What is the reason why the computer starts up with three long rings, and the computer starts up with

This is when your computer "lost" or "mistakenly deleted" the "System Files", or the "System Files" was sick.

Poison and "stubborn" Trojan "sabotage".

Note: Friends who have installed "360 Security Guard", directly open the "Trojan Cloud Scan", click: Quick Scan, after the scan is over, there is: No problem, please use the 360 First Aid Kit, click on it! ）

1) Click: "Start First Aid" to detect and kill the virus, and after deleting, "Restart immediately"!

2) After rebooting the computer, click "File Recovery", select all, click: "Delete files completely" and "Yes".

Suspicious self-startup item"!

3) Then click "System Repair", "Select All", and then "Repair Now" file!

4) Click on it again: "DLL File Recovery", scan it, if not, it's OK, if there is a loss, add.

Add Recovery, add manually, restore instantly!

5) Tap "Network Repair" and "Start Repair" to restart your computer! (Fix as appropriate).

2。Use "360 Security Guard" in "System Repair", click on "Use 360 Security** Navigation", and again.

Select All", "One-Click Repair", "Return"!

3。Use "360 Security Guard" to "Scan Plugins" and then "Clean Plugins" to remove it!

4。Then use "360 Antivirus Dual Engine Edition", check "Automatically process scanned virus threats", and use "Whole.

Scan" and "Custom Scan", scan out the virus Trojan, and then click Delete!

After restarting the computer, go to "Quarantine" and click "Delete completely"!

5。Use 360 Security Guard's "Trojan Cloud Scanning" to scan the whole disk, and then "customize the scan" after completion!

Sweep out Trojan horses or malicious virus programs and delete them!

After restarting the computer, go to "Quarantine" and click "Delete completely"!

6。If it still doesn't work, try: "Kingsoft First Aid Kit" extended scanning and "Kingsoft Net Shield", one-click repair.

Complex! Or: KeNiu Free Antivirus, Browser Doctor, Browser Repair, Scan Now, Fix Now!

7。No more, restart the computer, after booting, press F8, press Enter, Enter, enter into "Safe Mode", "Advanced Boot Options", "Last Correct Configuration", press to try it, see the effect!

8。It's really not good, do a "one-click restore" system!

When the computer is turned on, it rings one long and three short is:

Memory error. 1.The memory is not plugged in tightly. Plug it in. Reinsert it. Just plug it in and you're good to go.

2.If the memory is damaged, it can be replaced.

Depending on your situation. The boot display is not lit up (the system should be able to operate normally).It should be that the graphics card is not plugged in tightly. Plug it in. Reinsert it. Just plug it in and you're good to go. (But you need to wipe the gold finger of the graphics card clean).

A short sound of three sounds is not necessarily a matter of memory sticks, graphics card, power supply problems can lead to this phenomenon, now computer accessories, variety, thousands of differences, the previous way of listening to the fault is sometimes difficult to work, some time ago a friend's computer is like this, it is recommended to try the coms battery discharge!