4. Host switching power supply mains plug is loose, poor contact, is not fully seated Solution: Replace the power cord of quality 3C certification. |
5. The motherboard power ATX20 socket Weld, and poor contact Solution: ? If the motherboard solder joints Weld, direct electric iron patching can. Note: soldering on the motherboard, hard drive, graphics cards and other computer boards, Dell tc030 battery to well grounded soldering iron, or disconnect the power plug welding. ? If the power problem, it is best to replace a good power.
6. CPU problem The CPU internal part of the functional circuit damage, secondary cache is damaged, the computer can start, or even into the normal desktop for normal operation, but when a special function will restart or crash, picturesque table, play VCD play games. Solution: Try to shield the CMOS secondary cache (L2) or a cache (L1), to see whether the host is able to operate normally; no longer is a direct replacement exclude good CPU. Masked normal operation, or can make do with use, although slow, Dell tk330 battery but after all, save money.
7. Memory Problems Memory on a chip does not completely damaged, most likely by the self-test (After all, most of them set POST), but the runtime will heat large because the memory caused accidentally restart function failure. Opportunity to open most of the time when memory corruption police, but not alarm memory corruption without electrical faults are still there. Best to use the process of elimination, to quickly determine the fault position.In another case, Dell u011c battery because of the The insulation displacement of the the RESET switch leads chassis welding excessive, plus several unboxing process will cause a The RESET switch line too close and caused the collision, causing the host to automatically restart.
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