shut down, do you have SP3 installed? This was a known problem with XP and there was a fix for it from Microsoft. The fix now seems to be installing SP3.
http://support.microsoft.com/kb/307274
It could also be that Windows is clearing the page file at shutdown, This will make shutdown take ages to complete. To disable it, follow instructions here, but be careful you will be modifying the registry!
http://www.recipester.org/Recipe:Di...
Also its very important to defragment the drive. Do this by opening My Computer, right click on 'C' drive, select Properties, then select tools. Defragment button will be seen here. Its also worth running Disk Check.

Computers... designed to entertain,help with work but most of all to frustrate you!


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#2
January 28, 2010 at 15:27:18
Hi, thanks for the reply.

What will defragmenting the C drive achieve?

Also, how do I run a disk check?


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#3
January 28, 2010 at 20:08:31
Here are a few things you can try:

1) Make sure all cords, both VGA signal and the power cord,
are secured at both ends. A loose cord (especially power)
could cause some irregularities.
2) If you are using a power strip, plug right into the wall in
case you have a dying power strip. Again an unstable power
supply causes all sorts of problems
3) Try a different monitor with the same computer
4) Try the same monitor with a different computer

Let us know which steps you try and what the results were.
http://bit.ly/2HpXrX


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Related Solutions

#4
February 8, 2010 at 15:33:55
When any information is written to the drive it is rarely written
in one place, it ends up being scattered across the drive, it
becomes fragmented. To read the file, the computer has to
find all the bits of it, this takes time. Defragmenting the drive
helps to put all these pieces together in one place often giving
dramatic increase in speed. Disk check will check the drive
for errors and if selected, system file errors. To get to both
of these tools, open My Computer, right click the drive you
want to defrag or check, select properties then the tools tab.
You will see the items I mentioned in that window. Disk check
may ask you if you want to schedule a check at next boot. If
you allow this don't interrupt the check when you next boot up
once it has started! This wont cure the monitor problem but
may help the slow shutdown.
Did you try another monitor on this computer?

Computers... designed to entertain,help with work but most of all to frustrate you!


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#5
February 8, 2010 at 16:35:25
For the shut-down issue consider uphclean from MS:-

http://www.microsoft.com/downloads/...

some other bloke...


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