Having problems with your Dell OptiPlex GX280 PC Desktop ?

Screen Wiggles, CPU Shuts Self Off, Powers Up Very Slowly

\015 I have an Optiplex GX260 (refurb) that has recently exibited the following problems:\015\012\015\0121) The screen on the monitor shifts from full screen to a little smaller than full screen, then switches back and forth. Very annoying when the screen expands and contracts as it appears to wiggle.\015\0122) If the computer is left on without any activity, it has just started to shut itself off. It is not going into a sleep mode where you can move the mouse and it comes back on. You have to press the computer's ON button to get it to boot back up.\015\0123) The computer is powering on very slowly. After it shows the Dell Optiplex screen, it has a black screen with a white cursor blinking in the top left corner until the Windows XP screen comes up. Originally, this screen would only show up for a few seconds before the Windows XP screen appeared. But it has slowed down considerably and sits with the black screen with the white cursor blinking for anywhere from 2 to 10 minutes.before the Windows XP screen appears.\015\012\015\012When the computer was purchased it included an upgraded video card.\015\012\015\012Any help you can give me with these problems is greatly appreciated!\015

Answers :

#1 Sounds like a video card resolution setting problem. This can happen when the settings are too high for the monitor. What size is your monitor?
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\015\012#2 Sounds like hibernation. You can adjust the power settings if you right click your desktop and select "properties" . The select screen saver and then power settings.
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\015\012#3 Sounds like the bios settings have been modified to boot from other places than the hard drive. Make sure nothing is in the computer when you boot like CDs, Floppy disks. When the computer first turns on hit "F2" to enter the bios. Then look for boot order in one of the drop down menus at the top. It will tell you how change the boot order usually on the right hand side ont he screen.
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\015\012I hope some of this helps you.
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\015\012Regards
Hmm... Any errors on the screen?

Could be a power supply. Fluctuations in that can cause power drops, which would be visible in the video card, and if severe enough, cause the PC to shut off. There are 4 screws and one 1 wire holding those in. It would take about 10 minutes to replace and probably cost you $40-$50 in parts.

To have Geeks do it: Probably $100.
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