OptiPlex GX270 PC Desktop: The previous tech who worked on this machine someh...

Try disabling on board video card in BIOS.

Contact Dell at www.support.dell.com

Try to set the BIOS to Default.
Hope this may Solve.

Have the drivers for the integrated audio within the Optiplex GX270 been reinstalled.
And then your problem will be fixed.

Please rate me if this solution works for you

Thanks......Have a great time.

For the Dell Optiplex GX270, you will utilize the Windows operating system default optical driver files.

Just physically connect your device and reboot your machine, the OS will pickup and automaticlly configure your device.

Hmm. This appears to be driver related?

it is the problem of resolution use higher graphic end monitor lower down to the resolution like 1024x786 pixels and then connect it to your Dell OptiPlex GX270 PC Desktop

Motherboard failure

Likely a capacitor failure on the motherboard

Hi

OptiPlex GX270 can be small form-factor, small desktop or small mini-tower. The DIMM slots and therefore maximum memroy capacity depends on the form factor. Double check our OptiPlex GX270 and find memory info below.

Memory Type
333MHz (PC2700) or 400MHz (PC3200) DDR SDRAM

Memory connectors/DIMM Slots
small form-factor: 2
small desktop: 4
small mini-tower: 4

Memory capacities Supported
128MB, 256MB, 512MB, or 1GB non-ECC

Minimum memory
128 MB

Maximum memory
small form-factor: 2 GB
small desktop: 4 GB
small mini-tower: 4 GB

Mike

I've heard that Dell will still honor the warranty if you mention the capacitors to them. They haven't recalled them, but they know it is a known problem.