Prestigio VISCONTE 1300 Technical & Service Manual page 81

Prestigio Visconte 1300
6.2 VGA controller failure
Symptom: There is no display or distortion on both LCD and Monitor although
Power-On-Self-Test is passed
VGA Controller Failure
Try reinstall VGA driver in Windows XP
Yes
Retest ok??
No
Screen distortion?
Yes
Detect Display
Adapter?
Yes
No
Check Memory
Size
Yes
Correct it
No
1,Replace VGA BD Firstly
2,If ineffectually, Then Replace
Motherboard
No
Replace Motherboard
Replace Motherboard
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TECHNICAL SERVICE MANUAL
Correct it