When i boot up my PC the picture on my display is kind of zig zag and can move across the screen, restarting the machine normally three to four times solves the problem although the system still seems slugish at times.
I am an IT graduate and first assumed the problem may be related to my PSU which was a 550W Ultra PSU (I knew my system was pushing it to near its maximum as all online PSU calculators give me an average of 530W needed for my system although this is with everything on the system being fully stressed which it never is).
I decided to buy a new 880W Hiper PSU but I still have the same problem. I have purchased a socket tester and a PSU tester to try and source the problem but both always return normal results and say everthing is ok.
I have also played plenty of new(ish) games with all settings on max and the games play smoothly which makes me think that the graphics card is ok. BTW my Graphics Card is a His ATI X1950XTX which I know draws an awful lot of power but my PSU wshould be able to handle it seeing as two cheaper lower wattage PSU's handled it fine, even using molex to PCI-E converters.
I have run Memtest to test the memory (although I was sure this couldn't be the culprit) which is also good.
The only other hardware I have in my system is a Hard Drive and 4 Optical Drives which couldn't be the culprit.
I was just wondering if anyone has ever experienced this problem and could possibly enlighten me as to what the problem is?
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Try booting in safe mode with networking (press and hold F8) after pressing power button. Once in safe mode check display drivers are up to date, and try again.
Another way to check might be using any linux bootable CD. TO do this, download any liveCD image of any flavor of Linux, burn on a CD and boot off of it from this laptop. If the same thing happens, then its a hardware issue
Shut down your laptop and try pressing the center of the keybord just center of your screen firmly gently and then start the system if its ok the display comes back you are having problem with the heat sensor of the display card and not coooling properly .so loosing the display.
BUT if you mean there is a cursor blinking on the screen and dosent have display then your boot devices are configured improperly and so its searching for boot device .
also it happens when usb boot is enable in the bios and any usb device is connnected like flash or usb hard drive try to remove them and restart the pc.
Sounds like you have power saver turned on. Go into "display properties" under "control panel". Go to "screen saver" Check your "Power" settings. Un-check "Hibernate" or look and see power settings are and adjust accordingly. If they are all turned off, check your BIOS settings on your PC. It mights have a power saving feature in there.
get a hirens boot disk. that will fix ya right up. boot from the disk. choose either option boot windows xp mini or from boot disk. do not choose the option boot from hard drive or you will get no-where.
resart in safe mode by tapping the f8 key as the computer starts , before it says "starting windows"
once in safe mode navigate to the controll panel, select DISPLAY, click the settings tab at the top, In the screen resolution box , set it to a lower setting , restart, if it works , save the setting and your done . If it doesnt, go back to display settings and change it to a lower setting and restart. you could also back the color quality to 16bit in the same place and this might help in some cases.
That is the boot image that is displayed over the POST test. when an error is detected on boot it is supposed to clear that image and display the problem it found.
If it does not clear on its own you can try pressing ESC and post here what it says.
if nothing happens at all pressing any key, then it is most likely found a problem that locked it up tight, such problems can be the CPU or a motherboard controller. Problems like that dont get much worse and can involve replacement of the motherboard, not for the faint of heart and quite expensive.
Let me know if ESC does anything or if there is any other text on the screen AT ALL.
If the images you are capturing are hazy with zig zag colors etc...the imaging IC is faulty.If the problem in Display unit only but the captured image is OK when you transfer the same to PC..then LCD may be having problems.
We can help you in spares of Sony and we can also offer the service manual.
Kindly let me know after your examination.