Originally Posted by JetPlaneFlyer
This is a good piece of advice which i will follow in the future.. i just ran H2testw on my eBay generic microSd card.. here's the report:
The media is likely to be defective.
1.8 GByte OK (3825600 sectors)
13.3 GByte DATA LOST (28067904 sectors)
Details:1 MByte overwritten (2048 sectors)
0 KByte slightly changed (< 8 bit/sector, 0 sectors)
13.3 GByte corrupted (28065856 sectors)
1 MByte aliased memory (2048 sectors)
First error at offset: 0x0000000074bf8000
H2testw version 1.3
Writing speed: 2.16 MByte/s
Reading speed: 8.34 MByte/s
so the only surprise is how i was ever getting any good videos
Every new card should always
be first tested with H2testw. If the card doesn't pass the test it should be returned for replacement/refund.
Testing with H2testw has been recommended many times in this, admittedly very long, thread.
Also, like Tom says, avoid generic memory cards at all costs. They are never
worth it. Always keep to known brands like SanDisk, Kingston or Transcend.